darkcomet | 524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 16:40

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General

Target

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Size

520KB
MD5

b5f9d5be9ef81d9df4c75d1cd858935d
SHA1

f9d069a7caf694868e72d3a966df3d6dd0c1d344
SHA256

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5
SHA512

513b7eddde98d0ce24ed7916a894d0ed204705658f0b6906427b41ab04158f0d7cd6f3c3ae267e11b677462b655567d938aaa254d4647f216c33b92e4331a9b0
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb2:f9fC3hh29Ya77A90aFtDfT5IMb2

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
2500	winupd.exe
4756	winupd.exe
3920	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 2500 set thread context of 4756	2500	winupd.exe	98
PID 2500 set thread context of 3920	2500	winupd.exe	99

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3920-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3920-53-0x0000000000400000-0x00000000004B7000-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
4844	3180	WerFault.exe	100

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	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.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
3180	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3920	winupd.exe
Token: SeSecurityPrivilege	3920	winupd.exe
Token: SeTakeOwnershipPrivilege	3920	winupd.exe
Token: SeLoadDriverPrivilege	3920	winupd.exe
Token: SeSystemProfilePrivilege	3920	winupd.exe
Token: SeSystemtimePrivilege	3920	winupd.exe
Token: SeProfSingleProcessPrivilege	3920	winupd.exe
Token: SeIncBasePriorityPrivilege	3920	winupd.exe
Token: SeCreatePagefilePrivilege	3920	winupd.exe
Token: SeBackupPrivilege	3920	winupd.exe
Token: SeRestorePrivilege	3920	winupd.exe
Token: SeShutdownPrivilege	3920	winupd.exe
Token: SeDebugPrivilege	3920	winupd.exe
Token: SeSystemEnvironmentPrivilege	3920	winupd.exe
Token: SeChangeNotifyPrivilege	3920	winupd.exe
Token: SeRemoteShutdownPrivilege	3920	winupd.exe
Token: SeUndockPrivilege	3920	winupd.exe
Token: SeManageVolumePrivilege	3920	winupd.exe
Token: SeImpersonatePrivilege	3920	winupd.exe
Token: SeCreateGlobalPrivilege	3920	winupd.exe
Token: 33	3920	winupd.exe
Token: 34	3920	winupd.exe
Token: 35	3920	winupd.exe
Token: 36	3920	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
964	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
2500	winupd.exe
4756	winupd.exe
3920	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 1808 wrote to memory of 964	1808	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	93
PID 964 wrote to memory of 2500	964	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	94
PID 964 wrote to memory of 2500	964	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	94
PID 964 wrote to memory of 2500	964	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	94
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 4756	2500	winupd.exe	98
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 2500 wrote to memory of 3920	2500	winupd.exe	99
PID 4756 wrote to memory of 3180	4756	winupd.exe	100
PID 4756 wrote to memory of 3180	4756	winupd.exe	100
PID 4756 wrote to memory of 3180	4756	winupd.exe	100
PID 4756 wrote to memory of 3180	4756	winupd.exe	100
PID 4756 wrote to memory of 3180	4756	winupd.exe	100

C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
"C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
  "C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:964
- - 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:2500
  - - 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:4756
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:3180
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 272
        6⤵
        Program crash
        
        PID:4844
  - - 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:3920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3180 -ip 3180
1⤵
PID:2508

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
e2f91c4d475b1164dfeac1456ce2885a

SHA1
85ef78fd324d863ab8c185437c03b00c0f59c689

SHA256
de0323d35600805d8a75e85d5891e3a3ac40836a449dfdb19e8405efbcbd610b

SHA512
d99afcf93360d37762bfaa92f20c64c13bc1dc46c324a4004c531634e9294f9dff203bad3b8f5cd0d534178f86f8956006b164daad1d4d3beaa62d2112d9c713

Download Submit
memory/964-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/964-10-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/964-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/964-23-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1808-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1808-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1808-5-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1808-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1808-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1808-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2500-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2500-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2500-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3920-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3920-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4756-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download