Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 02:49
Static task
static1
Behavioral task
behavioral1
Sample
293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe
Resource
win7-20240708-en
General
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Target
293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe
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Size
269KB
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MD5
ed6c46e29d19fe16ede885f1e4e2f330
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SHA1
231c2efeda93e845d4e6f81841df7002086b47fe
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SHA256
293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195
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SHA512
ddcc7e7dd6fc93fbaeedf7673a29d28780073dc5dcab9399541405352a4ba95e1ea1ff839c6927a34ac90c46bf825c934c6f4951559c1f90bb2081a4f0713523
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SSDEEP
6144:UkLqdufoPDamz1pLBV+UdvrEFp7hKECUxr:r4PDa6BjvrEH7f7r
Malware Config
Signatures
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Floxif family
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe -
Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001225f-2.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a00000001225f-2.dat acprotect -
Executes dropped EXE 6 IoCs
pid Process 2724 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195n.exe 2928 icsys.icn.exe 2896 explorer.exe 2828 spoolsv.exe 2628 svchost.exe 376 spoolsv.exe -
Loads dropped DLL 7 IoCs
pid Process 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2928 icsys.icn.exe 2896 explorer.exe 2828 spoolsv.exe 2628 svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
resource yara_rule behavioral1/files/0x000a00000001225f-2.dat upx behavioral1/memory/2160-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2160-61-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2160-70-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2628-74-0x0000000000420000-0x000000000043F000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe icsys.icn.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe -
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1104 schtasks.exe 1936 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2896 explorer.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe 2628 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2628 svchost.exe 2896 explorer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 2928 icsys.icn.exe 2928 icsys.icn.exe 2896 explorer.exe 2896 explorer.exe 2828 spoolsv.exe 2828 spoolsv.exe 2628 svchost.exe 2628 svchost.exe 376 spoolsv.exe 376 spoolsv.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2160 wrote to memory of 2724 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 30 PID 2160 wrote to memory of 2724 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 30 PID 2160 wrote to memory of 2724 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 30 PID 2160 wrote to memory of 2724 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 30 PID 2160 wrote to memory of 2928 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 31 PID 2160 wrote to memory of 2928 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 31 PID 2160 wrote to memory of 2928 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 31 PID 2160 wrote to memory of 2928 2160 293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe 31 PID 2928 wrote to memory of 2896 2928 icsys.icn.exe 32 PID 2928 wrote to memory of 2896 2928 icsys.icn.exe 32 PID 2928 wrote to memory of 2896 2928 icsys.icn.exe 32 PID 2928 wrote to memory of 2896 2928 icsys.icn.exe 32 PID 2896 wrote to memory of 2828 2896 explorer.exe 33 PID 2896 wrote to memory of 2828 2896 explorer.exe 33 PID 2896 wrote to memory of 2828 2896 explorer.exe 33 PID 2896 wrote to memory of 2828 2896 explorer.exe 33 PID 2828 wrote to memory of 2628 2828 spoolsv.exe 34 PID 2828 wrote to memory of 2628 2828 spoolsv.exe 34 PID 2828 wrote to memory of 2628 2828 spoolsv.exe 34 PID 2828 wrote to memory of 2628 2828 spoolsv.exe 34 PID 2628 wrote to memory of 376 2628 svchost.exe 35 PID 2628 wrote to memory of 376 2628 svchost.exe 35 PID 2628 wrote to memory of 376 2628 svchost.exe 35 PID 2628 wrote to memory of 376 2628 svchost.exe 35 PID 2896 wrote to memory of 572 2896 explorer.exe 36 PID 2896 wrote to memory of 572 2896 explorer.exe 36 PID 2896 wrote to memory of 572 2896 explorer.exe 36 PID 2896 wrote to memory of 572 2896 explorer.exe 36 PID 2628 wrote to memory of 1104 2628 svchost.exe 37 PID 2628 wrote to memory of 1104 2628 svchost.exe 37 PID 2628 wrote to memory of 1104 2628 svchost.exe 37 PID 2628 wrote to memory of 1104 2628 svchost.exe 37 PID 2628 wrote to memory of 1936 2628 svchost.exe 41 PID 2628 wrote to memory of 1936 2628 svchost.exe 41 PID 2628 wrote to memory of 1936 2628 svchost.exe 41 PID 2628 wrote to memory of 1936 2628 svchost.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe"C:\Users\Admin\AppData\Local\Temp\293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195N.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160 -
\??\c:\users\admin\appdata\local\temp\293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195n.exec:\users\admin\appdata\local\temp\293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195n.exe2⤵
- Executes dropped EXE
PID:2724
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:376
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:51 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1104
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:52 /f6⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1936
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe4⤵PID:572
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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\Users\Admin\AppData\Local\Temp\293fac3cfccd066eefe05554679ffdc2b15d7e1bd14d6287076d6d8830437195n.exe
Filesize58KB
MD5832a6fd998f6f6dace0941f6acfad12b
SHA10bef24216645af00191e6cc822d3c72f1004a37b
SHA256abc85b051d14891171bcc30b3e02c12a2d1714c86d805157339372fce40facf4
SHA512cff08e2fe975bc231c15068cae0406542f83243dc22507e0c929c419fd4b1841de01ecb892d15a416525c73d94a15138d939066148b885a6cd5476170bcf4fcd
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Filesize
135KB
MD5bc806954e0ea0ad8576c4473f176096f
SHA1545216a44671d47cc85b0b324e82fbf87efabf50
SHA2568d717ffe8d407b1caffc212403b3a01787228d9f17a0ed0019f73728df865660
SHA512dd69aacb85276e8be9676dc727df5bcaa1c97b87d7f7c7e62ef24dd8e05ec464f1d87fb0d5d4e2ba03aa929a7670af9de9edb74fbf5300f53c04686ebfac25c6
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Filesize
135KB
MD5ea29b9f1dd98ab72fd6f074bcf2d3ddc
SHA19b9a005f084600229cb6442f4e7b5b08f950a6c8
SHA2565675f911331872c2132b17c436308d80797535545c2a836a3d06e59daa65db62
SHA5122fa968fad8e30ce39511ce730faa371396a52f2dbf4ae820d4d0f8a7a26babf02bbe906508a4cb192e1371119d2c36610cdabcfbeca21bd94d7e60f9fbf763b1
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Filesize
135KB
MD5a13c99f091b960f50d7999dbd426329c
SHA1d016226b3f62b379e63cf8616fbddfd815bd9e04
SHA2567e006318a2e1c230a7be54f5dfce3891e40ea33f6e2ac4bc6488334203197ef7
SHA512febb72560e610625c0b6f164379c83f67df86ff1b00be960e506b35dd9b59108fca29b6d69136a2e95fff1bd61028ef01e7084a53a56085ed93c248a2665c5c3
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Filesize
135KB
MD5d2cb3869ba34bb766338c0c653fc7eb2
SHA17304492c3ebc75f8cbb196a93302824b89298822
SHA256a6b7e8d2c440ddc440b6474f16d87db6459a68ac76447dbbb9d9d9daedfa9b8f
SHA512c9886573679f2015d3f1de9d67456d0b4826701f22ff9077307c7e94b6d0e74da4a7301bad9c340f8460ca68b000dc8ecd171d7c156193eafad524879b485f65