darkcomet | 1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630

Analysis

max time kernel
120s
max time network
118s
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 20:34

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General

Target

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
Size

520KB
MD5

ba49416551a9167e624a8edbfa630140
SHA1

1ba7883e87d8841dfb2fd33dfce3aa08f4ddcef2
SHA256

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630
SHA512

facf64b14db184efb38646d65431c993a0647790187c7fb218b434fee92afd0d3c5bec5e914272fd7920e52d8dea5e67586caae175a196345ceedfa68d905247
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb+:f9fC3hh29Ya77A90aFtDfT5IMb+

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

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
4180	winupd.exe
4412	winupd.exe
3640	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exe

description	pid	Process	procid_target
PID 736 set thread context of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 4180 set thread context of 4412	4180	winupd.exe	102
PID 4180 set thread context of 3640	4180	winupd.exe	103

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3640-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3640-51-0x0000000000400000-0x00000000004B7000-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

Processes:

WerFault.exe

pid	pid_target	Process
1520	2776	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

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exewinupd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.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

Processes:

ipconfig.exe

pid	Process
2776	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3640	winupd.exe
Token: SeSecurityPrivilege	3640	winupd.exe
Token: SeTakeOwnershipPrivilege	3640	winupd.exe
Token: SeLoadDriverPrivilege	3640	winupd.exe
Token: SeSystemProfilePrivilege	3640	winupd.exe
Token: SeSystemtimePrivilege	3640	winupd.exe
Token: SeProfSingleProcessPrivilege	3640	winupd.exe
Token: SeIncBasePriorityPrivilege	3640	winupd.exe
Token: SeCreatePagefilePrivilege	3640	winupd.exe
Token: SeBackupPrivilege	3640	winupd.exe
Token: SeRestorePrivilege	3640	winupd.exe
Token: SeShutdownPrivilege	3640	winupd.exe
Token: SeDebugPrivilege	3640	winupd.exe
Token: SeSystemEnvironmentPrivilege	3640	winupd.exe
Token: SeChangeNotifyPrivilege	3640	winupd.exe
Token: SeRemoteShutdownPrivilege	3640	winupd.exe
Token: SeUndockPrivilege	3640	winupd.exe
Token: SeManageVolumePrivilege	3640	winupd.exe
Token: SeImpersonatePrivilege	3640	winupd.exe
Token: SeCreateGlobalPrivilege	3640	winupd.exe
Token: 33	3640	winupd.exe
Token: 34	3640	winupd.exe
Token: 35	3640	winupd.exe
Token: 36	3640	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exewinupd.exe

pid	Process
736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
3892	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
4180	winupd.exe
4412	winupd.exe
3640	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 736 wrote to memory of 3892	736	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	96
PID 3892 wrote to memory of 4180	3892	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	97
PID 3892 wrote to memory of 4180	3892	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	97
PID 3892 wrote to memory of 4180	3892	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	97
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 4412	4180	winupd.exe	102
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4180 wrote to memory of 3640	4180	winupd.exe	103
PID 4412 wrote to memory of 2776	4412	winupd.exe	104
PID 4412 wrote to memory of 2776	4412	winupd.exe	104
PID 4412 wrote to memory of 2776	4412	winupd.exe	104
PID 4412 wrote to memory of 2776	4412	winupd.exe	104
PID 4412 wrote to memory of 2776	4412	winupd.exe	104

C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
"C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
  "C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3892
- - 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:4180
  - - 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:4412
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2776
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 272
        6⤵
        Program crash
        
        PID:1520
  - - 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:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2776 -ip 2776
1⤵
PID:4884

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
12ddf72942cf4a0f72c9ee5e393a4ab4

SHA1
b886fa68c166c3859a05271edf30ea7846b9dc65

SHA256
1a57025f5bc163b4b7109019a6c6583dd3ce6ebe15d237f6e63925c1d4e58a04

SHA512
09424ac875cb5c4838d2367cb3bd1c966fa1ac55f455ceab71bd11cda934d2516fc2a2172467c5460fbce42f8dd832cfcf1778abf688b9a9a30a612dc6677858

Download Submit
memory/736-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/736-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/736-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/736-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/736-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3640-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3640-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3892-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3892-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3892-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3892-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4180-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4180-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4180-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4412-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download