darkcomet | 69cbfbc1b1ab38241efbeeb9cf2bbd839448981f4f10ee6b1e4bc5d21f2acb3b

General

Target

JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe
Size

4.2MB
MD5

b4570a04fa7d1ac33afb101300c73d54
SHA1

4522fb0cf2c0aee291842688c20020651343c4a0
SHA256

69cbfbc1b1ab38241efbeeb9cf2bbd839448981f4f10ee6b1e4bc5d21f2acb3b
SHA512

5c768a29e0be735ac691cfbae2f40b238e9782b9b9d6c0edda98d595b3defd0324bd132180bd8d7e2944349940fa69645d31ade649828992b10bd2fdd0bb153f
SSDEEP

98304:5Ff3GTKdT1WUBSDiUpYCpjnjTyuGkQcdBDY2yP6uvrGNrAWsJA:5FuKdRWUBSDnbHfhjzyP6mWI

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
Darkcomet family
darkcomet

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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe

Executes dropped EXE 2 IoCs

pid	Process
4140	ǭȜƂƈӂ.exe
2720	taskmgr.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-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Essentials = "C:\\Users\\Admin\\AppData\\Local\\Temp\\taskmgr.exe"	ǭȜƂƈӂ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3884 set thread context of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91

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 5 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	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ǭȜƂƈӂ.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000_Classes\Local Settings	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5004	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5004	vlc.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe
Token: SeIncreaseQuotaPrivilege	2720	taskmgr.exe
Token: SeSecurityPrivilege	2720	taskmgr.exe
Token: SeTakeOwnershipPrivilege	2720	taskmgr.exe
Token: SeLoadDriverPrivilege	2720	taskmgr.exe
Token: SeSystemProfilePrivilege	2720	taskmgr.exe
Token: SeSystemtimePrivilege	2720	taskmgr.exe
Token: SeProfSingleProcessPrivilege	2720	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2720	taskmgr.exe
Token: SeCreatePagefilePrivilege	2720	taskmgr.exe
Token: SeBackupPrivilege	2720	taskmgr.exe
Token: SeRestorePrivilege	2720	taskmgr.exe
Token: SeShutdownPrivilege	2720	taskmgr.exe
Token: SeDebugPrivilege	2720	taskmgr.exe
Token: SeSystemEnvironmentPrivilege	2720	taskmgr.exe
Token: SeChangeNotifyPrivilege	2720	taskmgr.exe
Token: SeRemoteShutdownPrivilege	2720	taskmgr.exe
Token: SeUndockPrivilege	2720	taskmgr.exe
Token: SeManageVolumePrivilege	2720	taskmgr.exe
Token: SeImpersonatePrivilege	2720	taskmgr.exe
Token: SeCreateGlobalPrivilege	2720	taskmgr.exe
Token: 33	2720	taskmgr.exe
Token: 34	2720	taskmgr.exe
Token: 35	2720	taskmgr.exe
Token: 36	2720	taskmgr.exe
Token: 33	4956	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4956	AUDIODG.EXE
Token: 33	5004	vlc.exe
Token: SeIncBasePriorityPrivilege	5004	vlc.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe
5004	vlc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	taskmgr.exe
5004	vlc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3884 wrote to memory of 3100	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	86
PID 3884 wrote to memory of 3100	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	86
PID 3884 wrote to memory of 3100	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	86
PID 3100 wrote to memory of 4028	3100	csc.exe	89
PID 3100 wrote to memory of 4028	3100	csc.exe	89
PID 3100 wrote to memory of 4028	3100	csc.exe	89
PID 3884 wrote to memory of 4140	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	90
PID 3884 wrote to memory of 4140	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	90
PID 3884 wrote to memory of 4140	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	90
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 2720	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	91
PID 3884 wrote to memory of 5004	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	92
PID 3884 wrote to memory of 5004	3884	JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4570a04fa7d1ac33afb101300c73d54.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3884
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\_gasqmke.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES784E.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC784D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4028
- C:\Users\Admin\AppData\Local\Temp\ǭȜƂƈӂ.exe
  "C:\Users\Admin\AppData\Local\Temp\ǭȜƂƈӂ.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4140
- C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
  C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2720
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\מישל כהן יש מקום ביצוע הגמר.mp3"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:5004

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4b4 0x464
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RES784E.tmp

Filesize
1KB

MD5
a9c9e57a04bf8e1a7cb31c2186577431

SHA1
a21422bc35b409d72721f13d5edc81bac6a77c67

SHA256
7283cf96bea70b0d7c77d6550bc2406dc62584908571fb8047d0d4d6d006a936

SHA512
dc85829312ec5959400560e7815e460bfac4b446b116c3b12bb3c46ce8118994b35f9cc44c6e1150861f01b115d6072aae06ed84f11770f3ec0fd256d9be344f

Download Submit
C:\Users\Admin\AppData\Local\Temp\taskmgr.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ǭȜƂƈӂ.exe

