darkcomet | dfaed96e635d23ca05a5e519dc22a42ad402d87c3a4d3fb7c8eeb59b33ec51b2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 10:27

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General

Target

JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe
Size

981KB
MD5

6bfab82c98c97d6ada7150408ff06bcb
SHA1

97c04b2cc70b3fb5636574af4285fd2e99ca6d4d
SHA256

dfaed96e635d23ca05a5e519dc22a42ad402d87c3a4d3fb7c8eeb59b33ec51b2
SHA512

d8ae3a92b2181c58ab8f89a123d68a56fc994c6a6a452d55e2687c217c1ef6cd40858a2ca3796ec771d8c819b5a64411f7fb4386377e8e41b29bfe439a00f078
SSDEEP

24576:41WyPE/CbyPsukLi5V7DWpr2iVHF4AmGy2WecyP6Rp:qjuP5kG5V7DSyCJmGy2+dp

Score

10^/10

darkcomet öæìé discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÖæÌÉ

dodohero.no-ip.org:1604

Mutex

DC_MUTEX-UDJFLFP

Attributes

InstallPath
sass\msdcsc.exe
gencode
NJ3MUoHwVAFj
install
true
offline_keylogger
false
persistence
true
reg_key
sass

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:\\sass\\msdcsc.exe"	facebook v3.0.1.exe

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	iexplore.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Checks computer location settings 2 TTPs 2 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	facebook v3.0.1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe

Executes dropped EXE 3 IoCs

pid	Process
4116	sheren.exe
4824	facebook v3.0.1.exe
4576	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sass = "C:\\sass\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sass = "C:\\sass\\msdcsc.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sass = "C:\\sass\\msdcsc.exe"	facebook v3.0.1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4576 set thread context of 3288	4576	msdcsc.exe	88

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 6 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sheren.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	facebook v3.0.1.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	facebook v3.0.1.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4824	facebook v3.0.1.exe
Token: SeSecurityPrivilege	4824	facebook v3.0.1.exe
Token: SeTakeOwnershipPrivilege	4824	facebook v3.0.1.exe
Token: SeLoadDriverPrivilege	4824	facebook v3.0.1.exe
Token: SeSystemProfilePrivilege	4824	facebook v3.0.1.exe
Token: SeSystemtimePrivilege	4824	facebook v3.0.1.exe
Token: SeProfSingleProcessPrivilege	4824	facebook v3.0.1.exe
Token: SeIncBasePriorityPrivilege	4824	facebook v3.0.1.exe
Token: SeCreatePagefilePrivilege	4824	facebook v3.0.1.exe
Token: SeBackupPrivilege	4824	facebook v3.0.1.exe
Token: SeRestorePrivilege	4824	facebook v3.0.1.exe
Token: SeShutdownPrivilege	4824	facebook v3.0.1.exe
Token: SeDebugPrivilege	4824	facebook v3.0.1.exe
Token: SeSystemEnvironmentPrivilege	4824	facebook v3.0.1.exe
Token: SeChangeNotifyPrivilege	4824	facebook v3.0.1.exe
Token: SeRemoteShutdownPrivilege	4824	facebook v3.0.1.exe
Token: SeUndockPrivilege	4824	facebook v3.0.1.exe
Token: SeManageVolumePrivilege	4824	facebook v3.0.1.exe
Token: SeImpersonatePrivilege	4824	facebook v3.0.1.exe
Token: SeCreateGlobalPrivilege	4824	facebook v3.0.1.exe
Token: 33	4824	facebook v3.0.1.exe
Token: 34	4824	facebook v3.0.1.exe
Token: 35	4824	facebook v3.0.1.exe
Token: 36	4824	facebook v3.0.1.exe
Token: SeIncreaseQuotaPrivilege	4576	msdcsc.exe
Token: SeSecurityPrivilege	4576	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4576	msdcsc.exe
Token: SeLoadDriverPrivilege	4576	msdcsc.exe
Token: SeSystemProfilePrivilege	4576	msdcsc.exe
Token: SeSystemtimePrivilege	4576	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4576	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4576	msdcsc.exe
Token: SeCreatePagefilePrivilege	4576	msdcsc.exe
Token: SeBackupPrivilege	4576	msdcsc.exe
Token: SeRestorePrivilege	4576	msdcsc.exe
Token: SeShutdownPrivilege	4576	msdcsc.exe
Token: SeDebugPrivilege	4576	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4576	msdcsc.exe
Token: SeChangeNotifyPrivilege	4576	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4576	msdcsc.exe
Token: SeUndockPrivilege	4576	msdcsc.exe
Token: SeManageVolumePrivilege	4576	msdcsc.exe
Token: SeImpersonatePrivilege	4576	msdcsc.exe
Token: SeCreateGlobalPrivilege	4576	msdcsc.exe
Token: 33	4576	msdcsc.exe
Token: 34	4576	msdcsc.exe
Token: 35	4576	msdcsc.exe
Token: 36	4576	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	3288	iexplore.exe
Token: SeSecurityPrivilege	3288	iexplore.exe
Token: SeTakeOwnershipPrivilege	3288	iexplore.exe
Token: SeLoadDriverPrivilege	3288	iexplore.exe
Token: SeSystemProfilePrivilege	3288	iexplore.exe
Token: SeSystemtimePrivilege	3288	iexplore.exe
Token: SeProfSingleProcessPrivilege	3288	iexplore.exe
Token: SeIncBasePriorityPrivilege	3288	iexplore.exe
Token: SeCreatePagefilePrivilege	3288	iexplore.exe
Token: SeBackupPrivilege	3288	iexplore.exe
Token: SeRestorePrivilege	3288	iexplore.exe
Token: SeShutdownPrivilege	3288	iexplore.exe
Token: SeDebugPrivilege	3288	iexplore.exe
Token: SeSystemEnvironmentPrivilege	3288	iexplore.exe
Token: SeChangeNotifyPrivilege	3288	iexplore.exe
Token: SeRemoteShutdownPrivilege	3288	iexplore.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4116	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	83
PID 4904 wrote to memory of 4116	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	83
PID 4904 wrote to memory of 4116	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	83
PID 4904 wrote to memory of 4824	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	84
PID 4904 wrote to memory of 4824	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	84
PID 4904 wrote to memory of 4824	4904	JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe	84
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4944	4824	facebook v3.0.1.exe	86
PID 4824 wrote to memory of 4576	4824	facebook v3.0.1.exe	87
PID 4824 wrote to memory of 4576	4824	facebook v3.0.1.exe	87
PID 4824 wrote to memory of 4576	4824	facebook v3.0.1.exe	87
PID 4576 wrote to memory of 3288	4576	msdcsc.exe	88
PID 4576 wrote to memory of 3288	4576	msdcsc.exe	88
PID 4576 wrote to memory of 3288	4576	msdcsc.exe	88
PID 4576 wrote to memory of 3288	4576	msdcsc.exe	88
PID 4576 wrote to memory of 3288	4576	msdcsc.exe	88

