darkcomet | 0ecfd6719166c4fd8e6eb23e41916b9c4f6980ad569a949496c96e5071a983a7

Analysis

max time kernel
22s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 11:57

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General

Target

b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Size

830KB
MD5

b35e2600d6f1b1bc8a658e32e4c8a5af
SHA1

b08985c46fe68ee1b606675e202ace7313157a26
SHA256

0ecfd6719166c4fd8e6eb23e41916b9c4f6980ad569a949496c96e5071a983a7
SHA512

67abc6d3faecab9878bdfcfb335d46090c51033a2d65aeb5f9b13c0a059c0b1a2445f1487f0f51f0c2c68638b712ba41fd3152cb8ce3bb843b9fcd540234a8cf
SSDEEP

12288:hAfRJ/lS0crSUCUagoZegeyKb1rwgDDheH9D2raw8mXhh5mM3K8AVapT:C/lSYFUGuhehwpXZ+8d

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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:\\JavaRE\\bin\\Java.exe"	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2468	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	Java.exe
2696	Java.exe

Loads dropped DLL 3 IoCs

pid	Process
2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
2128	Java.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\JavaRE\\bin\\Java.exe"	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2128 set thread context of 2696	2128	Java.exe	36

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Java.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Java.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2468	cmd.exe
2832	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2832	PING.EXE

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeSecurityPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeBackupPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeRestorePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeShutdownPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeDebugPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeUndockPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: 33	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: 34	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: 35	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2696	Java.exe
Token: SeSecurityPrivilege	2696	Java.exe
Token: SeTakeOwnershipPrivilege	2696	Java.exe
Token: SeLoadDriverPrivilege	2696	Java.exe
Token: SeSystemProfilePrivilege	2696	Java.exe
Token: SeSystemtimePrivilege	2696	Java.exe
Token: SeProfSingleProcessPrivilege	2696	Java.exe
Token: SeIncBasePriorityPrivilege	2696	Java.exe
Token: SeCreatePagefilePrivilege	2696	Java.exe
Token: SeBackupPrivilege	2696	Java.exe
Token: SeRestorePrivilege	2696	Java.exe
Token: SeShutdownPrivilege	2696	Java.exe
Token: SeDebugPrivilege	2696	Java.exe
Token: SeSystemEnvironmentPrivilege	2696	Java.exe
Token: SeChangeNotifyPrivilege	2696	Java.exe
Token: SeRemoteShutdownPrivilege	2696	Java.exe
Token: SeUndockPrivilege	2696	Java.exe
Token: SeManageVolumePrivilege	2696	Java.exe
Token: SeImpersonatePrivilege	2696	Java.exe
Token: SeCreateGlobalPrivilege	2696	Java.exe
Token: 33	2696	Java.exe
Token: 34	2696	Java.exe
Token: 35	2696	Java.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
2128	Java.exe
2696	Java.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2960	2980	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	31
PID 2960 wrote to memory of 2128	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	32
PID 2960 wrote to memory of 2128	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	32
PID 2960 wrote to memory of 2128	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	32
PID 2960 wrote to memory of 2128	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	32
PID 2960 wrote to memory of 2468	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	33
PID 2960 wrote to memory of 2468	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	33
PID 2960 wrote to memory of 2468	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	33
PID 2960 wrote to memory of 2468	2960	b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe	33
PID 2468 wrote to memory of 2832	2468	cmd.exe	35
PID 2468 wrote to memory of 2832	2468	cmd.exe	35
PID 2468 wrote to memory of 2832	2468	cmd.exe	35
PID 2468 wrote to memory of 2832	2468	cmd.exe	35
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36
PID 2128 wrote to memory of 2696	2128	Java.exe	36

C:\Users\Admin\AppData\Local\Temp\b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe"
  2⤵
  - 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:2960
- - C:\JavaRE\bin\Java.exe
    "C:\JavaRE\bin\Java.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2128
  - - C:\JavaRE\bin\Java.exe
      "C:\JavaRE\bin\Java.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2696
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\b35e2600d6f1b1bc8a658e32e4c8a5af_JaffaCakes118.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2468
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 5
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2832

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

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\JavaRE\bin\Java.exe

Filesize
830KB

MD5
b35e2600d6f1b1bc8a658e32e4c8a5af

SHA1
b08985c46fe68ee1b606675e202ace7313157a26

SHA256
0ecfd6719166c4fd8e6eb23e41916b9c4f6980ad569a949496c96e5071a983a7

SHA512
67abc6d3faecab9878bdfcfb335d46090c51033a2d65aeb5f9b13c0a059c0b1a2445f1487f0f51f0c2c68638b712ba41fd3152cb8ce3bb843b9fcd540234a8cf

Download Submit
memory/2696-27-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2696-32-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2696-31-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2696-28-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2696-30-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2696-29-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-5-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-20-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-6-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-2-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-4-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download
memory/2960-3-0x0000000000400000-0x00000000004CC000-memory.dmp

Filesize
816KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads