darkcomet | 8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53

Analysis

max time kernel
150s
max time network
151s
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, 00:05

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General

Target

8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
Size

520KB
MD5

818296cd80b27e4dc5b2b94b538e0252
SHA1

330cc71d4b9d915b84d15ff2beee0a12820d9962
SHA256

8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53
SHA512

56b160fd3f0819066ef61df5c20c769aa99993c03b3f73030d01e3e137f08ba0ecf9c9097a76d10bbd1de57de3f32d40bf41b03c6d860d89571aae0a56d6a1b6
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbT:f9fC3hh29Ya77A90aFtDfT5IMbT

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
4760	winupd.exe
4428	winupd.exe
3796	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 4760 set thread context of 4428	4760	winupd.exe	102
PID 4760 set thread context of 3796	4760	winupd.exe	103

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3796-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3796-54-0x0000000000400000-0x00000000004B7000-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
3228	5052	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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.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
5052	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3796	winupd.exe
Token: SeSecurityPrivilege	3796	winupd.exe
Token: SeTakeOwnershipPrivilege	3796	winupd.exe
Token: SeLoadDriverPrivilege	3796	winupd.exe
Token: SeSystemProfilePrivilege	3796	winupd.exe
Token: SeSystemtimePrivilege	3796	winupd.exe
Token: SeProfSingleProcessPrivilege	3796	winupd.exe
Token: SeIncBasePriorityPrivilege	3796	winupd.exe
Token: SeCreatePagefilePrivilege	3796	winupd.exe
Token: SeBackupPrivilege	3796	winupd.exe
Token: SeRestorePrivilege	3796	winupd.exe
Token: SeShutdownPrivilege	3796	winupd.exe
Token: SeDebugPrivilege	3796	winupd.exe
Token: SeSystemEnvironmentPrivilege	3796	winupd.exe
Token: SeChangeNotifyPrivilege	3796	winupd.exe
Token: SeRemoteShutdownPrivilege	3796	winupd.exe
Token: SeUndockPrivilege	3796	winupd.exe
Token: SeManageVolumePrivilege	3796	winupd.exe
Token: SeImpersonatePrivilege	3796	winupd.exe
Token: SeCreateGlobalPrivilege	3796	winupd.exe
Token: 33	3796	winupd.exe
Token: 34	3796	winupd.exe
Token: 35	3796	winupd.exe
Token: 36	3796	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
764	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
4760	winupd.exe
4428	winupd.exe
3796	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 1080 wrote to memory of 764	1080	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	97
PID 764 wrote to memory of 4760	764	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	98
PID 764 wrote to memory of 4760	764	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	98
PID 764 wrote to memory of 4760	764	8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe	98
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 4428	4760	winupd.exe	102
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4760 wrote to memory of 3796	4760	winupd.exe	103
PID 4428 wrote to memory of 5052	4428	winupd.exe	104
PID 4428 wrote to memory of 5052	4428	winupd.exe	104
PID 4428 wrote to memory of 5052	4428	winupd.exe	104
PID 4428 wrote to memory of 5052	4428	winupd.exe	104
PID 4428 wrote to memory of 5052	4428	winupd.exe	104

C:\Users\Admin\AppData\Local\Temp\8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
"C:\Users\Admin\AppData\Local\Temp\8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe
  "C:\Users\Admin\AppData\Local\Temp\8258b5e277641a60e091ac32e4ca7d8ddc8d4de565c61f4b4bd54d6472ebaa53.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:764
- - 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:4760
  - - 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:4428
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:5052
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 272
        6⤵
        Program crash
        
        PID:3228
  - - 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:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:1092

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
e78c75960caab23f99387c7af3dd46d3

SHA1
f03cdae6f0d5ec010254a1d208202584e2c7c81a

SHA256
f9530b4a32bef5fe6fdfe683523545abf6f04351fb624b384229550bf086e7a1

SHA512
2162429d1e655404511890a3959d21e7e0eea0fdd8a75676781035acb2a5d2173a7636a849aecac0be67f2e0e9a6bd4a503db28ad02bdbbf2a8cbbccf55cd9c5

Download Submit
memory/764-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/764-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/764-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/764-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1080-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1080-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1080-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1080-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3796-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4428-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4760-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4760-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4760-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download