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bfab82c98c97d6ada7150408ff06bcb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4904
- C:\sheren.exe
  "C:\sheren.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\facebook v3.0.1.exe
  "C:\facebook v3.0.1.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4944
- - C:\sass\msdcsc.exe
    "C:\sass\msdcsc.exe"
    3⤵
    - Modifies security service
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:4576
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Modifies security service
      Windows security bypass
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:3288

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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:\facebook v3.0.1.exe

Filesize
756KB

MD5
a71e82587ff3203228d322d79e88235a

SHA1
84dd360b0961a9a4e2ac22b3c4c0890e5261035f

SHA256
ac58af7e2326b52ba4184a76ed4ff73986a210e7a30e96f4af5f1c2b6e236d4b

SHA512
2fcad84c7d2d2ca6990d26d90a76ea2f80e3468aac96b96f0b6705d3236ff4ac3aee478ae5a6075db1d7c3f434d06383c6f4546caf4c0e13a545746e77ddfbe6

Download Submit
C:\sheren.exe

Filesize
172KB

MD5
1af19d100f940ce5cd7403cc6b2fa723

SHA1
6a31d72e1075732ffe0122f801ead2e83d2b5806

SHA256
b3d8b969f52f4964c897fa43bbb7e0e197456527479250692b2f8aceefb045e8

SHA512
0513535481d1313b5e762fdcba550e858016221c262c46f3405fd7585bb4da44fa0caa43695fcb8c8e9c8a272368d3d11ecb970286f575a3799e795c05f8739b

Download Submit
memory/3288-91-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4116-23-0x00000000738F2000-0x00000000738F3000-memory.dmp

Filesize
4KB

Download
memory/4116-24-0x00000000738F0000-0x0000000073EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4116-26-0x00000000738F0000-0x0000000073EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4116-29-0x00000000738F0000-0x0000000073EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4576-92-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4824-27-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/4824-30-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4824-93-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4904-22-0x0000000010000000-0x00000000100FE000-memory.dmp

Filesize
1016KB

Download
memory/4944-32-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads