darkcomet | d647cff74210ee62da7c701ab7b090998d76df346658f83c23b40964c6687c11

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 21:06

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General

Target

25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe
Size

748KB
MD5

25733f053e6f0fdedbc50db5ec4d02bf
SHA1

c21d094e8a130bc544b0bb64997c85bdaf30f368
SHA256

d647cff74210ee62da7c701ab7b090998d76df346658f83c23b40964c6687c11
SHA512

990b081f8279315c73f7efa8f17ee5a2359bb373c9b31d0466aaa9b337a4f7342a66c7f52a4997ab79c32aeb00a7af2532c17a31c520168f1471ecb157e272aa
SSDEEP

12288:ms/LbVe4RrOwnxAYMJxn7XVNBbOJB+HL3ENZ2O7RK6NPJppk:RfVe8rOXL7DzHLkdNPJppk

Score

10^/10

darkcomet fbpkr discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

FBPKR

safesys.no-ip.info:1724

Mutex

DC_MUTEX-3CXAXDU

Attributes

gencode
PupJ4ZM1s9HD
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Checks computer location settings 2 TTPs 3 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	explorer.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	msadrh10.exe

Executes dropped EXE 2 IoCs

pid	Process
3268	msadrh10.exe
4284	lsasrv.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft� Windows� Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\msadrh10.exe"	msadrh10.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3576 set thread context of 4460	3576	explorer.exe	90
PID 4284 set thread context of 5092	4284	lsasrv.exe	93

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4460-12-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-13-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-14-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-15-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-16-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-19-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral2/memory/4460-18-0x0000000000400000-0x00000000004E8000-memory.dmp	upx

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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msadrh10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsasrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3576	explorer.exe
3268	msadrh10.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe
3576	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3232	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 52 IoCs

description	pid	Process
Token: SeDebugPrivilege	3232	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe
Token: SeDebugPrivilege	3576	explorer.exe
Token: SeIncreaseQuotaPrivilege	4460	AppLaunch.exe
Token: SeSecurityPrivilege	4460	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	4460	AppLaunch.exe
Token: SeLoadDriverPrivilege	4460	AppLaunch.exe
Token: SeSystemProfilePrivilege	4460	AppLaunch.exe
Token: SeSystemtimePrivilege	4460	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	4460	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	4460	AppLaunch.exe
Token: SeCreatePagefilePrivilege	4460	AppLaunch.exe
Token: SeBackupPrivilege	4460	AppLaunch.exe
Token: SeRestorePrivilege	4460	AppLaunch.exe
Token: SeShutdownPrivilege	4460	AppLaunch.exe
Token: SeDebugPrivilege	4460	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	4460	AppLaunch.exe
Token: SeChangeNotifyPrivilege	4460	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	4460	AppLaunch.exe
Token: SeUndockPrivilege	4460	AppLaunch.exe
Token: SeManageVolumePrivilege	4460	AppLaunch.exe
Token: SeImpersonatePrivilege	4460	AppLaunch.exe
Token: SeCreateGlobalPrivilege	4460	AppLaunch.exe
Token: 33	4460	AppLaunch.exe
Token: 34	4460	AppLaunch.exe
Token: 35	4460	AppLaunch.exe
Token: 36	4460	AppLaunch.exe
Token: SeDebugPrivilege	3268	msadrh10.exe
Token: SeDebugPrivilege	4284	lsasrv.exe
Token: SeIncreaseQuotaPrivilege	5092	AppLaunch.exe
Token: SeSecurityPrivilege	5092	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	5092	AppLaunch.exe
Token: SeLoadDriverPrivilege	5092	AppLaunch.exe
Token: SeSystemProfilePrivilege	5092	AppLaunch.exe
Token: SeSystemtimePrivilege	5092	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	5092	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	5092	AppLaunch.exe
Token: SeCreatePagefilePrivilege	5092	AppLaunch.exe
Token: SeBackupPrivilege	5092	AppLaunch.exe
Token: SeRestorePrivilege	5092	AppLaunch.exe
Token: SeShutdownPrivilege	5092	AppLaunch.exe
Token: SeDebugPrivilege	5092	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	5092	AppLaunch.exe
Token: SeChangeNotifyPrivilege	5092	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	5092	AppLaunch.exe
Token: SeUndockPrivilege	5092	AppLaunch.exe
Token: SeManageVolumePrivilege	5092	AppLaunch.exe
Token: SeImpersonatePrivilege	5092	AppLaunch.exe
Token: SeCreateGlobalPrivilege	5092	AppLaunch.exe
Token: 33	5092	AppLaunch.exe
Token: 34	5092	AppLaunch.exe
Token: 35	5092	AppLaunch.exe
Token: 36	5092	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4460	AppLaunch.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 3576	3232	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe	86
PID 3232 wrote to memory of 3576	3232	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe	86
PID 3232 wrote to memory of 3576	3232	25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe	86
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 4460	3576	explorer.exe	90
PID 3576 wrote to memory of 3268	3576	explorer.exe	91
PID 3576 wrote to memory of 3268	3576	explorer.exe	91
PID 3576 wrote to memory of 3268	3576	explorer.exe	91
PID 3268 wrote to memory of 4284	3268	msadrh10.exe	92
PID 3268 wrote to memory of 4284	3268	msadrh10.exe	92
PID 3268 wrote to memory of 4284	3268	msadrh10.exe	92
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93
PID 4284 wrote to memory of 5092	4284	lsasrv.exe	93

C:\Users\Admin\AppData\Local\Temp\25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25733f053e6f0fdedbc50db5ec4d02bf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3576
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4460
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\msadrh10.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\msadrh10.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3268
  - - C:\Users\Admin\AppData\Local\Temp\lsasrv.exe
      "C:\Users\Admin\AppData\Local\Temp\lsasrv.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4284
    - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
        
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:5092

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\lsasrv.exe

Filesize
748KB

MD5
25733f053e6f0fdedbc50db5ec4d02bf

SHA1
c21d094e8a130bc544b0bb64997c85bdaf30f368

SHA256
d647cff74210ee62da7c701ab7b090998d76df346658f83c23b40964c6687c11

SHA512
990b081f8279315c73f7efa8f17ee5a2359bb373c9b31d0466aaa9b337a4f7342a66c7f52a4997ab79c32aeb00a7af2532c17a31c520168f1471ecb157e272aa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\msadrh10.exe

Filesize
6KB

MD5
88a7440b1ccfd4c709a5c45779e6dcbb

SHA1
55251f838c913fad1e9db5aa0dcb974645090623

SHA256
6861da1f496cc9544c18e6e6eea1a4b34f8f173250de050eb38f2dc6ca2e3336

SHA512
f0b77df5a5009543407556bbad0941a02c55789523c80ffa537a7274806bc782fb9fc258b0fae0ec0cff06e8534655f8e6909b3bba71c60e881854aa50737309

Download Submit
memory/3232-1-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3232-2-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3232-4-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3232-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

Filesize
4KB

Download
memory/3576-5-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3576-6-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3576-7-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/4460-13-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-15-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-16-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-17-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/4460-19-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-18-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-14-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4460-12-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download