darkcomet | 4b40029098c7b1f0427875544944e9b5962ad5e130890afeb86e9deecf203b7c

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 22:18

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General

Target
accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe
Size 825KB
Sample240819-173k7syeqd
SHA256 4b40029098c7b1f0427875544944e9b5962ad5e130890afeb86e9deecf203b7c
MD5 accd7004f8d728a2a868cdae48904c6f
SHA1 81c40a78b99f719d9235967a7202dccd44f7cb78
SHA512 6040f57d5fd63cde64cd9883f4efb04b7dbcb706b34f8ac128fb303683f055661ba53c57fb359c60a5b45a2d70068b8a243ff616dbdf2ae8264471ce1570a4e3
SSDEEP 12288:Ht0JX3Zzmm7rT6mBZbi3VJO2NnMVbCGQ2RZ2OV4i7VBAfjXNfQnU35uCimC1:Ht0x3dPBZCVJO2NnMV62dVqfj1QnzCq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

trashium.no-ip.org:1604

Mutex

DC_MUTEX-1GAAKP6

Attributes

gencode
dkbzdrHcwk53
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3260	Service.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FacbookUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\FacbookUpdate.exe"	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93

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 2 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	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3260	Service.exe
Token: SeSecurityPrivilege	3260	Service.exe
Token: SeTakeOwnershipPrivilege	3260	Service.exe
Token: SeLoadDriverPrivilege	3260	Service.exe
Token: SeSystemProfilePrivilege	3260	Service.exe
Token: SeSystemtimePrivilege	3260	Service.exe
Token: SeProfSingleProcessPrivilege	3260	Service.exe
Token: SeIncBasePriorityPrivilege	3260	Service.exe
Token: SeCreatePagefilePrivilege	3260	Service.exe
Token: SeBackupPrivilege	3260	Service.exe
Token: SeRestorePrivilege	3260	Service.exe
Token: SeShutdownPrivilege	3260	Service.exe
Token: SeDebugPrivilege	3260	Service.exe
Token: SeSystemEnvironmentPrivilege	3260	Service.exe
Token: SeChangeNotifyPrivilege	3260	Service.exe
Token: SeRemoteShutdownPrivilege	3260	Service.exe
Token: SeUndockPrivilege	3260	Service.exe
Token: SeManageVolumePrivilege	3260	Service.exe
Token: SeImpersonatePrivilege	3260	Service.exe
Token: SeCreateGlobalPrivilege	3260	Service.exe
Token: 33	3260	Service.exe
Token: 34	3260	Service.exe
Token: 35	3260	Service.exe
Token: 36	3260	Service.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3260	Service.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 1748 wrote to memory of 3260	1748	accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe	93
PID 3260 wrote to memory of 4604	3260	Service.exe	94
PID 3260 wrote to memory of 4604	3260	Service.exe	94
PID 3260 wrote to memory of 4604	3260	Service.exe	94
PID 3260 wrote to memory of 1504	3260	Service.exe	95
PID 3260 wrote to memory of 1504	3260	Service.exe	95

C:\Users\Admin\AppData\Local\Temp\accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\accd7004f8d728a2a868cdae48904c6f_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtmp\Service.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:4604
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:1504

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

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

Service.exe

Path C:\Users\Admin\AppData\Local\Temp\plugtmp\Service.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

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memory/1748-19-0x00000000751B2000-0x00000000751B3000-memory.dmp

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memory/1748-1-0x00000000751B0000-0x0000000075761000-memory.dmp

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memory/1748-2-0x00000000751B0000-0x0000000075761000-memory.dmp

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memory/1748-3-0x00000000751B0000-0x0000000075761000-memory.dmp

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memory/1748-0-0x00000000751B2000-0x00000000751B3000-memory.dmp

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memory/1748-20-0x00000000751B0000-0x0000000075761000-memory.dmp

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memory/3260-21-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-25-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-15-0x0000000002420000-0x0000000002421000-memory.dmp

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memory/3260-17-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-16-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-12-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-11-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-8-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-22-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-23-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-24-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-14-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-26-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-27-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-28-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-29-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-30-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-31-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-32-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-33-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3260-34-0x0000000000400000-0x00000000004B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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