darkcomet | 96c2aa7c7624e1a52be37328e6e183c31615bf365ce0af2eb6c371f44f134daf

General

Target

JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe
Size

360KB
MD5

78ccd12681956b8774ceed847c7d67be
SHA1

c692331a5d097901828b50bba5c11495992a4305
SHA256

96c2aa7c7624e1a52be37328e6e183c31615bf365ce0af2eb6c371f44f134daf
SHA512

31ed003ed29aa0b5c89ce68b10651e74befc13137528be54f26e164077e62afb4096c6bf397eebaa6e7560db4fa272df0ed35d86e23dd959eb59e2ea5db86a1b
SSDEEP

6144:W/0uojNiqqd8+qIdpdXcXVSO/yxUtKAD9EgLqyLOnPQ7jjElns7:WJmw7JKr8Af9O5xs7

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:82

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
o7Fab3wV1vh7
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2452	0s.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe

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	JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0s.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	0s.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	0s.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2452	0s.exe
Token: SeSecurityPrivilege	2452	0s.exe
Token: SeTakeOwnershipPrivilege	2452	0s.exe
Token: SeLoadDriverPrivilege	2452	0s.exe
Token: SeSystemProfilePrivilege	2452	0s.exe
Token: SeSystemtimePrivilege	2452	0s.exe
Token: SeProfSingleProcessPrivilege	2452	0s.exe
Token: SeIncBasePriorityPrivilege	2452	0s.exe
Token: SeCreatePagefilePrivilege	2452	0s.exe
Token: SeBackupPrivilege	2452	0s.exe
Token: SeRestorePrivilege	2452	0s.exe
Token: SeShutdownPrivilege	2452	0s.exe
Token: SeDebugPrivilege	2452	0s.exe
Token: SeSystemEnvironmentPrivilege	2452	0s.exe
Token: SeChangeNotifyPrivilege	2452	0s.exe
Token: SeRemoteShutdownPrivilege	2452	0s.exe
Token: SeUndockPrivilege	2452	0s.exe
Token: SeManageVolumePrivilege	2452	0s.exe
Token: SeImpersonatePrivilege	2452	0s.exe
Token: SeCreateGlobalPrivilege	2452	0s.exe
Token: 33	2452	0s.exe
Token: 34	2452	0s.exe
Token: 35	2452	0s.exe
Token: 36	2452	0s.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2452	0s.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2452	2976	JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe	88
PID 2976 wrote to memory of 2452	2976	JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe	88
PID 2976 wrote to memory of 2452	2976	JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78ccd12681956b8774ceed847c7d67be.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0s.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0s.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2452

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\0s.exe

Filesize
301KB

MD5
09e83f87475dc338369e6e02945d5598

SHA1
c39a96dbfb6f2463eeaa5a6035dedfbbab568621

SHA256
23ca2492c9137557fd18b7695e6447add12dcef767a9e440fc52c52c556b7bb7

SHA512
c6326e309fb518ae2bf87910f29d88b84d0aa376fb062e60e94e4e668ad7b6304aa69610fea93770c9f80be26938c497cd2dd7b27cecbb32fb739247cfbfe8c2

Download Submit
memory/2452-5-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2452-6-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2452-8-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2452-9-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2452-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2452-11-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads