Analysis
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max time kernel
120s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
03-11-2024 03:50
Static task
static1
Behavioral task
behavioral1
Sample
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe
Resource
win7-20240729-en
General
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Target
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe
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Size
520KB
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MD5
ead518469e56fd742ed1955f744285e0
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SHA1
d78a93bc65d01bbb505f58031a74a9a7219bd434
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SHA256
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322e
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SHA512
cb4f39e081d400169d721a501ed97a094fb0a18b6980b4c8a60b4fa5c1da5be91bf5517ddb35b1e71d0f205c5e218ff74e71ecd435fb8bce105afe92c0cae3bf
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SSDEEP
6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbL:f9fC3hh29Ya77A90aFtDfT5IMbL
Malware Config
Extracted
darkcomet
PrivateEye
ratblackshades.no-ip.biz:1604
DC_MUTEX-ACC1R98
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gencode
8GG5LVVGljSF
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install
false
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offline_keylogger
true
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persistence
false
Signatures
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Darkcomet family
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Executes dropped EXE 3 IoCs
Processes:
winupd.exewinupd.exewinupd.exepid process 2676 winupd.exe 2800 winupd.exe 2756 winupd.exe -
Loads dropped DLL 4 IoCs
Processes:
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exewinupd.exepid process 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 2676 winupd.exe 2676 winupd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exewinupd.exedescription pid process target process PID 1056 set thread context of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 2676 set thread context of 2756 2676 winupd.exe winupd.exe PID 2676 set thread context of 2800 2676 winupd.exe winupd.exe -
Processes:
resource yara_rule behavioral1/memory/2800-60-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-61-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-58-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-54-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-79-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-80-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-76-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-72-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-70-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-52-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-93-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-94-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-95-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-96-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-97-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-98-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2800-99-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
cmd.exereg.exe734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exewinupd.exewinupd.exewinupd.exeipconfig.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 2948 ipconfig.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 23 IoCs
Processes:
winupd.exedescription pid process Token: SeIncreaseQuotaPrivilege 2800 winupd.exe Token: SeSecurityPrivilege 2800 winupd.exe Token: SeTakeOwnershipPrivilege 2800 winupd.exe Token: SeLoadDriverPrivilege 2800 winupd.exe Token: SeSystemProfilePrivilege 2800 winupd.exe Token: SeSystemtimePrivilege 2800 winupd.exe Token: SeProfSingleProcessPrivilege 2800 winupd.exe Token: SeIncBasePriorityPrivilege 2800 winupd.exe Token: SeCreatePagefilePrivilege 2800 winupd.exe Token: SeBackupPrivilege 2800 winupd.exe Token: SeRestorePrivilege 2800 winupd.exe Token: SeShutdownPrivilege 2800 winupd.exe Token: SeDebugPrivilege 2800 winupd.exe Token: SeSystemEnvironmentPrivilege 2800 winupd.exe Token: SeChangeNotifyPrivilege 2800 winupd.exe Token: SeRemoteShutdownPrivilege 2800 winupd.exe Token: SeUndockPrivilege 2800 winupd.exe Token: SeManageVolumePrivilege 2800 winupd.exe Token: SeImpersonatePrivilege 2800 winupd.exe Token: SeCreateGlobalPrivilege 2800 winupd.exe Token: 33 2800 winupd.exe Token: 34 2800 winupd.exe Token: 35 2800 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exewinupd.exewinupd.exewinupd.exepid process 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 2676 winupd.exe 2756 winupd.exe 2800 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid process target process PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 1056 wrote to memory of 2200 1056 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe PID 2200 wrote to memory of 2676 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe winupd.exe PID 2200 wrote to memory of 2676 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe winupd.exe PID 2200 wrote to memory of 2676 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe winupd.exe PID 2200 wrote to memory of 2676 2200 734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2756 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2676 wrote to memory of 2800 2676 winupd.exe winupd.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2756 wrote to memory of 2948 2756 winupd.exe ipconfig.exe PID 2948 wrote to memory of 1676 2948 ipconfig.exe cmd.exe PID 2948 wrote to memory of 1676 2948 ipconfig.exe cmd.exe PID 2948 wrote to memory of 1676 2948 ipconfig.exe cmd.exe PID 2948 wrote to memory of 1676 2948 ipconfig.exe cmd.exe PID 1676 wrote to memory of 1060 1676 cmd.exe reg.exe PID 1676 wrote to memory of 1060 1676 cmd.exe reg.exe PID 1676 wrote to memory of 1060 1676 cmd.exe reg.exe PID 1676 wrote to memory of 1060 1676 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"C:\Users\Admin\AppData\Local\Temp\734478e466032b203f7777fc9154fa18ab78879ddff88007554661a2ae15322eN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exeC:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\system32\ipconfig.exe"5⤵
- System Location Discovery: System Language Discovery
- Gathers network information
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\XQPXLKMH.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\reg.exeREG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f7⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1060
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C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD5cac890d00365d07b9ca89def17cc3a36
SHA16fa99679ede791c16b5d3e6d243a98e8bbdb7eab
SHA2564f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da
SHA512124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1
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Filesize
520KB
MD590826f7cf8c8e92ec145e8ff3615339c
SHA176e8694181a5b045bb16064a27335d59b91201fc
SHA2561b674181c975eed61caaac84d27ace9abda39dfe626249ba9a1707105e2eb762
SHA5128638d87b44708e8ba78d715bb93f8aad0b209fa442b424cdf9c125765530bc099b46d2174a8fa98e7d115b68379fc78c0e1d015dbda0d6430ac5d9db870d1d4c