Analysis Overview
SHA256
d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862
Threat Level: Known bad
The file d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862 was found to be: Known bad.
Malicious Activity Summary
Ramnit
UPX dump on OEP (original entry point)
Executes dropped EXE
UPX packed file
Loads dropped DLL
Drops file in System32 directory
Drops file in Program Files directory
Program crash
Unsigned PE
Suspicious use of UnmapMainImage
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 03:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 03:31
Reported
2024-06-11 03:33
Platform
win7-20240220-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 100
Network
Files
memory/2276-2-0x0000000010000000-0x00000000100AF000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 8499caf4ab80f33508daa32513cc1c7e |
| SHA1 | d252d6bad7adce4ffe5c2795fb1e5e6fcca7cbd2 |
| SHA256 | 22a4a2fab776db0d00df29a577b354ba8d775c434b1e88ce4835c6f2e5b4cbd1 |
| SHA512 | cea57e7540550dc1a88933f5e37a473266892a00da754e8d86519cda4a15cde78915cfe619f9b52d48569627ee8fec51eba4b64bf5ca316874c970113e8a0873 |
memory/2276-3-0x0000000000200000-0x0000000000226000-memory.dmp
memory/2276-10-0x0000000000200000-0x0000000000226000-memory.dmp
memory/2276-18-0x0000000000200000-0x0000000000226000-memory.dmp
memory/2436-19-0x0000000000400000-0x0000000000426000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 03:31
Reported
2024-06-11 03:33
Platform
win10v2004-20240508-en
Max time kernel
81s
Max time network
106s
Command Line
Signatures
Ramnit
UPX dump on OEP (original entry point)
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\px3D95.tmp | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\WaterMark.exe | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\WaterMark.exe | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1580C91B-27A3-11EF-9519-5ABC67A14C95} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{15858DEC-27A3-11EF-9519-5ABC67A14C95} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424238565" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\WaterMark.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0f205847003aab8bdb5dfc2f138a497ec56a5ab0e184bda67efebaeefa1a862.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2904 -ip 2904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 204
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 608
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1192 CREDAT:17410 /prefetch:2
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3940 CREDAT:17410 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 52.111.227.11:443 | tcp |
Files
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 8499caf4ab80f33508daa32513cc1c7e |
| SHA1 | d252d6bad7adce4ffe5c2795fb1e5e6fcca7cbd2 |
| SHA256 | 22a4a2fab776db0d00df29a577b354ba8d775c434b1e88ce4835c6f2e5b4cbd1 |
| SHA512 | cea57e7540550dc1a88933f5e37a473266892a00da754e8d86519cda4a15cde78915cfe619f9b52d48569627ee8fec51eba4b64bf5ca316874c970113e8a0873 |
memory/2556-4-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4912-3-0x0000000010000000-0x00000000100AF000-memory.dmp
memory/2556-11-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3472-31-0x0000000077BC2000-0x0000000077BC3000-memory.dmp
memory/2904-33-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/2904-32-0x0000000000B30000-0x0000000000B31000-memory.dmp
memory/3472-30-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3472-29-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3472-27-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3472-26-0x00000000008E0000-0x00000000008E1000-memory.dmp
memory/2556-13-0x0000000002850000-0x0000000002851000-memory.dmp
memory/2556-12-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2556-10-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2556-9-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2556-8-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2556-7-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2556-6-0x0000000000400000-0x0000000000421000-memory.dmp
memory/4912-34-0x0000000010000000-0x00000000100AF000-memory.dmp
memory/3472-36-0x0000000077BC2000-0x0000000077BC3000-memory.dmp
memory/3472-35-0x0000000000070000-0x0000000000071000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{1580C91B-27A3-11EF-9519-5ABC67A14C95}.dat
| MD5 | ac64751a513a4951f741986ae8f2eb37 |
| SHA1 | 972b7df70e8fea1490726f7766e4019f63c2d624 |
| SHA256 | 43b09f29cbe78cb5d9ceb517f1dd08162218d421448fa5decb7f0ecb9288cea4 |
| SHA512 | 6b72b7bb317f78399b7b9a260b4db9abc8871db170178d28b8c56a81b1de61fbb67a1f5dc0e392ada10e3c68fa20d45c2912368ab2f649a0de663f0628baf5a6 |
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{15858DEC-27A3-11EF-9519-5ABC67A14C95}.dat
| MD5 | 4d70946c281275ef314e353f83923880 |
| SHA1 | 56ebe79fcdc34b84f2261406c547845c01b9a967 |
| SHA256 | 2468c92d76e77c3db8df6183987b8af8b19be90a8ed30bc398c6557767bf41bd |
| SHA512 | d95776e65d6d5247cb2b3bdf5e9fc604b877dd9c546c6e7c46bb519e0b0717a4686cb0f74f4211508242701fd76aa7dd02a12533257ee89d0d858659d3438951 |
memory/3472-40-0x0000000000400000-0x0000000000421000-memory.dmp