darkcomet | 828bf06da890c926bcfec850972e98ef358b5def95ca47da2c0ab931a6202aab

General

Target

bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Size

758KB
MD5

bad3375c1afb85e12eaa4f872e640c58
SHA1

d279596e7fbc990d2ee51649aa2e4f79bcd51bf1
SHA256

828bf06da890c926bcfec850972e98ef358b5def95ca47da2c0ab931a6202aab
SHA512

ff7c03887def0abf56aca3a814020e8a699fef48b02e5844a1ec7d2c63db847578cf2017cb86f4a5aa19c75e76710f1d0c850c6ffe26b715f90116d463720631
SSDEEP

12288:I3GnbxJJobfq8zKx2p3c9n9X4Lj/Ajiam4KLPzdRnSR5MmB:I21roDz26c9n9oHDC

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:\\Users\\Admin\\AppData\\Roaming\\iexplorer.exe"	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\iexplorer = "C:\\Users\\Admin\\AppData\\Roaming\\iexplorer.exe"	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2424	1460	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeSecurityPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeBackupPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeRestorePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeShutdownPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeDebugPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeUndockPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: 33	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: 34	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
Token: 35	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 3068 wrote to memory of 1460	3068	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	30
PID 1460 wrote to memory of 2068	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	31
PID 1460 wrote to memory of 2068	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	31
PID 1460 wrote to memory of 2068	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	31
PID 1460 wrote to memory of 2068	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	31
PID 1460 wrote to memory of 2424	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2424	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2424	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2424	1460	bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\bad3375c1afb85e12eaa4f872e640c58_JaffaCakes118.exe
  2⤵
  - 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:1460
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 600
    3⤵
    - Program crash
    PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

Filesize
101B

MD5
e50fa0c662353c4807d34884118f53c0

SHA1
a0fccaef131230a5508b7897e2b9f9b2282082b6

SHA256
9580f44f273791752589d29d5e1f73ca6ec0d00653984725f0ffd42d3aeb46a1

SHA512
6488fb4f407ba87630cb6cfeab1c315d1c454e378e1e7b068c77da314bba1eea5701733cc810bfef5f8e396f200bcf07c3c9a1a8fcfbdcc402d8ad2fdb43606d

Download Submit
memory/1460-12-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-22-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-20-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-21-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1460-16-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-10-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-8-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-14-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-6-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-2-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-23-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-24-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-4-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1460-37-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads