darkcomet | f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254

General

Target

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Size

251KB
MD5

849f77e376036b2381b3a0899c705d50
SHA1

bf22b89aa161759dd70f3944b2e99f850dfb02ee
SHA256

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254
SHA512

ba43e3a9bf54f486f038bd30a11078ed21dd3ea6484d2d2e118895c4f53431b539bbb397138b22de2043277f303240fed021d9dfc7e5e48bbbf178c6acf67efe
SSDEEP

6144:/YcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:wcW7KEZlPzCy37

Score

10^/10

darkcomet test1 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Test1

C2

roguehack.no-ip.biz:70

Mutex

DC_MUTEX-1V41W5P

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
o7XD3VtoPQi3
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1132 msdcsc.exe

pid	process
1132	msdcsc.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1112-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
behavioral1/memory/1132-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
behavioral1/memory/1112-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1132-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

pid	process
1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeSecurityPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeTakeOwnershipPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeLoadDriverPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeSystemProfilePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeSystemtimePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeProfSingleProcessPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeIncBasePriorityPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeCreatePagefilePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeBackupPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeRestorePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeShutdownPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeDebugPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeSystemEnvironmentPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeChangeNotifyPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeRemoteShutdownPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeUndockPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeManageVolumePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeImpersonatePrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeCreateGlobalPrivilege	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: 33	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: 34	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: 35	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
Token: SeIncreaseQuotaPrivilege	1132	msdcsc.exe
Token: SeSecurityPrivilege	1132	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1132	msdcsc.exe
Token: SeLoadDriverPrivilege	1132	msdcsc.exe
Token: SeSystemProfilePrivilege	1132	msdcsc.exe
Token: SeSystemtimePrivilege	1132	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1132	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1132	msdcsc.exe
Token: SeCreatePagefilePrivilege	1132	msdcsc.exe
Token: SeBackupPrivilege	1132	msdcsc.exe
Token: SeRestorePrivilege	1132	msdcsc.exe
Token: SeShutdownPrivilege	1132	msdcsc.exe
Token: SeDebugPrivilege	1132	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1132	msdcsc.exe
Token: SeChangeNotifyPrivilege	1132	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1132	msdcsc.exe
Token: SeUndockPrivilege	1132	msdcsc.exe
Token: SeManageVolumePrivilege	1132	msdcsc.exe
Token: SeImpersonatePrivilege	1132	msdcsc.exe
Token: SeCreateGlobalPrivilege	1132	msdcsc.exe
Token: 33	1132	msdcsc.exe
Token: 34	1132	msdcsc.exe
Token: 35	1132	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1132 msdcsc.exe

pid	process
1132	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe

description	pid	process	target process
PID 1112 wrote to memory of 1132	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe	msdcsc.exe
PID 1112 wrote to memory of 1132	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe	msdcsc.exe
PID 1112 wrote to memory of 1132	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe	msdcsc.exe
PID 1112 wrote to memory of 1132	1112	f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe
"C:\Users\Admin\AppData\Local\Temp\f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1132

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
251KB

MD5
849f77e376036b2381b3a0899c705d50

SHA1
bf22b89aa161759dd70f3944b2e99f850dfb02ee

SHA256
f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254

SHA512
ba43e3a9bf54f486f038bd30a11078ed21dd3ea6484d2d2e118895c4f53431b539bbb397138b22de2043277f303240fed021d9dfc7e5e48bbbf178c6acf67efe

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
251KB

MD5
849f77e376036b2381b3a0899c705d50

SHA1
bf22b89aa161759dd70f3944b2e99f850dfb02ee

SHA256
f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254

SHA512
ba43e3a9bf54f486f038bd30a11078ed21dd3ea6484d2d2e118895c4f53431b539bbb397138b22de2043277f303240fed021d9dfc7e5e48bbbf178c6acf67efe

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
251KB

MD5
849f77e376036b2381b3a0899c705d50

SHA1
bf22b89aa161759dd70f3944b2e99f850dfb02ee

SHA256
f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254

SHA512
ba43e3a9bf54f486f038bd30a11078ed21dd3ea6484d2d2e118895c4f53431b539bbb397138b22de2043277f303240fed021d9dfc7e5e48bbbf178c6acf67efe

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
251KB

MD5
849f77e376036b2381b3a0899c705d50

SHA1
bf22b89aa161759dd70f3944b2e99f850dfb02ee

SHA256
f1969fe13d3943817a7514b0740252db27ee1519ac57388daaa712c04de35254

SHA512
ba43e3a9bf54f486f038bd30a11078ed21dd3ea6484d2d2e118895c4f53431b539bbb397138b22de2043277f303240fed021d9dfc7e5e48bbbf178c6acf67efe

Download Submit
memory/1112-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1112-55-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1112-61-0x0000000003280000-0x0000000003337000-memory.dmp

Filesize
732KB

Download
memory/1112-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1132-58-0x0000000000000000-mapping.dmp

Download
memory/1132-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1132-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads