darkcomet | 6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a

General

Target

6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Size

343KB
MD5

77fd5c6a7ed616d1146a055a9aa58720
SHA1

cafacc26a98e13c768eeea3bba37973db58453c3
SHA256

6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a
SHA512

65fa1be05fc3df2caab383fb82af5b619ee1caedab09689878f596596ebf2972ec450fc24ae9e4c27f1639cbcac26c4b7898fa8c95ae27d4fbddb5df228f112f
SSDEEP

6144:XYLtU7Ixhnhz5TN6mJWd/7qMD8gmggfojeGbfUTpYDDmu/+3fbN:osI3lFZWdqswtfJG+pG/YN

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

159.146.115.189:3131

Mutex

DC_MUTEX-6VU05UR

Attributes

gencode
FbWUotbhX9sQ
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
4272	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5amgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c5c-3.dat	upx
behavioral2/memory/4272-5-0x0000000000400000-0x000000000045D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3572	4272	WerFault.exe	85

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	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5amgr.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeSecurityPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeTakeOwnershipPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeLoadDriverPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeSystemProfilePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeSystemtimePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeProfSingleProcessPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeIncBasePriorityPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeCreatePagefilePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeBackupPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeRestorePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeShutdownPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeDebugPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeSystemEnvironmentPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeChangeNotifyPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeRemoteShutdownPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeUndockPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeManageVolumePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeImpersonatePrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: SeCreateGlobalPrivilege	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: 33	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: 34	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: 35	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
Token: 36	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 4272	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe	85
PID 1008 wrote to memory of 4272	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe	85
PID 1008 wrote to memory of 4272	1008	6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe	85

C:\Users\Admin\AppData\Local\Temp\6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe
"C:\Users\Admin\AppData\Local\Temp\6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Local\Temp\6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5amgr.exe
  C:\Users\Admin\AppData\Local\Temp\6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5amgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 264
    3⤵
    - Program crash
    PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4272 -ip 4272
1⤵
PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6514c07cc8c4c8eec0497429b2740aaa63472c91916956c08612f2ed0b11af5amgr.exe

Filesize
105KB

MD5
d5ca6e1f080abc64bbb11e098acbeabb

SHA1
1849634bf5a65e1baddddd4452c99dfa003e2647

SHA256
30193b5ccf8a1834eac3502ef165350ab74b107451145f3d2937fdf24b9eceae

SHA512
aa57ce51de38af6212d7339c4baac543a54b0f527621b0ef9e78eca5e5699e8508a154f54f8ac04135527d8417275eeee72a502a362547575699330cc756b161

Download Submit
memory/1008-17-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-7-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1008-9-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-10-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-12-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-14-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-0-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-19-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-21-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/1008-23-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4272-5-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4272-6-0x0000000001F10000-0x0000000001F11000-memory.dmp

Filesize
4KB

Download

Analysis

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