darkcomet | de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055e

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2024, 07:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
Size

520KB
MD5

c3697e13cbc8f1fa7f4c46bc740ba6e0
SHA1

32113cf10c01b6b453647acbb1a6958939f7234c
SHA256

de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055e
SHA512

3dd534b3a259963848eb4ce55443589c174f3bca01015e6f3932364255275f3dab8bb8720176413280a8520608d501111f0d803834b22bdb37adbff7ee266e70
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbJ:f9fC3hh29Ya77A90aFtDfT5IMbJ

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
3496	winupd.exe
4388	winupd.exe
1864	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4132 set thread context of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 3496 set thread context of 4388	3496	winupd.exe	104
PID 3496 set thread context of 1864	3496	winupd.exe	105

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1864-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1864-51-0x0000000000400000-0x00000000004B7000-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
912	1148	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1148	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1864	winupd.exe
Token: SeSecurityPrivilege	1864	winupd.exe
Token: SeTakeOwnershipPrivilege	1864	winupd.exe
Token: SeLoadDriverPrivilege	1864	winupd.exe
Token: SeSystemProfilePrivilege	1864	winupd.exe
Token: SeSystemtimePrivilege	1864	winupd.exe
Token: SeProfSingleProcessPrivilege	1864	winupd.exe
Token: SeIncBasePriorityPrivilege	1864	winupd.exe
Token: SeCreatePagefilePrivilege	1864	winupd.exe
Token: SeBackupPrivilege	1864	winupd.exe
Token: SeRestorePrivilege	1864	winupd.exe
Token: SeShutdownPrivilege	1864	winupd.exe
Token: SeDebugPrivilege	1864	winupd.exe
Token: SeSystemEnvironmentPrivilege	1864	winupd.exe
Token: SeChangeNotifyPrivilege	1864	winupd.exe
Token: SeRemoteShutdownPrivilege	1864	winupd.exe
Token: SeUndockPrivilege	1864	winupd.exe
Token: SeManageVolumePrivilege	1864	winupd.exe
Token: SeImpersonatePrivilege	1864	winupd.exe
Token: SeCreateGlobalPrivilege	1864	winupd.exe
Token: 33	1864	winupd.exe
Token: 34	1864	winupd.exe
Token: 35	1864	winupd.exe
Token: 36	1864	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
4352	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
3496	winupd.exe
4388	winupd.exe
1864	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4132 wrote to memory of 4352	4132	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	98
PID 4352 wrote to memory of 3496	4352	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	99
PID 4352 wrote to memory of 3496	4352	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	99
PID 4352 wrote to memory of 3496	4352	de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe	99
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 4388	3496	winupd.exe	104
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 3496 wrote to memory of 1864	3496	winupd.exe	105
PID 4388 wrote to memory of 1148	4388	winupd.exe	106
PID 4388 wrote to memory of 1148	4388	winupd.exe	106
PID 4388 wrote to memory of 1148	4388	winupd.exe	106
PID 4388 wrote to memory of 1148	4388	winupd.exe	106
PID 4388 wrote to memory of 1148	4388	winupd.exe	106

C:\Users\Admin\AppData\Local\Temp\de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
"C:\Users\Admin\AppData\Local\Temp\de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe
  "C:\Users\Admin\AppData\Local\Temp\de25250f2f57f4e9dcedbdc653baafd2ee60e87e8d5523ac1221a80df5ef055eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3496
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4388
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1148
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 272
        6⤵
        Program crash
        
        PID:912
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 1148
1⤵
PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
d4568ba941dc9d90013fc901ecf33994

SHA1
09d04316005b68e4b7d8d1db135d99b7eec0a14f

SHA256
2088b6b3f4a8c6a01c905b94bd67a5fce08ae49221ba4098a4deb5af0a2793bd

SHA512
6b34396a186708fed127ef5e2bec5859c7039c9c98e4e65152e1ea0307520adfd800cfddad2468341d3649769b440c9998319fb03301a8cd6f4560e454b13d44

Download Submit
memory/1864-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1864-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3496-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3496-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3496-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4132-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4132-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4132-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4132-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4132-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4352-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4352-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4352-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4352-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4388-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download