darkcomet | 8c34ded6a1094a5de77491faf90251a8f397c0ce26fa50b116b6b08e76126e92

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 06:02

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General

Target

JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Size

660KB
MD5

6aa88ef80a9697880030311b05628d60
SHA1

7f1e09260ebc3cf88e5f64c13ab745621ed190f4
SHA256

8c34ded6a1094a5de77491faf90251a8f397c0ce26fa50b116b6b08e76126e92
SHA512

6edd5117b15bb810db9140bd02f010d75ca7bb1c618c7df8fe5aacf11436f38075e4109133db5959f7fb740d65f2ecbaf122b6f01bb27c8e69a556b8a998048f
SSDEEP

12288:UXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uf:CnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jv

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

teststudio.no-ip.org:1604

Mutex

DC_MUTEX-0ZEL9QS

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
CbiUN4cNhiJo
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:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	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
2324	attrib.exe
2696	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2316	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\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	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	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeSecurityPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeTakeOwnershipPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeLoadDriverPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeSystemProfilePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeSystemtimePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeProfSingleProcessPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeIncBasePriorityPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeCreatePagefilePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeBackupPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeRestorePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeShutdownPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeDebugPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeSystemEnvironmentPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeChangeNotifyPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeRemoteShutdownPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeUndockPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeManageVolumePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeImpersonatePrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeCreateGlobalPrivilege	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: 33	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: 34	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: 35	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
Token: SeIncreaseQuotaPrivilege	2316	msdcsc.exe
Token: SeSecurityPrivilege	2316	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2316	msdcsc.exe
Token: SeLoadDriverPrivilege	2316	msdcsc.exe
Token: SeSystemProfilePrivilege	2316	msdcsc.exe
Token: SeSystemtimePrivilege	2316	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2316	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2316	msdcsc.exe
Token: SeCreatePagefilePrivilege	2316	msdcsc.exe
Token: SeBackupPrivilege	2316	msdcsc.exe
Token: SeRestorePrivilege	2316	msdcsc.exe
Token: SeShutdownPrivilege	2316	msdcsc.exe
Token: SeDebugPrivilege	2316	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2316	msdcsc.exe
Token: SeChangeNotifyPrivilege	2316	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2316	msdcsc.exe
Token: SeUndockPrivilege	2316	msdcsc.exe
Token: SeManageVolumePrivilege	2316	msdcsc.exe
Token: SeImpersonatePrivilege	2316	msdcsc.exe
Token: SeCreateGlobalPrivilege	2316	msdcsc.exe
Token: 33	2316	msdcsc.exe
Token: 34	2316	msdcsc.exe
Token: 35	2316	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2316	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2400	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	30
PID 2116 wrote to memory of 2400	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	30
PID 2116 wrote to memory of 2400	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	30
PID 2116 wrote to memory of 2400	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	30
PID 2116 wrote to memory of 2372	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	31
PID 2116 wrote to memory of 2372	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	31
PID 2116 wrote to memory of 2372	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	31
PID 2116 wrote to memory of 2372	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	31
PID 2372 wrote to memory of 2324	2372	cmd.exe	34
PID 2372 wrote to memory of 2324	2372	cmd.exe	34
PID 2372 wrote to memory of 2324	2372	cmd.exe	34
PID 2372 wrote to memory of 2324	2372	cmd.exe	34
PID 2400 wrote to memory of 2696	2400	cmd.exe	35
PID 2400 wrote to memory of 2696	2400	cmd.exe	35
PID 2400 wrote to memory of 2696	2400	cmd.exe	35
PID 2400 wrote to memory of 2696	2400	cmd.exe	35
PID 2116 wrote to memory of 2316	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	36
PID 2116 wrote to memory of 2316	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	36
PID 2116 wrote to memory of 2316	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	36
PID 2116 wrote to memory of 2316	2116	JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe	36
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37
PID 2316 wrote to memory of 2880	2316	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2696	attrib.exe
2324	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aa88ef80a9697880030311b05628d60.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:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6aa88ef80a9697880030311b05628d60.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2696
- 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:2372
- - 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:2324
- C:\MSDCSC\msdcsc.exe
  "C:\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - 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:2316
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2880

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 System Firewall

T1562.004

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\msdcsc.exe

Filesize
660KB

MD5
6aa88ef80a9697880030311b05628d60

SHA1
7f1e09260ebc3cf88e5f64c13ab745621ed190f4

SHA256
8c34ded6a1094a5de77491faf90251a8f397c0ce26fa50b116b6b08e76126e92

SHA512
6edd5117b15bb810db9140bd02f010d75ca7bb1c618c7df8fe5aacf11436f38075e4109133db5959f7fb740d65f2ecbaf122b6f01bb27c8e69a556b8a998048f

Download Submit
memory/2116-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2116-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2316-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2880-13-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2880-51-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads