darkcomet | 692d84102100a7a337cdb689336bd9a33d0e6a20f05d63e59d2816405ae6a3c1

General

Target

56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe
Size

264KB
MD5

56c0a91b938a98ec4749b43c865780b7
SHA1

8b550412699c2e01842324edc1d6eca1b9caf9be
SHA256

692d84102100a7a337cdb689336bd9a33d0e6a20f05d63e59d2816405ae6a3c1
SHA512

2d4daf7b87eb69942bf77a2eab871562696f1a37d67da7c23e5717eb89277390c1eacb2996cd7aeed292e62f38ebc7f0c0eadbdb8c0ebbc7236808a61022cba1
SSDEEP

6144:/0ml5jD9WSCUHt5/DrAU2PXsCV9YzaSeSnpK4Vod:Nn9HPNdAU2HjYWSeSnpK4Kd

Score

10^/10

darkcomet guest111 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest111

C2

kostya05.no-ip.biz:1604

Mutex

DC_MUTEX-FYA8SEH

Attributes

gencode
4WSiBT0MEb4m
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

2.exe

pid	Process
4740	2.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/files/0x000b000000023bfc-4.dat	upx
behavioral2/memory/4740-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4740-33-0x0000000000400000-0x00000000004B7000-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:

56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe2.exeNOTEPAD.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Modifies registry class 1 IoCs

Processes:

56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

Processes:

NOTEPAD.EXE

pid	Process
3348	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

2.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4740	2.exe
Token: SeSecurityPrivilege	4740	2.exe
Token: SeTakeOwnershipPrivilege	4740	2.exe
Token: SeLoadDriverPrivilege	4740	2.exe
Token: SeSystemProfilePrivilege	4740	2.exe
Token: SeSystemtimePrivilege	4740	2.exe
Token: SeProfSingleProcessPrivilege	4740	2.exe
Token: SeIncBasePriorityPrivilege	4740	2.exe
Token: SeCreatePagefilePrivilege	4740	2.exe
Token: SeBackupPrivilege	4740	2.exe
Token: SeRestorePrivilege	4740	2.exe
Token: SeShutdownPrivilege	4740	2.exe
Token: SeDebugPrivilege	4740	2.exe
Token: SeSystemEnvironmentPrivilege	4740	2.exe
Token: SeChangeNotifyPrivilege	4740	2.exe
Token: SeRemoteShutdownPrivilege	4740	2.exe
Token: SeUndockPrivilege	4740	2.exe
Token: SeManageVolumePrivilege	4740	2.exe
Token: SeImpersonatePrivilege	4740	2.exe
Token: SeCreateGlobalPrivilege	4740	2.exe
Token: 33	4740	2.exe
Token: 34	4740	2.exe
Token: 35	4740	2.exe
Token: 36	4740	2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2.exe

pid	Process
4740	2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4496 wrote to memory of 4740	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	86
PID 4496 wrote to memory of 4740	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	86
PID 4496 wrote to memory of 4740	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	86
PID 4496 wrote to memory of 3348	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	87
PID 4496 wrote to memory of 3348	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	87
PID 4496 wrote to memory of 3348	4496	56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56c0a91b938a98ec4749b43c865780b7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4740
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\GoodsYandex.txt
  2⤵
  - System Location Discovery: System Language Discovery
  - Opens file in notepad (likely ransom note)
  PID:3348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
251KB

MD5
8717c8eb4c3d2d630845525c16f97d61

SHA1
32eb8d462cd847c109c74bfa9a4ae7a71c554cc2

SHA256
95e97a5a94db4665ea0e7f9c03e7b463996984b4aaee60516b4d3f05194aae8d

SHA512
51d5f3dacf2ca9ffe50154bf8b58f6471358f6af06788f15339a44d54c9c8db32eb3cbffe0da60445953763fbf309798e7671441769e06f6aa3b70ddf81a16b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\GoodsYandex.txt

Filesize
10KB

MD5
cd611959ef6c66b6e430a14bc0c2807b

SHA1
885285fcb10dc42aaab6dc9945f5d908e56c00ec

SHA256
31b5b317c963e5342eb5e850522eb0b111a278aca2c2ce7551557a1f54aba0aa

SHA512
3d218eda86e98f12b43599a743fe635ff4d4e1ab8f112ecd4d0a48af8570a991119bf90921630dd3b823b17e9e1775bc2cb60239c6473e72da5cad6d7db9b535

Download Submit
memory/4740-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-20-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/4740-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-15-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/4740-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4740-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads