darkcomet | 43017a60a99ab0a9ac4ac4087b4d25ff4263e5bae796f4979d777395ae09e67b

General

Target

DAZ Studio Professional 4.15.0.30 x64c.exe
Size

536KB
MD5

6485a104cfdf2d8e847f3116347736a6
SHA1

17d5e7d32055ed9c98de05b9f14c9ae2cb573fcc
SHA256

43017a60a99ab0a9ac4ac4087b4d25ff4263e5bae796f4979d777395ae09e67b
SHA512

0ff04031a776e5beb8062bc6483f265f5e043b44d760320b2052a7ce98d6b3181cd7e1f4c69374e9af4a9397a48c83c95d61aee733c03a8d2ef1acafe454ac8c

Score

10^/10

darkcomet daz studio professional 4.15.0.30 x64 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

DAZ Studio Professional 4.15.0.30 x64

C2

clientts.ddns.net:1604

Mutex

DCMIN_MUTEX-7VA997K

Attributes

gencode
iVpp885bSBQY
install
false
offline_keylogger
true
persistence
false

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:

DAZ Studio Professional 4.15.0.30 x64c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\services\\jCCOsRcoejGI.exe\",explorer.exe"	DAZ Studio Professional 4.15.0.30 x64c.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3708-116-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3708-121-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3708-122-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

Processes:

DAZ Studio Professional 4.15.0.30 x64c.exe

description	pid	process	target process
PID 2500 set thread context of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 set thread context of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

DAZ Studio Professional 4.15.0.30 x64c.exe

pid process

2500 DAZ Studio Professional 4.15.0.30 x64c.exe
2500 DAZ Studio Professional 4.15.0.30 x64c.exe

pid	process
2500	DAZ Studio Professional 4.15.0.30 x64c.exe
2500	DAZ Studio Professional 4.15.0.30 x64c.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

DAZ Studio Professional 4.15.0.30 x64c.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	2500	DAZ Studio Professional 4.15.0.30 x64c.exe
Token: SeDebugPrivilege	2500	DAZ Studio Professional 4.15.0.30 x64c.exe
Token: SeIncreaseQuotaPrivilege	3708	vbc.exe
Token: SeSecurityPrivilege	3708	vbc.exe
Token: SeTakeOwnershipPrivilege	3708	vbc.exe
Token: SeLoadDriverPrivilege	3708	vbc.exe
Token: SeSystemProfilePrivilege	3708	vbc.exe
Token: SeSystemtimePrivilege	3708	vbc.exe
Token: SeProfSingleProcessPrivilege	3708	vbc.exe
Token: SeIncBasePriorityPrivilege	3708	vbc.exe
Token: SeCreatePagefilePrivilege	3708	vbc.exe
Token: SeBackupPrivilege	3708	vbc.exe
Token: SeRestorePrivilege	3708	vbc.exe
Token: SeShutdownPrivilege	3708	vbc.exe
Token: SeDebugPrivilege	3708	vbc.exe
Token: SeSystemEnvironmentPrivilege	3708	vbc.exe
Token: SeChangeNotifyPrivilege	3708	vbc.exe
Token: SeRemoteShutdownPrivilege	3708	vbc.exe
Token: SeUndockPrivilege	3708	vbc.exe
Token: SeManageVolumePrivilege	3708	vbc.exe
Token: SeImpersonatePrivilege	3708	vbc.exe
Token: SeCreateGlobalPrivilege	3708	vbc.exe
Token: 33	3708	vbc.exe
Token: 34	3708	vbc.exe
Token: 35	3708	vbc.exe
Token: 36	3708	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

3708 vbc.exe

pid	process
3708	vbc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DAZ Studio Professional 4.15.0.30 x64c.exe

description	pid	process	target process
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe
PID 2500 wrote to memory of 3708	2500	DAZ Studio Professional 4.15.0.30 x64c.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\DAZ Studio Professional 4.15.0.30 x64c.exe
"C:\Users\Admin\AppData\Local\Temp\DAZ Studio Professional 4.15.0.30 x64c.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3708

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2500-115-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/3708-116-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3708-117-0x00000000004B5020-mapping.dmp

Download
memory/3708-118-0x00000000008A1000-0x00000000008A2000-memory.dmp

Filesize
4KB

Download
memory/3708-119-0x00000000008A1000-0x00000000008A2000-memory.dmp

Filesize
4KB

Download
memory/3708-120-0x00000000008A2000-0x00000000008A4000-memory.dmp

Filesize
8KB

Download
memory/3708-121-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3708-123-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/3708-122-0x0000000000400000-0x00000000004B7000-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