Analysis
- max time kernel
155s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/10/2022, 09:20
Behavioral task
behavioral1
Sample
d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe
- Size 232KB
- Sample221011-lasx6sfge3
- SHA256 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090
- MD5 6518355730fc5451e1282980c71e2c20
- SHA1 4279b8fd805980a202abefaf39cdc068f88a0570
- SHA512 1cced1364496f8c4f7eaced73e53ee0ce941225b0f4827a4e7e5e4359cb38c32838bfd7312388c00ccfff48256b4ac49ac0c66d79c1ef15d48cd6c04edb2f21a
- SSDEEP 6144:HjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMyDoS:DFy9bPQZlFjrG0ZmYbwvoS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16_min
C2
-
aazzeezz.no-ip.biz:1604
Mutex
-
DCMIN_MUTEX-ZL27BN5
Attributes
-
InstallPath
DCSCMIN\IMDCSC.exe
-
gencode
WyaQPspYwvik
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
DarkComet RAT
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" d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe - Executes dropped EXE 1 IoCs
pid Process 4100 IMDCSC.exe -
resource yara_rule behavioral2/memory/4364-132-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/files/0x0006000000022e48-134.dat upx behavioral2/files/0x0006000000022e48-135.dat upx behavioral2/memory/4100-136-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4364-137-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/4100-138-0x0000000000400000-0x00000000004B7000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.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 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeSecurityPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeTakeOwnershipPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeLoadDriverPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeSystemProfilePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeSystemtimePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeProfSingleProcessPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeIncBasePriorityPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeCreatePagefilePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeBackupPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeRestorePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeShutdownPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeDebugPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeSystemEnvironmentPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeChangeNotifyPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeRemoteShutdownPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeUndockPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeManageVolumePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeImpersonatePrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeCreateGlobalPrivilege 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: 33 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: 34 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: 35 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: 36 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe Token: SeIncreaseQuotaPrivilege 4100 IMDCSC.exe Token: SeSecurityPrivilege 4100 IMDCSC.exe Token: SeTakeOwnershipPrivilege 4100 IMDCSC.exe Token: SeLoadDriverPrivilege 4100 IMDCSC.exe Token: SeSystemProfilePrivilege 4100 IMDCSC.exe Token: SeSystemtimePrivilege 4100 IMDCSC.exe Token: SeProfSingleProcessPrivilege 4100 IMDCSC.exe Token: SeIncBasePriorityPrivilege 4100 IMDCSC.exe Token: SeCreatePagefilePrivilege 4100 IMDCSC.exe Token: SeBackupPrivilege 4100 IMDCSC.exe Token: SeRestorePrivilege 4100 IMDCSC.exe Token: SeShutdownPrivilege 4100 IMDCSC.exe Token: SeDebugPrivilege 4100 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 4100 IMDCSC.exe Token: SeChangeNotifyPrivilege 4100 IMDCSC.exe Token: SeRemoteShutdownPrivilege 4100 IMDCSC.exe Token: SeUndockPrivilege 4100 IMDCSC.exe Token: SeManageVolumePrivilege 4100 IMDCSC.exe Token: SeImpersonatePrivilege 4100 IMDCSC.exe Token: SeCreateGlobalPrivilege 4100 IMDCSC.exe Token: 33 4100 IMDCSC.exe Token: 34 4100 IMDCSC.exe Token: 35 4100 IMDCSC.exe Token: 36 4100 IMDCSC.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4100 IMDCSC.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4364 wrote to memory of 4100 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe 81 PID 4364 wrote to memory of 4100 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe 81 PID 4364 wrote to memory of 4100 4364 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.exe"C:\Users\Admin\AppData\Local\Temp\d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090.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:4364 -
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:4100
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
- Size 232KB
- SHA256 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090
- MD5 6518355730fc5451e1282980c71e2c20
- SHA1 4279b8fd805980a202abefaf39cdc068f88a0570
- SHA512 1cced1364496f8c4f7eaced73e53ee0ce941225b0f4827a4e7e5e4359cb38c32838bfd7312388c00ccfff48256b4ac49ac0c66d79c1ef15d48cd6c04edb2f21a
- SSDEEP 6144:HjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMyDoS:DFy9bPQZlFjrG0ZmYbwvoS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
- Size 232KB
- SHA256 d3f43c6f76107610cf30b0ef751cd5743cd05bb42f182f5933ac58cf08e63090
- MD5 6518355730fc5451e1282980c71e2c20
- SHA1 4279b8fd805980a202abefaf39cdc068f88a0570
- SHA512 1cced1364496f8c4f7eaced73e53ee0ce941225b0f4827a4e7e5e4359cb38c32838bfd7312388c00ccfff48256b4ac49ac0c66d79c1ef15d48cd6c04edb2f21a
- SSDEEP 6144:HjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMyDoS:DFy9bPQZlFjrG0ZmYbwvoS
- MD5 SHA1 SHA512 SSDEEP