Filesize
4KB

MD5
9ebce9003510ba747362ef47d948a7c1

SHA1
9e88e98db4cffa9e00badca03026cc4f898a4d6b

SHA256
4d0d4e2979a328564e541b387bc0acb438b22a72651b703182cee8df8c5acf1b

SHA512
ede4e8e6f0ff371082b39800a1787f0f2bb377f627da2ccfdcea8facee18f3cb33e6154f0452c65b6b8262d887c3cb3a643a46c8222b39bbf888a5149c4dea5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\מישל כהן יש מקום ביצוע הגמר.mp3

Filesize
3.1MB

MD5
dfd312879ce215a472ccfff1f6edcc83

SHA1
1ed6991e2876a8f3921e0629980acb7ea6482d19

SHA256
e707e9a797191b9f64d3a5fc48b09ca49a429b35b1d9bef250f30bd75278e23d

SHA512
b5d2e82e8be7b930f678cf2c227e59f0de2fadb7b3c5c9b408ded5396a2254b9bb3976c34d3c6412cf71968f0ae8446c1b197b969b464bc613f178898a52d736

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC784D.tmp

Filesize
636B

MD5
50363950c08ac8e50585c99d2ffa9f71

SHA1
d8f71b835a534ce0ff378c62a9a78558eda9c235

SHA256
ea2e0d4bf91002fa267b3ea49cd25d3ed3a4aaac88ff14fc7b14d09506eb0ae1

SHA512
96029d490fd171a02f42019a3b983d7dc3a638f1812527510aae571f7760bc72ecfd29e4bdb8ac1a3a2d5af83b931ac8fdfce0af9ec33247d0243e8f4bdbe025

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\_gasqmke.0.cs

Filesize
1KB

MD5
f89d88c9df4920a28f1e50bdd677686e

SHA1
956a7b21a6a243588db21f24eb19f36e75128367

SHA256
7b250b2607bb276cf970952c966eec884d9d1586eb2f27ee9155376a0e820537

SHA512
3ce3f52e9c440924dd47cd35ed78763b15eafbbcf1777c1e5fc7587b278108a1096aeeb81568e394532c75db1ffb785e24e66e752333e41971096556e3dee4ce

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\_gasqmke.cmdline

Filesize
263B

MD5
6f975b2d1b05172a04e14aa2736763f6

SHA1
cfbe4b2a4a326559132a5d1680d7553e7d1025fc

SHA256
b73218741b46fcf26db7c53bf14eeaaea5f8a1016c21b4762521d6a7ddfd53d8

SHA512
12aa73fe18f4fd8525db258bdafa16544f0281dc6515706f0f9f66d8ea8ce20617797c838600e855e7e10c5bd0852480848bc0a1306889c230d5114dc4e11583

Download Submit
memory/2720-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-48-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2720-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3100-8-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/3100-15-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/3884-0-0x00000000751E2000-0x00000000751E3000-memory.dmp

Filesize
4KB

Download
memory/3884-39-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/3884-2-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/3884-1-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/4140-19-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/4140-42-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/4140-20-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/5004-49-0x00007FF725E20000-0x00007FF725F18000-memory.dmp

Filesize
992KB

Download
memory/5004-50-0x00007FFE7F990000-0x00007FFE7F9C4000-memory.dmp

Filesize
208KB

Download
memory/5004-58-0x00007FFE7EE10000-0x00007FFE7EE21000-memory.dmp

Filesize
68KB

Download
memory/5004-59-0x00007FFE70000000-0x00007FFE7020B000-memory.dmp

Filesize
2.0MB

Download
memory/5004-66-0x00007FFE70E30000-0x00007FFE70E4B000-memory.dmp

Filesize
108KB

Download
memory/5004-65-0x00007FFE71860000-0x00007FFE71871000-memory.dmp

Filesize
68KB

Download
memory/5004-64-0x00007FFE71880000-0x00007FFE71891000-memory.dmp

Filesize
68KB

Download
memory/5004-63-0x00007FFE77180000-0x00007FFE77191000-memory.dmp

Filesize
68KB

Download
memory/5004-62-0x00007FFE7DB60000-0x00007FFE7DB78000-memory.dmp

Filesize
96KB

Download
memory/5004-61-0x00007FFE7DAC0000-0x00007FFE7DAE1000-memory.dmp

Filesize
132KB

Download
memory/5004-60-0x00007FFE70E50000-0x00007FFE70E91000-memory.dmp

Filesize
260KB

Download
memory/5004-57-0x00007FFE7EE30000-0x00007FFE7EE4D000-memory.dmp

Filesize
116KB

Download
memory/5004-56-0x00007FFE7EF20000-0x00007FFE7EF31000-memory.dmp

Filesize
68KB

Download
memory/5004-51-0x00007FFE70400000-0x00007FFE706B6000-memory.dmp

Filesize
2.7MB

Download
memory/5004-55-0x00007FFE7F5F0000-0x00007FFE7F607000-memory.dmp

Filesize
92KB

Download
memory/5004-54-0x00007FFE7F970000-0x00007FFE7F981000-memory.dmp

Filesize
68KB

Download
memory/5004-53-0x00007FFE7FCA0000-0x00007FFE7FCB7000-memory.dmp

Filesize
92KB

Download
memory/5004-52-0x00007FFE85390000-0x00007FFE853A8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads