darkcomet | 50fb26660e3e27515aeabfa0faa1a32a407e704700960cac1c8cb90362396a87

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
23/02/2025, 06:16

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General

Target

JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Size

1.3MB
MD5

1efdb83714007108190f2944d1daf62a
SHA1

64b18fd6f491158e4376192c4a8f49a48afc6cb7
SHA256

50fb26660e3e27515aeabfa0faa1a32a407e704700960cac1c8cb90362396a87
SHA512

70dcb2fff90d5a746c9aa1eaa5a03a8c5fad3dcdaf0226a5cb83a4160191dbcdb445541df3291cff9de1899a24f6ad023eb421bc833c709cdd9c3415b94c2eb1
SSDEEP

24576:Ob90u0wwuFQZfpcYRzCL8VlJuxHQ6YqJoJ4Sa6N1vvKht4Wji3GaHr:xwwiOBzJmYqJu4SaOa6GaHr

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

baxbax2.myftp.org:1604

Mutex

DC_MUTEX-12KF4QC

Attributes

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

rc4.plain

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:\\Windows\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe

Modifies firewall policy service 3 TTPs 3 IoCs

defense_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

Executes dropped EXE 2 IoCs

pid	Process
2792	msdcsc.exe
2940	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2600 set thread context of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2792 set thread context of 2940	2792	msdcsc.exe	33

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\MSDCSC\msdcsc.exe	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
File opened for modification	C:\Windows\MSDCSC\msdcsc.exe	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
File opened for modification	C:\Windows\MSDCSC\	JaffaCakes118_1efdb83714007108190f2944d1daf62a.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 4 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_1efdb83714007108190f2944d1daf62a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2940	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeSecurityPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeTakeOwnershipPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeLoadDriverPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeSystemProfilePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeSystemtimePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeProfSingleProcessPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeIncBasePriorityPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeCreatePagefilePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeBackupPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeRestorePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeShutdownPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeDebugPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeSystemEnvironmentPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeChangeNotifyPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeRemoteShutdownPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeUndockPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeManageVolumePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeImpersonatePrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeCreateGlobalPrivilege	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: 33	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: 34	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: 35	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
Token: SeIncreaseQuotaPrivilege	2940	msdcsc.exe
Token: SeSecurityPrivilege	2940	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2940	msdcsc.exe
Token: SeLoadDriverPrivilege	2940	msdcsc.exe
Token: SeSystemProfilePrivilege	2940	msdcsc.exe
Token: SeSystemtimePrivilege	2940	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2940	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2940	msdcsc.exe
Token: SeCreatePagefilePrivilege	2940	msdcsc.exe
Token: SeBackupPrivilege	2940	msdcsc.exe
Token: SeRestorePrivilege	2940	msdcsc.exe
Token: SeShutdownPrivilege	2940	msdcsc.exe
Token: SeDebugPrivilege	2940	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2940	msdcsc.exe
Token: SeChangeNotifyPrivilege	2940	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2940	msdcsc.exe
Token: SeUndockPrivilege	2940	msdcsc.exe
Token: SeManageVolumePrivilege	2940	msdcsc.exe
Token: SeImpersonatePrivilege	2940	msdcsc.exe
Token: SeCreateGlobalPrivilege	2940	msdcsc.exe
Token: 33	2940	msdcsc.exe
Token: 34	2940	msdcsc.exe
Token: 35	2940	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
2792	msdcsc.exe
2792	msdcsc.exe
2940	msdcsc.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2600 wrote to memory of 2316	2600	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	30
PID 2316 wrote to memory of 2792	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	32
PID 2316 wrote to memory of 2792	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	32
PID 2316 wrote to memory of 2792	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	32
PID 2316 wrote to memory of 2792	2316	JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe	32
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33
PID 2792 wrote to memory of 2940	2792	msdcsc.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1efdb83714007108190f2944d1daf62a.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\MSDCSC\msdcsc.exe
    "C:\Windows\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2792
  - - C:\Windows\MSDCSC\msdcsc.exe
      C:\Windows\MSDCSC\msdcsc.exe
      4⤵
      Modifies firewall policy service
      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
      PID:2940

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 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

\Windows\MSDCSC\msdcsc.exe

Filesize
1.3MB

MD5
1efdb83714007108190f2944d1daf62a

SHA1
64b18fd6f491158e4376192c4a8f49a48afc6cb7

SHA256
50fb26660e3e27515aeabfa0faa1a32a407e704700960cac1c8cb90362396a87

SHA512
70dcb2fff90d5a746c9aa1eaa5a03a8c5fad3dcdaf0226a5cb83a4160191dbcdb445541df3291cff9de1899a24f6ad023eb421bc833c709cdd9c3415b94c2eb1

Download Submit
memory/2316-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-24-0x00000000052D0000-0x000000000562D000-memory.dmp

Filesize
3.4MB

Download
memory/2316-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2600-10-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2600-0-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2600-3-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2600-2-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2600-11-0x0000000003D20000-0x000000000407D000-memory.dmp

Filesize
3.4MB

Download
memory/2792-38-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2792-30-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2792-29-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2940-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-50-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2940-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads