Analysis Overview
SHA256
76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4
Threat Level: Known bad
The file 76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4 was found to be: Known bad.
Malicious Activity Summary
Floxif, Floodfix
Modifies visiblity of hidden/system files in Explorer
Detects Floxif payload
Event Triggered Execution: AppInit DLLs
Executes dropped EXE
Loads dropped DLL
ACProtect 1.3x - 1.4x DLL software
UPX packed file
Adds Run key to start application
Enumerates connected drives
Indicator Removal: File Deletion
Drops file in System32 directory
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-18 22:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-08-18 22:26
Reported
2024-08-18 22:28
Platform
win7-20240704-en
Max time kernel
150s
Max time network
70s
Command Line
Signatures
Floxif, Floodfix
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\svchost.exe | N/A |
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Event Triggered Execution: AppInit DLLs
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Loads dropped DLL
UPX packed file
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\svchost.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll | \??\c:\windows\resources\svchost.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp | \??\c:\windows\resources\svchost.exe | N/A |
| File created | \??\c:\progra~1\common~1\system\symsrv.dll.000 | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File created | C:\Program Files\Common Files\System\symsrv.dll | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\resources\themes\explorer.exe | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| File opened for modification | \??\c:\windows\resources\spoolsv.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\resources\svchost.exe | \??\c:\windows\resources\spoolsv.exe | N/A |
| File opened for modification | C:\Windows\Resources\tjud.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | C:\Windows\Resources\Themes\icsys.icn.exe | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
"C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe"
\??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
C:\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp" /SL5="$301E0,1015498,54272,c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe "
C:\Windows\Resources\Themes\icsys.icn.exe
C:\Windows\Resources\Themes\icsys.icn.exe
\??\c:\windows\resources\themes\explorer.exe
c:\windows\resources\themes\explorer.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe SE
\??\c:\windows\resources\svchost.exe
c:\windows\resources\svchost.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe PR
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c rd /S /Q "C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c del /F /Q "C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp"
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:28 /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:29 /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 22:30 /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 5isohu.com | udp |
| US | 8.8.8.8:53 | www.aieov.com | udp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
| US | 72.14.178.174:80 | www.aieov.com | tcp |
Files
memory/2556-0-0x0000000000400000-0x000000000041F000-memory.dmp
\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/2556-4-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2556-9-0x0000000000403000-0x0000000000407000-memory.dmp
\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
| MD5 | 444da3f8133223df68b5685a942ee084 |
| SHA1 | eb6a216bf3056e9e181dc4366232463dcf1495e5 |
| SHA256 | 7621fc1b27c2964d4ab8e67faf9e3ed375efa3c8deaab3e01182585f24822c1a |
| SHA512 | ec624dd91db412f06ef34632ace4ed6b78a1013a2fb5073e3caa2a4ac92542ec8551a345155c46686c01e123ab2a2e7f8626f283b644e388d32bbc8c0e5f12e9 |
memory/2780-21-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-22-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2780-25-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-2U26K.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp
| MD5 | 67c5a4f36e1c91a3b85e440edd7ad026 |
| SHA1 | e49ea0e558ed682498cc61b3070e4c402fbf0912 |
| SHA256 | 99c299d6565ab53d9af66e0146737dc0ecfbc52ecf4740825b552db0cc4210c6 |
| SHA512 | 40522d4645ece0db9888ea40d1a11356aa5efc191184a0b97cb54a6c243532b1fc306e9095bbfa1f5dc02c8e52b709650230d1383532136e56caea3dc19a973e |
\Windows\Resources\Themes\icsys.icn.exe
| MD5 | a4aa751084372d306df437d5d1ece013 |
| SHA1 | b820f075c50305dcbc16edd54885c9544cb7f7ef |
| SHA256 | b8667fb3f8f8d09eb242e13e33ab762e4c5e06a47e1d16a7af52b209b6927606 |
| SHA512 | 59d1ce6fb6a0eb61615427c0ea88284c7975f4402fce2fc47f154ec8d085d5ab2149e42ea2162a7032a9ec6a5431028746d5b186acdd54d4bfe94d978e4894a7 |
memory/2764-40-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2764-39-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2760-36-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2760-45-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/2556-34-0x0000000000420000-0x000000000043F000-memory.dmp
\Windows\Resources\Themes\explorer.exe
| MD5 | 0fac4c232db38fe4a6f0aa8a26956d61 |
| SHA1 | a38767765ac3be3879304a4e8161a840c45fdcc0 |
| SHA256 | 045134b0205c62e0e83a37e9876a5e271cc2060cada7ec1aa150a83a0a800b88 |
| SHA512 | e94858b2b462ce12a2b2247d463aa10d554b96c50b25a1e73703ecd0aaeb52b0a09bebd060d2a4b4d620da2d1a92f6dc92bd00297233631245e94c932962f189 |
memory/2556-56-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2764-53-0x00000000004A0000-0x00000000004BF000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-B9IGP.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
memory/2808-62-0x0000000010000000-0x0000000010030000-memory.dmp
\Windows\Resources\spoolsv.exe
| MD5 | da95ec9cd0a58ed85c876f1cfa2ecb74 |
| SHA1 | 95b4f831f1560817af1942a49092c4933b330fc3 |
| SHA256 | c572c1d80724921e80cac285e26557659d18928b0f1845cfefabfff6eb9ab902 |
| SHA512 | 138f35fa41e340dfca7a10f1c6b21865c795ebda889247a946d5f0b7d813f6ec0f1caef59a420110ce065e598cca76262a4f01e57ede3bb6d60353edbbc66a60 |
memory/2780-71-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2760-78-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1148-79-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1148-86-0x00000000003D0000-0x00000000003EF000-memory.dmp
\Windows\Resources\svchost.exe
| MD5 | c08e825516d301ed3ce29fc7ced42c7c |
| SHA1 | 53201e08b4dbbf142d82362c7d4f64159bff0ccf |
| SHA256 | 8efd77b30a365169d23d2c8ffa95887b5aeb5f1c4c5bd39e961b934f01e88a08 |
| SHA512 | 57b39a43c6b8a8f827c071f812d27d2582c18f9fedbb91a7d4d9fc6a4078256b234d9b654bc64c00fc20808afd211ecbee21374fc146daf04b1a47e05a778dba |
memory/3032-91-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2764-89-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3032-99-0x0000000000420000-0x000000000043F000-memory.dmp
memory/2760-98-0x0000000000400000-0x00000000004BC000-memory.dmp
\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp
| MD5 | 504f89f5c09cfaaf3751e130fe9e20aa |
| SHA1 | 4a120dc2d591073209d3e1a76402a21c498d4831 |
| SHA256 | 34d36fe54d94dde89e76a1cb236474de336fe9ce2d01bd26bfa765ee9a50733f |
| SHA512 | d88944394a1d94d6245201396dcdfbe6af6c5fe030b053f7dfb3cc3a65e9793e43ef994769352d3c784c74ddeb1c52c3ee0c3e0c8991f359cdbdd1c6b9b806c9 |
memory/2008-114-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2008-113-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2808-109-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2008-111-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1148-117-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1148-118-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2536-121-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2340-120-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2536-124-0x0000000010000000-0x0000000010030000-memory.dmp
memory/812-126-0x0000000010000000-0x0000000010030000-memory.dmp
memory/812-127-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2764-132-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2556-131-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2764-130-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2556-129-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3032-136-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-138-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2760-140-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2808-141-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3032-142-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-146-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-154-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-162-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-168-0x0000000010000000-0x0000000010030000-memory.dmp
C:\PROGRA~1\COMMON~1\System\symsrv.dll.000
| MD5 | 1130c911bf5db4b8f7cf9b6f4b457623 |
| SHA1 | 48e734c4bc1a8b5399bff4954e54b268bde9d54c |
| SHA256 | eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1 |
| SHA512 | 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0 |
memory/2780-176-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1600-182-0x0000000010000000-0x0000000010030000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\A1D26E2\B0E8B549FC.tmp
| MD5 | b01ce76e3e3a4f73172433611a0b2bb5 |
| SHA1 | 5e0cd078efc80b149b7bf67976a02140e38fe6a6 |
| SHA256 | 092afbb958322166c1a631c14e36b2a8bf1c91084e4b186cdf6f04a64a374c97 |
| SHA512 | 15977de613ff07a4ac90278735fe2f06d78c0a6b988b2dfb6a5369c584e446a15fcfdee114a633f575490d0cd6257cc9c6a23e6bbe89b59d3fdf00a39bcdd926 |
memory/1600-185-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2780-189-0x0000000010000000-0x0000000010030000-memory.dmp
memory/2808-190-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3032-195-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3032-196-0x0000000000420000-0x000000000043F000-memory.dmp
memory/1048-228-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1048-230-0x0000000010000000-0x0000000010030000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-18 22:26
Reported
2024-08-18 22:28
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Floxif, Floodfix
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\resources\svchost.exe | N/A |
Detects Floxif payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ACProtect 1.3x - 1.4x DLL software
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-J1EHT.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" | \??\c:\windows\resources\svchost.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\explorer.exe | \??\c:\windows\resources\svchost.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Common Files\System\symsrv.dll | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File created | C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Resources\Themes\icsys.icn.exe | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| File opened for modification | \??\c:\windows\resources\themes\explorer.exe | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| File opened for modification | \??\c:\windows\resources\spoolsv.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\resources\svchost.exe | \??\c:\windows\resources\spoolsv.exe | N/A |
| File opened for modification | C:\Windows\Resources\tjud.exe | \??\c:\windows\resources\themes\explorer.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\is-J1EHT.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\themes\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\resources\spoolsv.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | C:\Windows\Resources\Themes\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\themes\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\resources\spoolsv.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
"C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe"
\??\c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
C:\Users\Admin\AppData\Local\Temp\is-J1EHT.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-J1EHT.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp" /SL5="$70288,1015498,54272,c:\users\admin\appdata\local\temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe "
C:\Windows\Resources\Themes\icsys.icn.exe
C:\Windows\Resources\Themes\icsys.icn.exe
\??\c:\windows\resources\themes\explorer.exe
c:\windows\resources\themes\explorer.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe SE
\??\c:\windows\resources\svchost.exe
c:\windows\resources\svchost.exe
\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe PR
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1356-0-0x0000000000400000-0x000000000041F000-memory.dmp
C:\Program Files\Common Files\System\symsrv.dll
| MD5 | 7574cf2c64f35161ab1292e2f532aabf |
| SHA1 | 14ba3fa927a06224dfe587014299e834def4644f |
| SHA256 | de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085 |
| SHA512 | 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab |
memory/1356-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1356-10-0x0000000000403000-0x0000000000407000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.exe
| MD5 | 444da3f8133223df68b5685a942ee084 |
| SHA1 | eb6a216bf3056e9e181dc4366232463dcf1495e5 |
| SHA256 | 7621fc1b27c2964d4ab8e67faf9e3ed375efa3c8deaab3e01182585f24822c1a |
| SHA512 | ec624dd91db412f06ef34632ace4ed6b78a1013a2fb5073e3caa2a4ac92542ec8551a345155c46686c01e123ab2a2e7f8626f283b644e388d32bbc8c0e5f12e9 |
memory/4700-21-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4700-19-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-J1EHT.tmp\76224150e1dbfe00d6ee20eb978de60aec73d23ff238be329d2374107895aff4.tmp
| MD5 | 67c5a4f36e1c91a3b85e440edd7ad026 |
| SHA1 | e49ea0e558ed682498cc61b3070e4c402fbf0912 |
| SHA256 | 99c299d6565ab53d9af66e0146737dc0ecfbc52ecf4740825b552db0cc4210c6 |
| SHA512 | 40522d4645ece0db9888ea40d1a11356aa5efc191184a0b97cb54a6c243532b1fc306e9095bbfa1f5dc02c8e52b709650230d1383532136e56caea3dc19a973e |
C:\Windows\Resources\Themes\icsys.icn.exe
| MD5 | a4aa751084372d306df437d5d1ece013 |
| SHA1 | b820f075c50305dcbc16edd54885c9544cb7f7ef |
| SHA256 | b8667fb3f8f8d09eb242e13e33ab762e4c5e06a47e1d16a7af52b209b6927606 |
| SHA512 | 59d1ce6fb6a0eb61615427c0ea88284c7975f4402fce2fc47f154ec8d085d5ab2149e42ea2162a7032a9ec6a5431028746d5b186acdd54d4bfe94d978e4894a7 |
memory/4764-29-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1416-38-0x0000000000400000-0x00000000004BC000-memory.dmp
C:\Windows\Resources\Themes\explorer.exe
| MD5 | 297c78dea42f4040617200cce5e9bea1 |
| SHA1 | aba1c51fa8dd8b6e339131ca557065c31eb2e26e |
| SHA256 | 6b700ef55b420969101d523ee44907b08d8630a71727e8283dbd360412ea8c4a |
| SHA512 | ab1a4ebbc4d5416b73a85d97b01c1dda212c3a04d2e1b774aa7b695bd5d56194d7501a991f7b28e3fcf375510d6f9cf9e742e5edd8bd10a7090e9b230ef3b8c9 |
memory/1972-43-0x0000000000400000-0x000000000041F000-memory.dmp
C:\Windows\Resources\spoolsv.exe
| MD5 | b96c699176d1e68f64f153bd68426619 |
| SHA1 | e779d825f1f553006c559623939d1a39dd16a18c |
| SHA256 | f52f1eb98960d07dd9dc78bcf2c697821ce897b7ca07fd4a9b4f309880bab6c4 |
| SHA512 | a2840f43e503e21559d73d1eaf910829261da8e25a1740efd323fad7c561724394b739cf163db120580c9ee3765989fbbc7e9b69bcc28f693a32e54d6b472459 |
C:\Program Files (x86)\Common Files\Microsoft Shared\ink\tiptsf.dll.tmp
| MD5 | 05ccc7e34a8339319895350d97904b5e |
| SHA1 | 787ed230ad88dbb6813aab8d44191555230b8b6a |
| SHA256 | ae94fed63d7fd3c29cb38f91c2dbf8979c6a4d9b42fa6010d036ba8c8d2a51c4 |
| SHA512 | 5c554d992dddeed3e8af7f177ae7803dbdaa7b941453fc3497260d303339b0b477494d92ea94fcdc5e3fe4cc7397b5c94199353c306449b6e3e3ebc894e97512 |
C:\Windows\Resources\svchost.exe
| MD5 | 3509dce32e28080b8178dced0923b8d5 |
| SHA1 | c3c8d866fab0cfa854d846913fe1e3e80ec1af09 |
| SHA256 | f330f90f1e6e5194bbb490dddee72c7fbc7e3283406813dd3d79bd5b848a1da2 |
| SHA512 | 3b0d895407aa45559126359a982423a3c0aa36b56b53eeaed05a448133237c519469dfb22719fd21c801fd2861f0be92c7e4a22d9cd4dc6b8d62892714632e8c |
memory/1400-76-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1504-77-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4764-78-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1356-81-0x0000000010000000-0x0000000010030000-memory.dmp
memory/1356-80-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4700-82-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1416-83-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1972-98-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2336-101-0x0000000000400000-0x000000000041F000-memory.dmp