darkcomet | e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

General

Target

e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Size

686KB
MD5

012a1196493ab7f81db07c2bee6a0302
SHA1

4210c6b6036381428c5f74c6ef0eed02fb8926e2
SHA256

e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56
SHA512

60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9
SSDEEP

12288:DsrDj72TynbM+b233JvdepuKGMXO/iXv89/w2t+09F/8bERxYp2cjR/gQQu4cbWh:DYh3b233dKHXcX/w2t+09F/8biDcdglx

Score

10^/10

darkcomet opfer discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

C2

tima.myftp.biz:1001

Mutex

DCMIN_MUTEX-750S66E

Attributes

InstallPath
Windows\taskhost.exe
gencode
xmB35GD9pqNN
install
true
offline_keylogger
true
persistence
false
reg_key
NT Kernel & Systeam

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:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\taskhost.exe"	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Executes dropped EXE 2 IoCs

pid	Process
1772	taskhost.exe
4952	taskhost.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-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NT Kernel & Systeam = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\taskhost.exe"	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

pid	Process
1772	taskhost.exe
1772	taskhost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 1772 set thread context of 4952	1772	taskhost.exe	88

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
2892	4952	WerFault.exe	88

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	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeIncreaseQuotaPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSecurityPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeTakeOwnershipPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeLoadDriverPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemProfilePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemtimePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeProfSingleProcessPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeIncBasePriorityPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeCreatePagefilePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeBackupPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeRestorePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeShutdownPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeDebugPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemEnvironmentPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeChangeNotifyPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeRemoteShutdownPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeUndockPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeManageVolumePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeImpersonatePrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeCreateGlobalPrivilege	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 33	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 34	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 35	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 36	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeDebugPrivilege	1772	taskhost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4268 wrote to memory of 872	4268	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 872 wrote to memory of 1772	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	87
PID 872 wrote to memory of 1772	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	87
PID 872 wrote to memory of 1772	872	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	87
PID 1772 wrote to memory of 4952	1772	taskhost.exe	88
PID 1772 wrote to memory of 4952	1772	taskhost.exe	88
PID 1772 wrote to memory of 4952	1772	taskhost.exe	88
PID 1772 wrote to memory of 4952	1772	taskhost.exe	88
PID 1772 wrote to memory of 4952	1772	taskhost.exe	88

C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe dsrm -subtree -noprompt -c user"http://+:443"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1772
  - - C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
      4⤵
      Executes dropped EXE
      PID:4952
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 12
        5⤵
        Program crash
        
        PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4952 -ip 4952
1⤵
PID:3888

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

Query Registry

1

T1012

System Information Discovery

2

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\Windows\taskhost.exe

Filesize
686KB

MD5
012a1196493ab7f81db07c2bee6a0302

SHA1
4210c6b6036381428c5f74c6ef0eed02fb8926e2

SHA256
e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

SHA512
60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

Download Submit
memory/872-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-15-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

Filesize
4KB

Download
memory/872-3-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/872-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1772-29-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/1772-28-0x0000000074E42000-0x0000000074E43000-memory.dmp

Filesize
4KB

Download
memory/1772-33-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-0-0x0000000074E42000-0x0000000074E43000-memory.dmp

Filesize
4KB

Download
memory/4268-16-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-2-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-1-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads