darkcomet | 2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0ac

General

Target

2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe
Size

282KB
MD5

f187ed4f766f4e8529ded7c305b260e0
SHA1

1e5cf286d066697212b694310a99c9b3d684c904
SHA256

2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0ac
SHA512

7a95ccd4a4617f3081580fcf9db6fa06bb949a12e1178bfe1a16873897df9a5e27c65f0a70623eee85baa0dffec8e6bafe52dd3770a656e448821e2a5d176b91
SSDEEP

6144:Q7DuIRToyeNNkwLq/oCjEqfZgDQJa342ERAiU8AIHHA+:kTo1ZqfjEGZiMRAiU+HA

Score

10^/10

darkcomet rs discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

RS

C2

hoszelaar.no-ip.org:10101

Mutex

DC_MUTEX-X4K5D3S

Attributes

gencode
NKcVDHlXwyol
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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\wintaskmgr = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wintaskmgr.exe"	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2996 set thread context of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/836-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-7-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-19-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/836-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

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	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	836	vbc.exe
Token: SeSecurityPrivilege	836	vbc.exe
Token: SeTakeOwnershipPrivilege	836	vbc.exe
Token: SeLoadDriverPrivilege	836	vbc.exe
Token: SeSystemProfilePrivilege	836	vbc.exe
Token: SeSystemtimePrivilege	836	vbc.exe
Token: SeProfSingleProcessPrivilege	836	vbc.exe
Token: SeIncBasePriorityPrivilege	836	vbc.exe
Token: SeCreatePagefilePrivilege	836	vbc.exe
Token: SeBackupPrivilege	836	vbc.exe
Token: SeRestorePrivilege	836	vbc.exe
Token: SeShutdownPrivilege	836	vbc.exe
Token: SeDebugPrivilege	836	vbc.exe
Token: SeSystemEnvironmentPrivilege	836	vbc.exe
Token: SeChangeNotifyPrivilege	836	vbc.exe
Token: SeRemoteShutdownPrivilege	836	vbc.exe
Token: SeUndockPrivilege	836	vbc.exe
Token: SeManageVolumePrivilege	836	vbc.exe
Token: SeImpersonatePrivilege	836	vbc.exe
Token: SeCreateGlobalPrivilege	836	vbc.exe
Token: 33	836	vbc.exe
Token: 34	836	vbc.exe
Token: 35	836	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
836	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28
PID 2996 wrote to memory of 836	2996	2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe	28

C:\Users\Admin\AppData\Local\Temp\2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe
"C:\Users\Admin\AppData\Local\Temp\2efda4c48dbd4b50cdef0073ef74efe54faa67e3e091f37c929fd1cba611f0acN.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/836-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-4-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/836-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-18-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/836-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/836-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2996-0-0x0000000074761000-0x0000000074762000-memory.dmp

Filesize
4KB

Download
memory/2996-15-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/2996-1-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/2996-2-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads