darkcomet | de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f

Analysis

max time kernel
152s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:54

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General

Target

de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Size

659KB
MD5

88a08e03244386ad4044b52d05863cf8
SHA1

094aacac64a069e3fae53c7b866041f81f5da951
SHA256

de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f
SHA512

0e0c62044c473ab4407c88613056fec379cca114cab3dcd0926d0aee5cf69ccaa340ec0255261a017a2afb7d8ff0b0cdd854e16f399142e16b40160234f33d74
SSDEEP

12288:G9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:iZ1xuVVjfFoynPaVBUR8f+kN10EBA

Score

10^/10

darkcomet guest-2 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest-2

root-server.no-ip.biz:4444

Mutex

DC_MUTEX-MUT9FNF

Attributes

InstallPath
svechost.exe
gencode
sqSXDrf2rKig
install
true
offline_keylogger
true
persistence
true
reg_key
Svechost.exe

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\svechost.exe"	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svechost.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	svechost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svechost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svechost.exe = "C:\\svechost.exe"	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svechost.exe = "C:\\svechost.exe"	svechost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeSecurityPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeTakeOwnershipPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeLoadDriverPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeSystemProfilePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeSystemtimePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeProfSingleProcessPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeIncBasePriorityPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeCreatePagefilePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeBackupPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeRestorePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeShutdownPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeDebugPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeSystemEnvironmentPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeChangeNotifyPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeRemoteShutdownPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeUndockPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeManageVolumePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeImpersonatePrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeCreateGlobalPrivilege	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: 33	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: 34	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: 35	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: 36	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
Token: SeIncreaseQuotaPrivilege	3008	svechost.exe
Token: SeSecurityPrivilege	3008	svechost.exe
Token: SeTakeOwnershipPrivilege	3008	svechost.exe
Token: SeLoadDriverPrivilege	3008	svechost.exe
Token: SeSystemProfilePrivilege	3008	svechost.exe
Token: SeSystemtimePrivilege	3008	svechost.exe
Token: SeProfSingleProcessPrivilege	3008	svechost.exe
Token: SeIncBasePriorityPrivilege	3008	svechost.exe
Token: SeCreatePagefilePrivilege	3008	svechost.exe
Token: SeBackupPrivilege	3008	svechost.exe
Token: SeRestorePrivilege	3008	svechost.exe
Token: SeShutdownPrivilege	3008	svechost.exe
Token: SeDebugPrivilege	3008	svechost.exe
Token: SeSystemEnvironmentPrivilege	3008	svechost.exe
Token: SeChangeNotifyPrivilege	3008	svechost.exe
Token: SeRemoteShutdownPrivilege	3008	svechost.exe
Token: SeUndockPrivilege	3008	svechost.exe
Token: SeManageVolumePrivilege	3008	svechost.exe
Token: SeImpersonatePrivilege	3008	svechost.exe
Token: SeCreateGlobalPrivilege	3008	svechost.exe
Token: 33	3008	svechost.exe
Token: 34	3008	svechost.exe
Token: 35	3008	svechost.exe
Token: 36	3008	svechost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3008	svechost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 2372	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	83
PID 3408 wrote to memory of 3008	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	84
PID 3408 wrote to memory of 3008	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	84
PID 3408 wrote to memory of 3008	3408	de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe	84

C:\Users\Admin\AppData\Local\Temp\de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe
"C:\Users\Admin\AppData\Local\Temp\de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  PID:2372
- C:\svechost.exe
  "C:\svechost.exe"
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\svechost.exe

Filesize
659KB

MD5
88a08e03244386ad4044b52d05863cf8

SHA1
094aacac64a069e3fae53c7b866041f81f5da951

SHA256
de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f

SHA512
0e0c62044c473ab4407c88613056fec379cca114cab3dcd0926d0aee5cf69ccaa340ec0255261a017a2afb7d8ff0b0cdd854e16f399142e16b40160234f33d74

Download Submit
C:\svechost.exe

Filesize
659KB

MD5
88a08e03244386ad4044b52d05863cf8

SHA1
094aacac64a069e3fae53c7b866041f81f5da951

SHA256
de5f09e0a1c8231b06860149cb8701b692925b45c51437812bcbad4d3171369f

SHA512
0e0c62044c473ab4407c88613056fec379cca114cab3dcd0926d0aee5cf69ccaa340ec0255261a017a2afb7d8ff0b0cdd854e16f399142e16b40160234f33d74

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads