Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 19:55
Static task
static1
Behavioral task
behavioral1
Sample
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
Resource
win7-20240729-en
General
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Target
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
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Size
520KB
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MD5
f27c83ca93b05f487a02bf6729e45c96
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SHA1
ed0cad92fff0d485a3e3b2234ea6404350ee4cd1
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SHA256
37ad37d2b58bc6bb5f13cbadb8e97b66b7a04541b8bba4a7e8c07c98dd356c26
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SHA512
63d5ddcd9d1d0a23e917853cabce96058cd926f06b4d66f4b026b61a577689c687493146321058bdda271e8fd85374586169416d9b5b01b5b53031d8c80570f4
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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 2404 winupd.exe 2808 winupd.exe 2720 winupd.exe -
Loads dropped DLL 4 IoCs
Processes:
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exewinupd.exepid process 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 2404 winupd.exe 2404 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:
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exewinupd.exedescription pid process target process PID 2436 set thread context of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2404 set thread context of 2808 2404 winupd.exe winupd.exe PID 2404 set thread context of 2720 2404 winupd.exe winupd.exe -
Processes:
resource yara_rule behavioral1/memory/2720-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-74-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-79-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-78-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-73-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-72-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-70-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-55-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-58-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-84-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-85-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-86-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-87-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-88-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-89-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-90-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-91-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-92-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-93-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-94-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-95-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral1/memory/2720-96-0x0000000000400000-0x00000000004B7000-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:
ipconfig.execmd.exereg.exe4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exewinupd.exewinupd.exewinupd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe 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 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.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 -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 2620 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 2720 winupd.exe Token: SeSecurityPrivilege 2720 winupd.exe Token: SeTakeOwnershipPrivilege 2720 winupd.exe Token: SeLoadDriverPrivilege 2720 winupd.exe Token: SeSystemProfilePrivilege 2720 winupd.exe Token: SeSystemtimePrivilege 2720 winupd.exe Token: SeProfSingleProcessPrivilege 2720 winupd.exe Token: SeIncBasePriorityPrivilege 2720 winupd.exe Token: SeCreatePagefilePrivilege 2720 winupd.exe Token: SeBackupPrivilege 2720 winupd.exe Token: SeRestorePrivilege 2720 winupd.exe Token: SeShutdownPrivilege 2720 winupd.exe Token: SeDebugPrivilege 2720 winupd.exe Token: SeSystemEnvironmentPrivilege 2720 winupd.exe Token: SeChangeNotifyPrivilege 2720 winupd.exe Token: SeRemoteShutdownPrivilege 2720 winupd.exe Token: SeUndockPrivilege 2720 winupd.exe Token: SeManageVolumePrivilege 2720 winupd.exe Token: SeImpersonatePrivilege 2720 winupd.exe Token: SeCreateGlobalPrivilege 2720 winupd.exe Token: 33 2720 winupd.exe Token: 34 2720 winupd.exe Token: 35 2720 winupd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exewinupd.exewinupd.exewinupd.exepid process 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 2404 winupd.exe 2808 winupd.exe 2720 winupd.exe -
Suspicious use of WriteProcessMemory 44 IoCs
Processes:
4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exewinupd.exewinupd.exeipconfig.execmd.exedescription pid process target process PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 2436 wrote to memory of 1996 2436 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe PID 1996 wrote to memory of 2404 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe winupd.exe PID 1996 wrote to memory of 2404 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe winupd.exe PID 1996 wrote to memory of 2404 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe winupd.exe PID 1996 wrote to memory of 2404 1996 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2808 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2404 wrote to memory of 2720 2404 winupd.exe winupd.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2808 wrote to memory of 2620 2808 winupd.exe ipconfig.exe PID 2620 wrote to memory of 2552 2620 ipconfig.exe cmd.exe PID 2620 wrote to memory of 2552 2620 ipconfig.exe cmd.exe PID 2620 wrote to memory of 2552 2620 ipconfig.exe cmd.exe PID 2620 wrote to memory of 2552 2620 ipconfig.exe cmd.exe PID 2552 wrote to memory of 2532 2552 cmd.exe reg.exe PID 2552 wrote to memory of 2532 2552 cmd.exe reg.exe PID 2552 wrote to memory of 2532 2552 cmd.exe reg.exe PID 2552 wrote to memory of 2532 2552 cmd.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996 -
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:2404 -
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:2808 -
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:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\AJASKGBU.bat" "6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552 -
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:2532
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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:2720
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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
MD5e288b229b2acc5eabd179478830b31db
SHA179c299e9fe15a82e521fd914bbe5dae3d7bbd225
SHA2568e627b0dfcbe26a7efd066a5bff17d07c3255add5a22e1b8eb58003a31dbbba1
SHA512b07c1a9557c8afa7a3e44a6e7e2bd19ec2d2a7c159bb97a79e5ea21c92b56dad2378fe4e68ef2874745ce8f6a4c28fe48e216234751d35e29247edcdbae6ee43