darkcomet | bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 19:42

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General

Target

e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Size

756KB
MD5

e2ef2e2e93e39f45d6c32e320e51f878
SHA1

441dabb1e1e3ea6c6106d3c7a9d1f1ab3686b6b1
SHA256

bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9
SHA512

bafe74da5bbdbf8d6ef0045f2a583c0976f2be3ff954dd163c8d533611eb4b6abaa002195dcd3cf722690858437a991bb5c2d671f4bebbaadb642c71cd75317d
SSDEEP

12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hmbR:uZ1xuVVjfFoynPaVBUR8f+kN10EB4F

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-2BVSTNT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
A3bMQgDXsfWU
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\\Documents\\MSDCSC\\msdcsc.exe"	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

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
2736	attrib.exe
2596	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.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\\Documents\\MSDCSC\\msdcsc.exe"	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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 7 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	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	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2272	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSecurityPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemtimePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeBackupPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeRestorePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeShutdownPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeDebugPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeUndockPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeManageVolumePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeImpersonatePrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 33	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 34	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: 35	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2272	msdcsc.exe
Token: SeSecurityPrivilege	2272	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2272	msdcsc.exe
Token: SeLoadDriverPrivilege	2272	msdcsc.exe
Token: SeSystemProfilePrivilege	2272	msdcsc.exe
Token: SeSystemtimePrivilege	2272	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2272	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2272	msdcsc.exe
Token: SeCreatePagefilePrivilege	2272	msdcsc.exe
Token: SeBackupPrivilege	2272	msdcsc.exe
Token: SeRestorePrivilege	2272	msdcsc.exe
Token: SeShutdownPrivilege	2272	msdcsc.exe
Token: SeDebugPrivilege	2272	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2272	msdcsc.exe
Token: SeChangeNotifyPrivilege	2272	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2272	msdcsc.exe
Token: SeUndockPrivilege	2272	msdcsc.exe
Token: SeManageVolumePrivilege	2272	msdcsc.exe
Token: SeImpersonatePrivilege	2272	msdcsc.exe
Token: SeCreateGlobalPrivilege	2272	msdcsc.exe
Token: 33	2272	msdcsc.exe
Token: 34	2272	msdcsc.exe
Token: 35	2272	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2272	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2724	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	30
PID 876 wrote to memory of 2724	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	30
PID 876 wrote to memory of 2724	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	30
PID 876 wrote to memory of 2724	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	30
PID 876 wrote to memory of 2728	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	31
PID 876 wrote to memory of 2728	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	31
PID 876 wrote to memory of 2728	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	31
PID 876 wrote to memory of 2728	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2596	2728	cmd.exe	34
PID 2728 wrote to memory of 2596	2728	cmd.exe	34
PID 2728 wrote to memory of 2596	2728	cmd.exe	34
PID 2728 wrote to memory of 2596	2728	cmd.exe	34
PID 2724 wrote to memory of 2736	2724	cmd.exe	35
PID 2724 wrote to memory of 2736	2724	cmd.exe	35
PID 2724 wrote to memory of 2736	2724	cmd.exe	35
PID 2724 wrote to memory of 2736	2724	cmd.exe	35
PID 876 wrote to memory of 2272	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	36
PID 876 wrote to memory of 2272	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	36
PID 876 wrote to memory of 2272	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	36
PID 876 wrote to memory of 2272	876	e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe	36
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37
PID 2272 wrote to memory of 3044	2272	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2736	attrib.exe
2596	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.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:876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\e2ef2e2e93e39f45d6c32e320e51f878_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2736
- 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:2728
- - 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:2596
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3044

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\Documents\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
e2ef2e2e93e39f45d6c32e320e51f878

SHA1
441dabb1e1e3ea6c6106d3c7a9d1f1ab3686b6b1

SHA256
bf95c38752543266aa60388f7adb5298523e02eccce8349876e92ccaf36fa6e9

SHA512
bafe74da5bbdbf8d6ef0045f2a583c0976f2be3ff954dd163c8d533611eb4b6abaa002195dcd3cf722690858437a991bb5c2d671f4bebbaadb642c71cd75317d

Download Submit
memory/876-51-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/876-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2272-59-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-55-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-60-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-61-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-63-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-64-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2272-65-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3044-50-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3044-12-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads