darkcomet | 354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d

Analysis

max time kernel
120s
max time network
120s
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 23:48

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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
4128	winupd.exe
1720	winupd.exe
3596	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3232 set thread context of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 4128 set thread context of 1720	4128	winupd.exe	93
PID 4128 set thread context of 3596	4128	winupd.exe	94

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3596-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3596-53-0x0000000000400000-0x00000000004B7000-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
1056	4864	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	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.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
4864	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3596	winupd.exe
Token: SeSecurityPrivilege	3596	winupd.exe
Token: SeTakeOwnershipPrivilege	3596	winupd.exe
Token: SeLoadDriverPrivilege	3596	winupd.exe
Token: SeSystemProfilePrivilege	3596	winupd.exe
Token: SeSystemtimePrivilege	3596	winupd.exe
Token: SeProfSingleProcessPrivilege	3596	winupd.exe
Token: SeIncBasePriorityPrivilege	3596	winupd.exe
Token: SeCreatePagefilePrivilege	3596	winupd.exe
Token: SeBackupPrivilege	3596	winupd.exe
Token: SeRestorePrivilege	3596	winupd.exe
Token: SeShutdownPrivilege	3596	winupd.exe
Token: SeDebugPrivilege	3596	winupd.exe
Token: SeSystemEnvironmentPrivilege	3596	winupd.exe
Token: SeChangeNotifyPrivilege	3596	winupd.exe
Token: SeRemoteShutdownPrivilege	3596	winupd.exe
Token: SeUndockPrivilege	3596	winupd.exe
Token: SeManageVolumePrivilege	3596	winupd.exe
Token: SeImpersonatePrivilege	3596	winupd.exe
Token: SeCreateGlobalPrivilege	3596	winupd.exe
Token: 33	3596	winupd.exe
Token: 34	3596	winupd.exe
Token: 35	3596	winupd.exe
Token: 36	3596	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
372	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe
4128	winupd.exe
1720	winupd.exe
3596	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 3232 wrote to memory of 372	3232	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	89
PID 372 wrote to memory of 4128	372	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 372 wrote to memory of 4128	372	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 372 wrote to memory of 4128	372	354e7c77e46144d71b496b4ff182fdc6c55a993a7de7a9f42448754299afc40d.exe	90
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 1720	4128	winupd.exe	93
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 4128 wrote to memory of 3596	4128	winupd.exe	94
PID 1720 wrote to memory of 4864	1720	winupd.exe	95
PID 1720 wrote to memory of 4864	1720	winupd.exe	95
PID 1720 wrote to memory of 4864	1720	winupd.exe	95
PID 1720 wrote to memory of 4864	1720	winupd.exe	95
PID 1720 wrote to memory of 4864	1720	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:3232
- 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:372
- - 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:4128
  - - 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:1720
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4864
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 280
        6⤵
        Program crash
        
        PID:1056
  - - 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:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4864 -ip 4864
1⤵
PID:3728

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
d5654dd26fc2600c8022e8ac8d3e9437

SHA1
4de5e5ff4511b9f7314ed666a69ef5e26f7cee54

SHA256
5cad1a08376c96b2ed3bc7872637263a884a7d03ffb37783428e1082ad315fa9

SHA512
ab1c0d644c030c4a95388d326074c043dc7e2f03e99cac445e31a1328bedd2ee79ad84f95e29663489f5d6fb16eff77ad5384ebd84ebcab00f1b428ebbf9603f

Download Submit
memory/372-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/372-10-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/372-23-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/372-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1720-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3232-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3232-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3232-7-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3232-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3232-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3232-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3596-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3596-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4128-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4128-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4128-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download