darkcomet | 627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00

Resubmissions

15-12-2024 23:12

241215-266f5stlek 10

15-12-2024 23:08

241215-24z7ca1qcs 10

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 23:08

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General

Target

627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Size

923KB
MD5

eae8a05fffd6b4114e5d70c1b4535020
SHA1

39bb907ee415df3bd1a880c5ffeddb739b059d79
SHA256

627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00
SHA512

a0a8a557e0c44d53deefeb83d5b3d0e7834e3b2219ec06de11062dced32e29cf4fc2e24c97689e1b8e823ed85dfae054157d496e219835a87de88ba395cc9b6d
SSDEEP

24576:Ro2zJs0c7HR29rZXig2kNIKAmvC+Cq5j:Hco9ggFN7L

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

quenlol.no-ip.biz:127

Mutex

DCMIN_MUTEX-PRAANXA

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
JFuSyZ60x02G
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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"	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe

Executes dropped EXE 2 IoCs

pid	Process
3836	IMDCSC.exe
3696	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 3836 set thread context of 3696	3836	IMDCSC.exe	87

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeSecurityPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeTakeOwnershipPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeLoadDriverPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeSystemProfilePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeSystemtimePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeProfSingleProcessPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeIncBasePriorityPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeCreatePagefilePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeBackupPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeRestorePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeShutdownPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeDebugPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeSystemEnvironmentPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeChangeNotifyPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeRemoteShutdownPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeUndockPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeManageVolumePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeImpersonatePrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeCreateGlobalPrivilege	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: 33	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: 34	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: 35	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: 36	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
Token: SeIncreaseQuotaPrivilege	3696	IMDCSC.exe
Token: SeSecurityPrivilege	3696	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	3696	IMDCSC.exe
Token: SeLoadDriverPrivilege	3696	IMDCSC.exe
Token: SeSystemProfilePrivilege	3696	IMDCSC.exe
Token: SeSystemtimePrivilege	3696	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	3696	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	3696	IMDCSC.exe
Token: SeCreatePagefilePrivilege	3696	IMDCSC.exe
Token: SeBackupPrivilege	3696	IMDCSC.exe
Token: SeRestorePrivilege	3696	IMDCSC.exe
Token: SeShutdownPrivilege	3696	IMDCSC.exe
Token: SeDebugPrivilege	3696	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	3696	IMDCSC.exe
Token: SeChangeNotifyPrivilege	3696	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	3696	IMDCSC.exe
Token: SeUndockPrivilege	3696	IMDCSC.exe
Token: SeManageVolumePrivilege	3696	IMDCSC.exe
Token: SeImpersonatePrivilege	3696	IMDCSC.exe
Token: SeCreateGlobalPrivilege	3696	IMDCSC.exe
Token: 33	3696	IMDCSC.exe
Token: 34	3696	IMDCSC.exe
Token: 35	3696	IMDCSC.exe
Token: 36	3696	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3696	IMDCSC.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 1608 wrote to memory of 2940	1608	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	85
PID 2940 wrote to memory of 3836	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	86
PID 2940 wrote to memory of 3836	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	86
PID 2940 wrote to memory of 3836	2940	627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe	86
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87
PID 3836 wrote to memory of 3696	3836	IMDCSC.exe	87

C:\Users\Admin\AppData\Local\Temp\627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
"C:\Users\Admin\AppData\Local\Temp\627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
  C:\Users\Admin\AppData\Local\Temp\627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00N.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3836
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
923KB

MD5
eae8a05fffd6b4114e5d70c1b4535020

SHA1
39bb907ee415df3bd1a880c5ffeddb739b059d79

SHA256
627665c1194f64deddc23172808affe3be158d789fadd21a578aacf365e95c00

SHA512
a0a8a557e0c44d53deefeb83d5b3d0e7834e3b2219ec06de11062dced32e29cf4fc2e24c97689e1b8e823ed85dfae054157d496e219835a87de88ba395cc9b6d

Download Submit
memory/1608-11-0x0000000000600000-0x00000000006EE000-memory.dmp

Filesize
952KB

Download
memory/2940-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-14-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2940-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3696-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3696-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3696-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3696-41-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3696-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3836-40-0x0000000000600000-0x00000000006EE000-memory.dmp

Filesize
952KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads