darkcomet | 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 23:50

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General

Target

354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
Size

520KB
MD5

e18ab3843fa32dd1daf0575f3831fb17
SHA1

115854eaa8e45adcd9e3a863bd9872349cfe90d3
SHA256

354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d
SHA512

66f809581db6ee5cdfad8c32391e330e29b72ea51ec47dab0fc978b999ab5b918c63dea58f11e0be11400191e87e939257893bcdffc4f9e22e7b99ff561932e4
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb4:f9fC3hh29Ya77A90aFtDfT5IMb4

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
1892	winupd.exe
2316	winupd.exe
4964	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3996 set thread context of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 1892 set thread context of 2316	1892	winupd.exe	93
PID 1892 set thread context of 4964	1892	winupd.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4964-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4964-56-0x0000000000400000-0x00000000004B7000-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
1760	4288	WerFault.exe	95

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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.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
4288	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4964	winupd.exe
Token: SeSecurityPrivilege	4964	winupd.exe
Token: SeTakeOwnershipPrivilege	4964	winupd.exe
Token: SeLoadDriverPrivilege	4964	winupd.exe
Token: SeSystemProfilePrivilege	4964	winupd.exe
Token: SeSystemtimePrivilege	4964	winupd.exe
Token: SeProfSingleProcessPrivilege	4964	winupd.exe
Token: SeIncBasePriorityPrivilege	4964	winupd.exe
Token: SeCreatePagefilePrivilege	4964	winupd.exe
Token: SeBackupPrivilege	4964	winupd.exe
Token: SeRestorePrivilege	4964	winupd.exe
Token: SeShutdownPrivilege	4964	winupd.exe
Token: SeDebugPrivilege	4964	winupd.exe
Token: SeSystemEnvironmentPrivilege	4964	winupd.exe
Token: SeChangeNotifyPrivilege	4964	winupd.exe
Token: SeRemoteShutdownPrivilege	4964	winupd.exe
Token: SeUndockPrivilege	4964	winupd.exe
Token: SeManageVolumePrivilege	4964	winupd.exe
Token: SeImpersonatePrivilege	4964	winupd.exe
Token: SeCreateGlobalPrivilege	4964	winupd.exe
Token: 33	4964	winupd.exe
Token: 34	4964	winupd.exe
Token: 35	4964	winupd.exe
Token: 36	4964	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
3112	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
1892	winupd.exe
2316	winupd.exe
4964	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3996 wrote to memory of 3112	3996	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3112 wrote to memory of 1892	3112	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 3112 wrote to memory of 1892	3112	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 3112 wrote to memory of 1892	3112	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 2316	1892	winupd.exe	93
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 1892 wrote to memory of 4964	1892	winupd.exe	94
PID 2316 wrote to memory of 4288	2316	winupd.exe	95
PID 2316 wrote to memory of 4288	2316	winupd.exe	95
PID 2316 wrote to memory of 4288	2316	winupd.exe	95
PID 2316 wrote to memory of 4288	2316	winupd.exe	95
PID 2316 wrote to memory of 4288	2316	winupd.exe	95

C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
"C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
  "C:\Users\Admin\AppData\Local\Temp\354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3112
- - 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:1892
  - - 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:2316
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4288
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 272
        6⤵
        Program crash
        
        PID:1760
  - - 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:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
1⤵
PID:2104

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
ddd59a508ba8faf9c76966e2696f54ea

SHA1
91f01ea44488e8e0e0d8b213b2b931e169814533

SHA256
9616dd4156c7a3b44ee942b7a3f45364688f2b623bfd920d8e4b7c4c77bab86b

SHA512
f17669d681b3d9a3a275e89135f1a622186834ba924f247bebad4179b69bc087173391ba072166b0351fd551224cad783a52829fb6affa6797b1872689a629f3

Download Submit
memory/1892-32-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1892-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1892-28-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2316-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3112-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3112-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3112-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3112-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3996-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3996-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3996-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3996-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3996-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4964-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4964-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download