Analysis
- max time kernel
162s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
14/10/2022, 10:02
Behavioral task
behavioral1
Sample
245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe
- Size 232KB
- Sample221014-l22dmaade3
- SHA256 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651
- MD5 4476168a370bc5887b21c0fa4c0c6d90
- SHA1 55bdc22e3dc6a7843a8d2f6f9af426ee5ee0a8e3
- SHA512 40d53217eb9ac2cc664b58e006a26d562f4fbb4b0851d0f646dd6f34b63451eebe23eab818b8e1f6bbbc4a2078f173bea5d11ac8f32d308a458e74c8bb0559d0
- SSDEEP 6144:JjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMToS:VFy9bPQZlFjrG0ZmYbwSoS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16_min
C2
-
85.151.77.135:2042
Mutex
-
DCMIN_MUTEX-JXAL8YV
Attributes
-
InstallPath
DCSCMIN\IMDCSC.exe
-
gencode
rv8TypgSw9eL
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
Google
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe - Executes dropped EXE 1 IoCs
pid Process 1256 IMDCSC.exe -
resource yara_rule behavioral2/memory/4948-132-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4948-133-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/files/0x0007000000022f67-135.dat upx behavioral2/files/0x0007000000022f67-136.dat upx behavioral2/memory/1256-137-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4948-138-0x0000000000400000-0x00000000004B7000-memory.dmp upx - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeSecurityPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeTakeOwnershipPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeLoadDriverPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeSystemProfilePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeSystemtimePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeProfSingleProcessPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeIncBasePriorityPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeCreatePagefilePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeBackupPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeRestorePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeShutdownPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeDebugPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeSystemEnvironmentPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeChangeNotifyPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeRemoteShutdownPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeUndockPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeManageVolumePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeImpersonatePrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeCreateGlobalPrivilege 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: 33 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: 34 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: 35 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: 36 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe Token: SeIncreaseQuotaPrivilege 1256 IMDCSC.exe Token: SeSecurityPrivilege 1256 IMDCSC.exe Token: SeTakeOwnershipPrivilege 1256 IMDCSC.exe Token: SeLoadDriverPrivilege 1256 IMDCSC.exe Token: SeSystemProfilePrivilege 1256 IMDCSC.exe Token: SeSystemtimePrivilege 1256 IMDCSC.exe Token: SeProfSingleProcessPrivilege 1256 IMDCSC.exe Token: SeIncBasePriorityPrivilege 1256 IMDCSC.exe Token: SeCreatePagefilePrivilege 1256 IMDCSC.exe Token: SeBackupPrivilege 1256 IMDCSC.exe Token: SeRestorePrivilege 1256 IMDCSC.exe Token: SeShutdownPrivilege 1256 IMDCSC.exe Token: SeDebugPrivilege 1256 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 1256 IMDCSC.exe Token: SeChangeNotifyPrivilege 1256 IMDCSC.exe Token: SeRemoteShutdownPrivilege 1256 IMDCSC.exe Token: SeUndockPrivilege 1256 IMDCSC.exe Token: SeManageVolumePrivilege 1256 IMDCSC.exe Token: SeImpersonatePrivilege 1256 IMDCSC.exe Token: SeCreateGlobalPrivilege 1256 IMDCSC.exe Token: 33 1256 IMDCSC.exe Token: 34 1256 IMDCSC.exe Token: 35 1256 IMDCSC.exe Token: 36 1256 IMDCSC.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1256 IMDCSC.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4948 wrote to memory of 1256 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe 79 PID 4948 wrote to memory of 1256 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe 79 PID 4948 wrote to memory of 1256 4948 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe"C:\Users\Admin\AppData\Local\Temp\245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1256
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
- Size 232KB
- SHA256 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651
- MD5 4476168a370bc5887b21c0fa4c0c6d90
- SHA1 55bdc22e3dc6a7843a8d2f6f9af426ee5ee0a8e3
- SHA512 40d53217eb9ac2cc664b58e006a26d562f4fbb4b0851d0f646dd6f34b63451eebe23eab818b8e1f6bbbc4a2078f173bea5d11ac8f32d308a458e74c8bb0559d0
- SSDEEP 6144:JjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMToS:VFy9bPQZlFjrG0ZmYbwSoS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
- Size 232KB
- SHA256 245c324dc606d05bd556cbd65e18237cad79e82206fa080959ccced5a8082651
- MD5 4476168a370bc5887b21c0fa4c0c6d90
- SHA1 55bdc22e3dc6a7843a8d2f6f9af426ee5ee0a8e3
- SHA512 40d53217eb9ac2cc664b58e006a26d562f4fbb4b0851d0f646dd6f34b63451eebe23eab818b8e1f6bbbc4a2078f173bea5d11ac8f32d308a458e74c8bb0559d0
- SSDEEP 6144:JjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMToS:VFy9bPQZlFjrG0ZmYbwSoS
- MD5 SHA1 SHA512 SSDEEP