darkcomet | b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086a

Analysis

max time kernel
120s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 01:44

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General

Target

b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
Size

520KB
MD5

f6f38166b04a91e3c765da5b9f1dd2c0
SHA1

858013ca9a161cdc27c8facccbc0efad37e1c485
SHA256

b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086a
SHA512

6afc15a9c19cf0a4e82fd8503a843488220e5ae4f6329c9694d47c0cba1d97fc612f9d936c032a028382836a806e652a5e3e67dd38d341037af409fd29f76d37
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbe:f9fC3hh29Ya77A90aFtDfT5IMbe

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
Darkcomet family
darkcomet

Executes dropped EXE 3 IoCs

pid	Process
2016	winupd.exe
3292	winupd.exe
1752	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4700 set thread context of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 2016 set thread context of 3292	2016	winupd.exe	102
PID 2016 set thread context of 1752	2016	winupd.exe	103

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1752-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1752-50-0x0000000000400000-0x00000000004B7000-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	procid_target
4984	1508	WerFault.exe	104

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	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.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
1508	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1752	winupd.exe
Token: SeSecurityPrivilege	1752	winupd.exe
Token: SeTakeOwnershipPrivilege	1752	winupd.exe
Token: SeLoadDriverPrivilege	1752	winupd.exe
Token: SeSystemProfilePrivilege	1752	winupd.exe
Token: SeSystemtimePrivilege	1752	winupd.exe
Token: SeProfSingleProcessPrivilege	1752	winupd.exe
Token: SeIncBasePriorityPrivilege	1752	winupd.exe
Token: SeCreatePagefilePrivilege	1752	winupd.exe
Token: SeBackupPrivilege	1752	winupd.exe
Token: SeRestorePrivilege	1752	winupd.exe
Token: SeShutdownPrivilege	1752	winupd.exe
Token: SeDebugPrivilege	1752	winupd.exe
Token: SeSystemEnvironmentPrivilege	1752	winupd.exe
Token: SeChangeNotifyPrivilege	1752	winupd.exe
Token: SeRemoteShutdownPrivilege	1752	winupd.exe
Token: SeUndockPrivilege	1752	winupd.exe
Token: SeManageVolumePrivilege	1752	winupd.exe
Token: SeImpersonatePrivilege	1752	winupd.exe
Token: SeCreateGlobalPrivilege	1752	winupd.exe
Token: 33	1752	winupd.exe
Token: 34	1752	winupd.exe
Token: 35	1752	winupd.exe
Token: 36	1752	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
4144	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
2016	winupd.exe
3292	winupd.exe
1752	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4700 wrote to memory of 4144	4700	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	99
PID 4144 wrote to memory of 2016	4144	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	100
PID 4144 wrote to memory of 2016	4144	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	100
PID 4144 wrote to memory of 2016	4144	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	100
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 3292	2016	winupd.exe	102
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 2016 wrote to memory of 1752	2016	winupd.exe	103
PID 3292 wrote to memory of 1508	3292	winupd.exe	104
PID 3292 wrote to memory of 1508	3292	winupd.exe	104
PID 3292 wrote to memory of 1508	3292	winupd.exe	104
PID 3292 wrote to memory of 1508	3292	winupd.exe	104
PID 3292 wrote to memory of 1508	3292	winupd.exe	104

C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
"C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
  "C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4144
- - 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:2016
  - - 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:3292
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1508
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 272
        6⤵
        Program crash
        
        PID:4984
  - - 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:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1508 -ip 1508
1⤵
PID:4364

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

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Downloads

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

Filesize
520KB

MD5
13d8ca2ef3cbbb8ddc28bae611f896b5

SHA1
332dea8b2442e1a935f57428b50d7f16c776982d

SHA256
be42fc119ff6c5befda702f6c9c81d31545c81125948a144c6869c60d343015d

SHA512
85256c80984c0e7132b082ed2b601c0e21e317daca98662b423c1ea95cd5c2ca583f8d4b26b60ff5d62e1c978e33a75c45da5ca9da3b871f5077a679c3191697

Download Submit
memory/1752-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1752-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2016-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2016-39-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2016-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3292-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4144-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4144-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4144-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4144-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4700-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4700-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4700-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4700-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4700-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download