darkcomet | bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e

General

Target

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe
Size

519KB
MD5

0a576752b14445994e436a13e1d5f010
SHA1

ee7a1f32ac798dfbb11657e20ed240590bf6ef0b
SHA256

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e
SHA512

704bdf6fb715d4b9579f6331e538c2bcdbea7b3c4541a1736838a632358fcbf3ca4070f6c5840636d3746507b7172332480b8669dbd602ea10662be54947e536
SSDEEP

12288:yiATy7mBkza8SK0Gs1QEqAXIMco0MbW4GkRklOVd4:lATh6ly1zXhcabWuklOb4

Score

10^/10

darkcomet hacked by mrchpap'persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

HaCkeD By mrChpap'

C2

misteryou.zapto.org:1604

Mutex

DC_MUTEX-ZEHUWKF

Attributes

InstallPath
SVCHOST\svchost.exe
gencode
0onH4gcghlfP
install
true
offline_keylogger
true
persistence
true
reg_key
svchost

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:

cvtres.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\SVCHOST\\svchost.exe"	cvtres.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2088 svchost.exe

pid	process
2088	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cvtres.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\SVCHOST\\svchost.exe"	cvtres.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

description	pid	process	target process
PID 4564 set thread context of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe

Drops file in Windows directory 2 IoCs

Processes:

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

Modifies registry class 1 IoCs

Processes:

cvtres.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ cvtres.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

pid process

4564 bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	cvtres.exe

pid	process
4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.execvtres.exe

description	pid	process
Token: SeDebugPrivilege	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe
Token: SeIncreaseQuotaPrivilege	2488	cvtres.exe
Token: SeSecurityPrivilege	2488	cvtres.exe
Token: SeTakeOwnershipPrivilege	2488	cvtres.exe
Token: SeLoadDriverPrivilege	2488	cvtres.exe
Token: SeSystemProfilePrivilege	2488	cvtres.exe
Token: SeSystemtimePrivilege	2488	cvtres.exe
Token: SeProfSingleProcessPrivilege	2488	cvtres.exe
Token: SeIncBasePriorityPrivilege	2488	cvtres.exe
Token: SeCreatePagefilePrivilege	2488	cvtres.exe
Token: SeBackupPrivilege	2488	cvtres.exe
Token: SeRestorePrivilege	2488	cvtres.exe
Token: SeShutdownPrivilege	2488	cvtres.exe
Token: SeDebugPrivilege	2488	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2488	cvtres.exe
Token: SeChangeNotifyPrivilege	2488	cvtres.exe
Token: SeRemoteShutdownPrivilege	2488	cvtres.exe
Token: SeUndockPrivilege	2488	cvtres.exe
Token: SeManageVolumePrivilege	2488	cvtres.exe
Token: SeImpersonatePrivilege	2488	cvtres.exe
Token: SeCreateGlobalPrivilege	2488	cvtres.exe
Token: 33	2488	cvtres.exe
Token: 34	2488	cvtres.exe
Token: 35	2488	cvtres.exe
Token: 36	2488	cvtres.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.execvtres.exe

description	pid	process	target process
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 4564 wrote to memory of 2488	4564	bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe	cvtres.exe
PID 2488 wrote to memory of 2088	2488	cvtres.exe	svchost.exe
PID 2488 wrote to memory of 2088	2488	cvtres.exe	svchost.exe
PID 2488 wrote to memory of 2088	2488	cvtres.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe
"C:\Users\Admin\AppData\Local\Temp\bdf46f94b451498f3680e952becb43849fab7b685677737d566a474a7c34e78e.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564

C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
2⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488

C:\SVCHOST\svchost.exe
"C:\SVCHOST\svchost.exe"
3⤵
- Executes dropped EXE
PID:2088

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\SVCHOST\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\SVCHOST\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/2088-139-0x0000000000000000-mapping.dmp

Download
memory/2488-134-0x0000000000000000-mapping.dmp

Download
memory/2488-135-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-136-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-137-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-138-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4564-132-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4564-133-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4564-142-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads