darkcomet | a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762a

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 00:51

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General

Target

a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Size

805KB
MD5

7b1b1cc0e6eefdf5ca5819b5a51336a0
SHA1

85cbb6deb81787e202d65543e3e6fd10805efa60
SHA256

a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762a
SHA512

e9a9ffd88ddeec0432c7270951c3c2f21427611181ac951bdbc546fd77edd0e416d5ea88acc62fef40ab1440a3f620864526b53348eff635a8170d4c23c71f51
SSDEEP

12288:x9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hLl:rZ1xuVVjfFoynPaVBUR8f+kN10EBL

Score

10^/10

darkcomet deneme discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Deneme

94.54.216.104:81

Mutex

DC_MUTEX-R63XF5V

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
zVBuCkW9HfLL
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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\\Desktop\\MSDCSC\\msdcsc.exe"	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2928	attrib.exe
2224	attrib.exe

Deletes itself 1 IoCs

pid	Process
2904	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe

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 8 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeSecurityPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeTakeOwnershipPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeLoadDriverPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeSystemProfilePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeSystemtimePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeProfSingleProcessPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeIncBasePriorityPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeCreatePagefilePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeBackupPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeRestorePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeShutdownPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeDebugPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeSystemEnvironmentPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeChangeNotifyPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeRemoteShutdownPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeUndockPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeManageVolumePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeImpersonatePrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeCreateGlobalPrivilege	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: 33	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: 34	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: 35	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
Token: SeIncreaseQuotaPrivilege	2644	msdcsc.exe
Token: SeSecurityPrivilege	2644	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2644	msdcsc.exe
Token: SeLoadDriverPrivilege	2644	msdcsc.exe
Token: SeSystemProfilePrivilege	2644	msdcsc.exe
Token: SeSystemtimePrivilege	2644	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2644	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2644	msdcsc.exe
Token: SeCreatePagefilePrivilege	2644	msdcsc.exe
Token: SeBackupPrivilege	2644	msdcsc.exe
Token: SeRestorePrivilege	2644	msdcsc.exe
Token: SeShutdownPrivilege	2644	msdcsc.exe
Token: SeDebugPrivilege	2644	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2644	msdcsc.exe
Token: SeChangeNotifyPrivilege	2644	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2644	msdcsc.exe
Token: SeUndockPrivilege	2644	msdcsc.exe
Token: SeManageVolumePrivilege	2644	msdcsc.exe
Token: SeImpersonatePrivilege	2644	msdcsc.exe
Token: SeCreateGlobalPrivilege	2644	msdcsc.exe
Token: 33	2644	msdcsc.exe
Token: 34	2644	msdcsc.exe
Token: 35	2644	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	msdcsc.exe

Suspicious use of WriteProcessMemory 61 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2480	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	31
PID 2612 wrote to memory of 2480	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	31
PID 2612 wrote to memory of 2480	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	31
PID 2612 wrote to memory of 2480	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	31
PID 2612 wrote to memory of 2792	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	33
PID 2612 wrote to memory of 2792	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	33
PID 2612 wrote to memory of 2792	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	33
PID 2612 wrote to memory of 2792	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	33
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2904	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	34
PID 2612 wrote to memory of 2644	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	36
PID 2612 wrote to memory of 2644	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	36
PID 2612 wrote to memory of 2644	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	36
PID 2612 wrote to memory of 2644	2612	a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe	36
PID 2480 wrote to memory of 2224	2480	cmd.exe	37
PID 2480 wrote to memory of 2224	2480	cmd.exe	37
PID 2480 wrote to memory of 2224	2480	cmd.exe	37
PID 2480 wrote to memory of 2224	2480	cmd.exe	37
PID 2792 wrote to memory of 2928	2792	cmd.exe	38
PID 2792 wrote to memory of 2928	2792	cmd.exe	38
PID 2792 wrote to memory of 2928	2792	cmd.exe	38
PID 2792 wrote to memory of 2928	2792	cmd.exe	38
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39
PID 2644 wrote to memory of 2676	2644	msdcsc.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2224	attrib.exe
2928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe
"C:\Users\Admin\AppData\Local\Temp\a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762aN.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2928
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2676

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

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

\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
805KB

MD5
7b1b1cc0e6eefdf5ca5819b5a51336a0

SHA1
85cbb6deb81787e202d65543e3e6fd10805efa60

SHA256
a75641edd3e29777eb3c2dbfd02d8f12411a9a9fd38dc44cc984f5cee162762a

SHA512
e9a9ffd88ddeec0432c7270951c3c2f21427611181ac951bdbc546fd77edd0e416d5ea88acc62fef40ab1440a3f620864526b53348eff635a8170d4c23c71f51

Download Submit
memory/2612-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2612-67-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2644-69-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2644-70-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2644-71-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2676-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2904-18-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads