darkcomet | cc8c8a7d034f5141dc99c14d1910b065ee3ab2debc5e5ac409f6612a8c2d2c61

Analysis

max time kernel
91s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2025, 03:45

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General

Target

JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe
Size

514KB
MD5

1e49a062f5e951716ade7657fd2eb4e0
SHA1

2c717266647f7be48837a77af886199ad51a6831
SHA256

cc8c8a7d034f5141dc99c14d1910b065ee3ab2debc5e5ac409f6612a8c2d2c61
SHA512

c4af7902e6b4f84ca27d5084cb7aeb10a8ab8f8ee4fb3b012d9d0796d941f2535e9880cba73dc7b9d83a236d87352f9c5340b764e6e39a5b3089f827c56035d3
SSDEEP

12288:pWbD0SPCqQs0Nb50sY5xLoJ0Yi9ZvhYFdvch+481K1yFUdkY:MbD0SPCZLOX0Wr9ZviDk80g2kY

Score

10^/10

darkcomet 1.0 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

1.0

facebook.istmein.de:200

facebook.istmein.de:1194

l0fls.hopto.org:200

Mutex

DC_MUTEX-UUVR2L2

Attributes

InstallPath
Roaming\Microsoft\svchost.exe
gencode
aC80Ajlf1Yr3
install
true
offline_keylogger
true
password
Noway123
persistence
true
reg_key
svchost

rc4.plain

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\\Roaming\\Roaming\\Microsoft\\svchost.exe"	scvhosts.exe

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-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation	scvhosts.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation	tmpCC87.tmp.exe

Executes dropped EXE 4 IoCs

pid	Process
1172	tmpCC87.tmp.exe
4760	tmpCC87.tmp.exe
4628	scvhosts.exe
1692	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchosts.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tmpCC87.tmp.exe\""	tmpCC87.tmp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Roaming\\Microsoft\\svchost.exe"	scvhosts.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5000 set thread context of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92

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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpCC87.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpCC87.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scvhosts.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	scvhosts.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe
Token: SeDebugPrivilege	1172	tmpCC87.tmp.exe
Token: SeDebugPrivilege	4760	tmpCC87.tmp.exe
Token: SeIncreaseQuotaPrivilege	4628	scvhosts.exe
Token: SeSecurityPrivilege	4628	scvhosts.exe
Token: SeTakeOwnershipPrivilege	4628	scvhosts.exe
Token: SeLoadDriverPrivilege	4628	scvhosts.exe
Token: SeSystemProfilePrivilege	4628	scvhosts.exe
Token: SeSystemtimePrivilege	4628	scvhosts.exe
Token: SeProfSingleProcessPrivilege	4628	scvhosts.exe
Token: SeIncBasePriorityPrivilege	4628	scvhosts.exe
Token: SeCreatePagefilePrivilege	4628	scvhosts.exe
Token: SeBackupPrivilege	4628	scvhosts.exe
Token: SeRestorePrivilege	4628	scvhosts.exe
Token: SeShutdownPrivilege	4628	scvhosts.exe
Token: SeDebugPrivilege	4628	scvhosts.exe
Token: SeSystemEnvironmentPrivilege	4628	scvhosts.exe
Token: SeChangeNotifyPrivilege	4628	scvhosts.exe
Token: SeRemoteShutdownPrivilege	4628	scvhosts.exe
Token: SeUndockPrivilege	4628	scvhosts.exe
Token: SeManageVolumePrivilege	4628	scvhosts.exe
Token: SeImpersonatePrivilege	4628	scvhosts.exe
Token: SeCreateGlobalPrivilege	4628	scvhosts.exe
Token: 33	4628	scvhosts.exe
Token: 34	4628	scvhosts.exe
Token: 35	4628	scvhosts.exe
Token: 36	4628	scvhosts.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 1172	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	90
PID 5000 wrote to memory of 1172	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	90
PID 5000 wrote to memory of 1172	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	90
PID 1172 wrote to memory of 4760	1172	tmpCC87.tmp.exe	91
PID 1172 wrote to memory of 4760	1172	tmpCC87.tmp.exe	91
PID 1172 wrote to memory of 4760	1172	tmpCC87.tmp.exe	91
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 5000 wrote to memory of 4628	5000	JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe	92
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 3728	4628	scvhosts.exe	93
PID 4628 wrote to memory of 1692	4628	scvhosts.exe	94
PID 4628 wrote to memory of 1692	4628	scvhosts.exe	94
PID 4628 wrote to memory of 1692	4628	scvhosts.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e49a062f5e951716ade7657fd2eb4e0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp.exe" /pq
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp.exe" /px
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4760
- C:\Users\Admin\AppData\Local\Temp\temp_pFoJLAgfZJ\scvhosts.exe
  "C:\Users\Admin\AppData\Local\Temp\temp_pFoJLAgfZJ\scvhosts.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3728
- - C:\Users\Admin\AppData\Roaming\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1692

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\tmpCC87.tmp.exe.log

Filesize
214B

MD5
b434d987546d68abbeccdc91c131f016

SHA1
43c37f13523cf00c91fed23a15d3c2fa1fac0f3c

SHA256
d7362f9f8e52439289377f26ab11a18787f034e16249d5529e341459aa1b4c2f

SHA512
534a13b483c7792fedeb777a423fc68250e90e6f6ae386e34ca3f98736476146a5be6c4155132c075e2ed6fc288661d4d47cc4084039fd5760286c113924c945

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCC87.tmp.exe

Filesize
514KB

MD5
1e49a062f5e951716ade7657fd2eb4e0

SHA1
2c717266647f7be48837a77af886199ad51a6831

SHA256
cc8c8a7d034f5141dc99c14d1910b065ee3ab2debc5e5ac409f6612a8c2d2c61

SHA512
c4af7902e6b4f84ca27d5084cb7aeb10a8ab8f8ee4fb3b012d9d0796d941f2535e9880cba73dc7b9d83a236d87352f9c5340b764e6e39a5b3089f827c56035d3

Download Submit
C:\Users\Admin\AppData\Roaming\Roaming\Microsoft\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1172-15-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/1172-14-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/1172-16-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/1172-20-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3728-37-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/4628-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-97-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4760-21-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4760-24-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/4760-22-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-0-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download
memory/5000-2-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-1-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-95-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads