darkcomet | 284a8d0f09ac22db469439e098d0bc6706bc96c7cf68ccbb5ef35534b62ff821

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2024, 03:52

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General

Target
6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
Size 853KB
Sample241023-efbshs1fmn
SHA256 284a8d0f09ac22db469439e098d0bc6706bc96c7cf68ccbb5ef35534b62ff821
MD5 6d07952bb7955a0e3843ad6682ab44fc
SHA1 1ee6ae4d8c17cda36cbeee34748d6fb56080ba01
SHA512 2b4ab8fc089ab29275409fc0583a4b02808ec584ee3a19e3c302583c9870bd137eb57e71e48661e5fd9f5fda8b626e102c3b910afeff580e7eb228fc393ad7d4
SSDEEP 12288:1tDG20jqd59c8av2ueqYsYsyIDnX3ZUUS+A35Zg1hqizLXICiii:1tD4jkTcR2u9lLDnXuTV35O1hqCkCfi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

pritt48.no-ip.biz:1604

Mutex

DCMIN_MUTEX-2MNRTS6

Attributes

gencode
jPjyKEUnTaAk
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 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4744	MblOffice.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\death = "C:\\Users\\Admin\\AppData\\Roaming\\death.exe"	WScript.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4148 set thread context of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 set thread context of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108

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	MblOffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2980	csc.exe
Token: SeSecurityPrivilege	2980	csc.exe
Token: SeTakeOwnershipPrivilege	2980	csc.exe
Token: SeLoadDriverPrivilege	2980	csc.exe
Token: SeSystemProfilePrivilege	2980	csc.exe
Token: SeSystemtimePrivilege	2980	csc.exe
Token: SeProfSingleProcessPrivilege	2980	csc.exe
Token: SeIncBasePriorityPrivilege	2980	csc.exe
Token: SeCreatePagefilePrivilege	2980	csc.exe
Token: SeBackupPrivilege	2980	csc.exe
Token: SeRestorePrivilege	2980	csc.exe
Token: SeShutdownPrivilege	2980	csc.exe
Token: SeDebugPrivilege	2980	csc.exe
Token: SeSystemEnvironmentPrivilege	2980	csc.exe
Token: SeChangeNotifyPrivilege	2980	csc.exe
Token: SeRemoteShutdownPrivilege	2980	csc.exe
Token: SeUndockPrivilege	2980	csc.exe
Token: SeManageVolumePrivilege	2980	csc.exe
Token: SeImpersonatePrivilege	2980	csc.exe
Token: SeCreateGlobalPrivilege	2980	csc.exe
Token: 33	2980	csc.exe
Token: 34	2980	csc.exe
Token: 35	2980	csc.exe
Token: 36	2980	csc.exe
Token: SeDebugPrivilege	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3048	csc.exe
Token: SeSecurityPrivilege	3048	csc.exe
Token: SeTakeOwnershipPrivilege	3048	csc.exe
Token: SeLoadDriverPrivilege	3048	csc.exe
Token: SeSystemProfilePrivilege	3048	csc.exe
Token: SeSystemtimePrivilege	3048	csc.exe
Token: SeProfSingleProcessPrivilege	3048	csc.exe
Token: SeIncBasePriorityPrivilege	3048	csc.exe
Token: SeCreatePagefilePrivilege	3048	csc.exe
Token: SeBackupPrivilege	3048	csc.exe
Token: SeRestorePrivilege	3048	csc.exe
Token: SeShutdownPrivilege	3048	csc.exe
Token: SeDebugPrivilege	3048	csc.exe
Token: SeSystemEnvironmentPrivilege	3048	csc.exe
Token: SeChangeNotifyPrivilege	3048	csc.exe
Token: SeRemoteShutdownPrivilege	3048	csc.exe
Token: SeUndockPrivilege	3048	csc.exe
Token: SeManageVolumePrivilege	3048	csc.exe
Token: SeImpersonatePrivilege	3048	csc.exe
Token: SeCreateGlobalPrivilege	3048	csc.exe
Token: 33	3048	csc.exe
Token: 34	3048	csc.exe
Token: 35	3048	csc.exe
Token: 36	3048	csc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2980	csc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 4864	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	85
PID 4148 wrote to memory of 4864	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	85
PID 4148 wrote to memory of 4864	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	85
PID 4148 wrote to memory of 4204	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	87
PID 4148 wrote to memory of 4204	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	87
PID 4148 wrote to memory of 4204	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	87
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 2980	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	89
PID 4148 wrote to memory of 4744	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	90
PID 4148 wrote to memory of 4744	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	90
PID 4148 wrote to memory of 4744	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	90
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108
PID 4148 wrote to memory of 3048	4148	6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe	108

C:\Users\Admin\AppData\Local\Temp\6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d07952bb7955a0e3843ad6682ab44fc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C cd C:\Users\Admin\AppData\Roaming\ &&ren *.zgy *.exe && exit
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4864
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MTemp104.vbs"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4204
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2980
- C:\Users\Admin\AppData\Local\Temp\MblOffice.exe
  C:\Users\Admin\AppData\Local\Temp\MblOffice.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4744
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3048

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

MTemp104.vbs

Path C:\Users\Admin\AppData\Local\Temp\MTemp104.vbs
Size 433B
SHA256 f4616fd7dc052972d2290c56a6a657188cf2d148bb767731fcd3ae758d1ff716
MD5 e2a3c3faa1ca81e0e5c52a4ff2ddca30
SHA1 036bf5d24b5262413a5e41744719e65bcb08c06f
SHA512 c01f36a17acd93b74263ae5bf7b7bc73f1fefc42387e5507e13d42a7f258968d0e607c6f6291d953f4aa25e88209e27be7943b528fb69388297339d5224bf1af
MD5 SHA1 SHA512

Submit Download

death.zgy

Path C:\Users\Admin\AppData\Roaming\death.zgy
Size 853KB
SHA256 284a8d0f09ac22db469439e098d0bc6706bc96c7cf68ccbb5ef35534b62ff821
MD5 6d07952bb7955a0e3843ad6682ab44fc
SHA1 1ee6ae4d8c17cda36cbeee34748d6fb56080ba01
SHA512 2b4ab8fc089ab29275409fc0583a4b02808ec584ee3a19e3c302583c9870bd137eb57e71e48661e5fd9f5fda8b626e102c3b910afeff580e7eb228fc393ad7d4
SSDEEP 12288:1tDG20jqd59c8av2ueqYsYsyIDnX3ZUUS+A35Zg1hqizLXICiii:1tD4jkTcR2u9lLDnXuTV35O1hqCkCfi
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2980-21-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-42-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-46-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-10-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-11-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-44-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-43-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-16-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-14-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-41-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-45-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-37-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-20-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-40-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-39-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-26-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-27-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-28-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-29-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-30-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/2980-38-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3048-35-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4148-25-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4148-34-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4148-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

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memory/4148-24-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4148-23-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

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memory/4148-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4148-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4744-22-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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memory/4744-17-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

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memory/4744-18-0x0000000074EF0000-0x00000000754A1000-memory.dmp

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