darkcomet | 3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901

General

Target

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Size

232KB
MD5

bd83e861279139ed63a2ba3a7f9b6532
SHA1

7bbcd96d97292409e5c8b34c8f2925a050ae2e40
SHA256

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901
SHA512

b8db2ebded1ea9ce62518bfa5588c7ac95eb7efa6670ab101650e10db339c2a70d9a8a8cb14948c2ab38250468f793b6fd21a888665d87d804182c347c474c58

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

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:

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.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\\DCSCMIN\\IMDCSC.exe"	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

1588 IMDCSC.exe

pid	process
1588	IMDCSC.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx

Loads dropped DLL 2 IoCs

Processes:

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe

pid	process
2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\SS = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.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:

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeSecurityPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeTakeOwnershipPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeLoadDriverPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeSystemProfilePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeSystemtimePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeProfSingleProcessPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeIncBasePriorityPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeCreatePagefilePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeBackupPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeRestorePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeShutdownPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeDebugPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeSystemEnvironmentPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeChangeNotifyPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeRemoteShutdownPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeUndockPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeManageVolumePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeImpersonatePrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeCreateGlobalPrivilege	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: 33	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: 34	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: 35	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
Token: SeIncreaseQuotaPrivilege	1588	IMDCSC.exe
Token: SeSecurityPrivilege	1588	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1588	IMDCSC.exe
Token: SeLoadDriverPrivilege	1588	IMDCSC.exe
Token: SeSystemProfilePrivilege	1588	IMDCSC.exe
Token: SeSystemtimePrivilege	1588	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1588	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1588	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1588	IMDCSC.exe
Token: SeBackupPrivilege	1588	IMDCSC.exe
Token: SeRestorePrivilege	1588	IMDCSC.exe
Token: SeShutdownPrivilege	1588	IMDCSC.exe
Token: SeDebugPrivilege	1588	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1588	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1588	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1588	IMDCSC.exe
Token: SeUndockPrivilege	1588	IMDCSC.exe
Token: SeManageVolumePrivilege	1588	IMDCSC.exe
Token: SeImpersonatePrivilege	1588	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1588	IMDCSC.exe
Token: 33	1588	IMDCSC.exe
Token: 34	1588	IMDCSC.exe
Token: 35	1588	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

1588 IMDCSC.exe

pid	process
1588	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe

description	pid	process	target process
PID 2028 wrote to memory of 1588	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe	IMDCSC.exe
PID 2028 wrote to memory of 1588	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe	IMDCSC.exe
PID 2028 wrote to memory of 1588	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe	IMDCSC.exe
PID 2028 wrote to memory of 1588	2028	3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe
"C:\Users\Admin\AppData\Local\Temp\3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

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:1588

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

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
bd83e861279139ed63a2ba3a7f9b6532

SHA1
7bbcd96d97292409e5c8b34c8f2925a050ae2e40

SHA256
3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901

SHA512
b8db2ebded1ea9ce62518bfa5588c7ac95eb7efa6670ab101650e10db339c2a70d9a8a8cb14948c2ab38250468f793b6fd21a888665d87d804182c347c474c58

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
bd83e861279139ed63a2ba3a7f9b6532

SHA1
7bbcd96d97292409e5c8b34c8f2925a050ae2e40

SHA256
3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901

SHA512
b8db2ebded1ea9ce62518bfa5588c7ac95eb7efa6670ab101650e10db339c2a70d9a8a8cb14948c2ab38250468f793b6fd21a888665d87d804182c347c474c58

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
bd83e861279139ed63a2ba3a7f9b6532

SHA1
7bbcd96d97292409e5c8b34c8f2925a050ae2e40

SHA256
3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901

SHA512
b8db2ebded1ea9ce62518bfa5588c7ac95eb7efa6670ab101650e10db339c2a70d9a8a8cb14948c2ab38250468f793b6fd21a888665d87d804182c347c474c58

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
bd83e861279139ed63a2ba3a7f9b6532

SHA1
7bbcd96d97292409e5c8b34c8f2925a050ae2e40

SHA256
3dc283bdd9b5d5e1bfef702b34a42f11c1c6beb03d61439604c0e98370013901

SHA512
b8db2ebded1ea9ce62518bfa5588c7ac95eb7efa6670ab101650e10db339c2a70d9a8a8cb14948c2ab38250468f793b6fd21a888665d87d804182c347c474c58

Download Submit
memory/1588-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads