darkcomet | efa221bd1f00a64e77ac1963987bd7a2ec1b96cb449970d0f01c98938ebdb6a4

General

Target

45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe
Size

383KB
MD5

45c7ee4bed00a5fd364b477e874fc849
SHA1

b5f3d363663b4a30302f7aa0bd71a091b9c72c04
SHA256

efa221bd1f00a64e77ac1963987bd7a2ec1b96cb449970d0f01c98938ebdb6a4
SHA512

d3dc25bbc2f0a76dc27691c334d9602d268622bcf509665bc9c4442bdab67b9b983bf4a33b8aa7a9efc004d79989beb7067d0f9d4c18c7358fadd12e4a7c1001
SSDEEP

6144:szLhp3fD0scN5iULQQTFwK2BA/iV3W7x/JkpnyG88HpdFIB0MDXMe7uLZ1IMGIGW:khpvotN5VLQQKeiLyG8afFC0MDXMe7OH

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

holahola.no-ip.org:1337

Mutex

DC_MUTEX-8V9LZ3Y

Attributes

gencode
9lBjCyQW2Soe
install
false
offline_keylogger
true
password
tigresa
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

STUB3.EXE

pid	Process
2864	STUB3.EXE

Loads dropped DLL 2 IoCs

Processes:

45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe

pid	Process
2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe
2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2660-0-0x0000000000930000-0x00000000009F5000-memory.dmp	upx
behavioral1/memory/2660-14-0x0000000000930000-0x00000000009F5000-memory.dmp	upx

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 3 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

Processes:

45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exeDllHost.exeSTUB3.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	STUB3.EXE

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

STUB3.EXE

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2864	STUB3.EXE
Token: SeSecurityPrivilege	2864	STUB3.EXE
Token: SeTakeOwnershipPrivilege	2864	STUB3.EXE
Token: SeLoadDriverPrivilege	2864	STUB3.EXE
Token: SeSystemProfilePrivilege	2864	STUB3.EXE
Token: SeSystemtimePrivilege	2864	STUB3.EXE
Token: SeProfSingleProcessPrivilege	2864	STUB3.EXE
Token: SeIncBasePriorityPrivilege	2864	STUB3.EXE
Token: SeCreatePagefilePrivilege	2864	STUB3.EXE
Token: SeBackupPrivilege	2864	STUB3.EXE
Token: SeRestorePrivilege	2864	STUB3.EXE
Token: SeShutdownPrivilege	2864	STUB3.EXE
Token: SeDebugPrivilege	2864	STUB3.EXE
Token: SeSystemEnvironmentPrivilege	2864	STUB3.EXE
Token: SeChangeNotifyPrivilege	2864	STUB3.EXE
Token: SeRemoteShutdownPrivilege	2864	STUB3.EXE
Token: SeUndockPrivilege	2864	STUB3.EXE
Token: SeManageVolumePrivilege	2864	STUB3.EXE
Token: SeImpersonatePrivilege	2864	STUB3.EXE
Token: SeCreateGlobalPrivilege	2864	STUB3.EXE
Token: 33	2864	STUB3.EXE
Token: 34	2864	STUB3.EXE
Token: 35	2864	STUB3.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid	Process
2296	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

STUB3.EXEDllHost.exe

pid	Process
2864	STUB3.EXE
2296	DllHost.exe
2296	DllHost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2660 wrote to memory of 2864	2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2864	2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2864	2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2864	2660	45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45c7ee4bed00a5fd364b477e874fc849_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\STUB3.EXE
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\STUB3.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2864

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2296

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

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\IMAGE(4).JPG

Filesize
3KB

MD5
f3da0474c96d29e6309e7dc3e7ff874c

SHA1
b4506f0511624031f729c505f7fd5b28055e6cf5

SHA256
14029c54292fd5b8985765d6c47a9cc927f72fb19ed4d434c1a6a59d723cbead

SHA512
c88fe33ef9c668aab0d0186161308cc8e9983de552f189baa0b6225f797f7fba97ce66de2d6613b42deb288f2599f798deb4a8ad530b3f5cbefe4c8baeb9b2f0

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\STUB3.EXE

Filesize
658KB

MD5
cf2b56d6d938a2fbccecf6735dd164dd

SHA1
6c02aa12b46cd27f5b41769fb97e1303e0c0eb9b

SHA256
137805bfc9c4c43a0e737e25e6d739c89b0957549bfe4c033450517517bc7a9d

SHA512
a402bd45a9997626100147e08081bfd1bf64b5b835f712f538184b6aa5bf8545a8fd62186c6591e979dccf2f9bd3fcdb845a1df383d3ecfea4a19a76bbc7d88d

Download Submit
memory/2296-20-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2296-4-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download
memory/2296-16-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2660-3-0x0000000000550000-0x0000000000552000-memory.dmp

Filesize
8KB

Download
memory/2660-14-0x0000000000930000-0x00000000009F5000-memory.dmp

Filesize
788KB

Download
memory/2660-0-0x0000000000930000-0x00000000009F5000-memory.dmp

Filesize
788KB

Download
memory/2864-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-17-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2864-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-22-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2864-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2864-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads