darkcomet | 5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6

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
01/01/2025, 23:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
Size

520KB
MD5

ef9bde652f3f2ef3dd6899cb39e48130
SHA1

c6a2673bb81ea5df6126c0ce486464f9ffc2545d
SHA256

5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6
SHA512

9e30484886e7d8a3063378c0d31a95409717a1ebd0b49eb4ea719788b39cff0ecad53974a7fe7b56bd832a862c37fa00cea2afc65ee1160e434f2da9efe4a9df
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbh:f9fC3hh29Ya77A90aFtDfT5IMbh

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
5008	winupd.exe
3984	winupd.exe
1692	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 5008 set thread context of 3984	5008	winupd.exe	100
PID 5008 set thread context of 1692	5008	winupd.exe	101

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1692-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1692-50-0x0000000000400000-0x00000000004B7000-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
3680	1836	WerFault.exe	102

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	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.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
1836	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1692	winupd.exe
Token: SeSecurityPrivilege	1692	winupd.exe
Token: SeTakeOwnershipPrivilege	1692	winupd.exe
Token: SeLoadDriverPrivilege	1692	winupd.exe
Token: SeSystemProfilePrivilege	1692	winupd.exe
Token: SeSystemtimePrivilege	1692	winupd.exe
Token: SeProfSingleProcessPrivilege	1692	winupd.exe
Token: SeIncBasePriorityPrivilege	1692	winupd.exe
Token: SeCreatePagefilePrivilege	1692	winupd.exe
Token: SeBackupPrivilege	1692	winupd.exe
Token: SeRestorePrivilege	1692	winupd.exe
Token: SeShutdownPrivilege	1692	winupd.exe
Token: SeDebugPrivilege	1692	winupd.exe
Token: SeSystemEnvironmentPrivilege	1692	winupd.exe
Token: SeChangeNotifyPrivilege	1692	winupd.exe
Token: SeRemoteShutdownPrivilege	1692	winupd.exe
Token: SeUndockPrivilege	1692	winupd.exe
Token: SeManageVolumePrivilege	1692	winupd.exe
Token: SeImpersonatePrivilege	1692	winupd.exe
Token: SeCreateGlobalPrivilege	1692	winupd.exe
Token: 33	1692	winupd.exe
Token: 34	1692	winupd.exe
Token: 35	1692	winupd.exe
Token: 36	1692	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
3640	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
5008	winupd.exe
3984	winupd.exe
1692	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3492 wrote to memory of 3640	3492	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	98
PID 3640 wrote to memory of 5008	3640	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	99
PID 3640 wrote to memory of 5008	3640	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	99
PID 3640 wrote to memory of 5008	3640	5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe	99
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 3984	5008	winupd.exe	100
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 5008 wrote to memory of 1692	5008	winupd.exe	101
PID 3984 wrote to memory of 1836	3984	winupd.exe	102
PID 3984 wrote to memory of 1836	3984	winupd.exe	102
PID 3984 wrote to memory of 1836	3984	winupd.exe	102
PID 3984 wrote to memory of 1836	3984	winupd.exe	102
PID 3984 wrote to memory of 1836	3984	winupd.exe	102

C:\Users\Admin\AppData\Local\Temp\5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
"C:\Users\Admin\AppData\Local\Temp\5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ca4e0ff5d89afc615b182b55b62398caef27525dd6ba7827c44fb7e1ed138c6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3640
- - 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:5008
  - - 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:3984
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1836
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 272
        6⤵
        Program crash
        
        PID:3680
  - - 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:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1836 -ip 1836
1⤵
PID:4744

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
5e975fdaa9e5bc5ed495d8a093a2a7b9

SHA1
5bbe64a33a93be768b771810b07cb08bb6a9fad5

SHA256
32d1ca1f2491878bfe8e075a4754cfabe02e96573fae63e87fa99357baadd4fe

SHA512
9617465612bd1c700905be45f2b51dee48b3dafe06d302183340231b8251420c2840b798b5921c7f1fa2acf5e0d70d8ec3aa805f432446bc4f8874ac361f28d3

Download Submit
memory/1692-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1692-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3492-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3492-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3492-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3640-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3984-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5008-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5008-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5008-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download