darkcomet | dc7076f7ba617070a45a95afa525081be04c16ded1891e9a7f9f9d62821bf92b

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/01/2025, 05:02

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General

Target

JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Size

690KB
MD5

481941160ae79c2c2b1dc4e7b0ea03b0
SHA1

571fb0b36eaf8337d87616bd7ff32fcdd9bc1f8b
SHA256

dc7076f7ba617070a45a95afa525081be04c16ded1891e9a7f9f9d62821bf92b
SHA512

59c52738709a8b6ac27305c09d9263b401359e06febc06e3c40c300460b3cfe00b9a7e8996a5ed4d3013a9332d6759651ad05f7af31cd6cccd2970caa4fb3a63
SSDEEP

12288:J9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hxd:TZ1xuVVjfFoynPaVBUR8f+kN10EBR

Score

10^/10

darkcomet essai modif discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

essai modif

64.251.22.13:1604

Mutex

DC_MUTEX-K52KM0N

Attributes

InstallPath
msdcsc.exe
gencode
PpkduD0BNJak
install
true
offline_keylogger
true
persistence
true
reg_key
Microsoft

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:\\msdcsc.exe"	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe

Modifies security service 2 TTPs 1 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

Windows security bypass 2 TTPs 1 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

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
2756	attrib.exe
2564	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2128	msdcsc.exe

Windows security modification 2 TTPs 1 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

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\msdcsc.exe"	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\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 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	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeSecurityPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeTakeOwnershipPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeLoadDriverPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeSystemProfilePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeSystemtimePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeProfSingleProcessPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeIncBasePriorityPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeCreatePagefilePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeBackupPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeRestorePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeShutdownPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeDebugPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeSystemEnvironmentPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeChangeNotifyPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeRemoteShutdownPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeUndockPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeManageVolumePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeImpersonatePrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeCreateGlobalPrivilege	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: 33	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: 34	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: 35	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
Token: SeIncreaseQuotaPrivilege	2128	msdcsc.exe
Token: SeSecurityPrivilege	2128	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2128	msdcsc.exe
Token: SeLoadDriverPrivilege	2128	msdcsc.exe
Token: SeSystemProfilePrivilege	2128	msdcsc.exe
Token: SeSystemtimePrivilege	2128	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2128	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2128	msdcsc.exe
Token: SeCreatePagefilePrivilege	2128	msdcsc.exe
Token: SeBackupPrivilege	2128	msdcsc.exe
Token: SeRestorePrivilege	2128	msdcsc.exe
Token: SeShutdownPrivilege	2128	msdcsc.exe
Token: SeDebugPrivilege	2128	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2128	msdcsc.exe
Token: SeChangeNotifyPrivilege	2128	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2128	msdcsc.exe
Token: SeUndockPrivilege	2128	msdcsc.exe
Token: SeManageVolumePrivilege	2128	msdcsc.exe
Token: SeImpersonatePrivilege	2128	msdcsc.exe
Token: SeCreateGlobalPrivilege	2128	msdcsc.exe
Token: 33	2128	msdcsc.exe
Token: 34	2128	msdcsc.exe
Token: 35	2128	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2800	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	31
PID 2248 wrote to memory of 2800	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	31
PID 2248 wrote to memory of 2800	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	31
PID 2248 wrote to memory of 2800	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	31
PID 2248 wrote to memory of 2804	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	32
PID 2248 wrote to memory of 2804	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	32
PID 2248 wrote to memory of 2804	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	32
PID 2248 wrote to memory of 2804	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	32
PID 2804 wrote to memory of 2756	2804	cmd.exe	35
PID 2800 wrote to memory of 2564	2800	cmd.exe	36
PID 2804 wrote to memory of 2756	2804	cmd.exe	35
PID 2800 wrote to memory of 2564	2800	cmd.exe	36
PID 2804 wrote to memory of 2756	2804	cmd.exe	35
PID 2800 wrote to memory of 2564	2800	cmd.exe	36
PID 2804 wrote to memory of 2756	2804	cmd.exe	35
PID 2800 wrote to memory of 2564	2800	cmd.exe	36
PID 2248 wrote to memory of 2128	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	37
PID 2248 wrote to memory of 2128	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	37
PID 2248 wrote to memory of 2128	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	37
PID 2248 wrote to memory of 2128	2248	JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe	37

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

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

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2564	attrib.exe
2756	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_481941160ae79c2c2b1dc4e7b0ea03b0.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2564
- 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:2804
- - 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:2756
- C:\msdcsc.exe
  "C:\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2128

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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

C:\msdcsc.exe

Filesize
690KB

MD5
481941160ae79c2c2b1dc4e7b0ea03b0

SHA1
571fb0b36eaf8337d87616bd7ff32fcdd9bc1f8b

SHA256
dc7076f7ba617070a45a95afa525081be04c16ded1891e9a7f9f9d62821bf92b

SHA512
59c52738709a8b6ac27305c09d9263b401359e06febc06e3c40c300460b3cfe00b9a7e8996a5ed4d3013a9332d6759651ad05f7af31cd6cccd2970caa4fb3a63

Download Submit
memory/2128-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2128-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2128-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2248-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2248-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads