darkcomet | 671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1e

Analysis

max time kernel
119s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 00:45

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General

Target

671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe
Size

520KB
MD5

432115ab250f999b8c65e4893abbbcb0
SHA1

6932aab2652e45e7318dfd3da127717395990408
SHA256

671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1e
SHA512

7fd3a5860a69258b4022cc4205b5a875ddf8c792ae14d916bd20636cb0149a795f12bdc2fa43620f4f9aaeef86e1ca74d2529fb9f76a0ca3b0117e5678247a98
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbf:f9fC3hh29Ya77A90aFtDfT5IMbf

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
4200	winupd.exe
4948	winupd.exe
2612	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1816 set thread context of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 4200 set thread context of 4948	4200	winupd.exe	101
PID 4200 set thread context of 2612	4200	winupd.exe	102

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2612-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2612-54-0x0000000000400000-0x00000000004B7000-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
4388	2284	WerFault.exe	103

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	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.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
2284	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2612	winupd.exe
Token: SeSecurityPrivilege	2612	winupd.exe
Token: SeTakeOwnershipPrivilege	2612	winupd.exe
Token: SeLoadDriverPrivilege	2612	winupd.exe
Token: SeSystemProfilePrivilege	2612	winupd.exe
Token: SeSystemtimePrivilege	2612	winupd.exe
Token: SeProfSingleProcessPrivilege	2612	winupd.exe
Token: SeIncBasePriorityPrivilege	2612	winupd.exe
Token: SeCreatePagefilePrivilege	2612	winupd.exe
Token: SeBackupPrivilege	2612	winupd.exe
Token: SeRestorePrivilege	2612	winupd.exe
Token: SeShutdownPrivilege	2612	winupd.exe
Token: SeDebugPrivilege	2612	winupd.exe
Token: SeSystemEnvironmentPrivilege	2612	winupd.exe
Token: SeChangeNotifyPrivilege	2612	winupd.exe
Token: SeRemoteShutdownPrivilege	2612	winupd.exe
Token: SeUndockPrivilege	2612	winupd.exe
Token: SeManageVolumePrivilege	2612	winupd.exe
Token: SeImpersonatePrivilege	2612	winupd.exe
Token: SeCreateGlobalPrivilege	2612	winupd.exe
Token: 33	2612	winupd.exe
Token: 34	2612	winupd.exe
Token: 35	2612	winupd.exe
Token: 36	2612	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe
2704	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe
4200	winupd.exe
4948	winupd.exe
2612	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 1816 wrote to memory of 2704	1816	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	96
PID 2704 wrote to memory of 4200	2704	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	97
PID 2704 wrote to memory of 4200	2704	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	97
PID 2704 wrote to memory of 4200	2704	671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe	97
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 4948	4200	winupd.exe	101
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4200 wrote to memory of 2612	4200	winupd.exe	102
PID 4948 wrote to memory of 2284	4948	winupd.exe	103
PID 4948 wrote to memory of 2284	4948	winupd.exe	103
PID 4948 wrote to memory of 2284	4948	winupd.exe	103
PID 4948 wrote to memory of 2284	4948	winupd.exe	103
PID 4948 wrote to memory of 2284	4948	winupd.exe	103

C:\Users\Admin\AppData\Local\Temp\671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe
"C:\Users\Admin\AppData\Local\Temp\671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Users\Admin\AppData\Local\Temp\671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe
  "C:\Users\Admin\AppData\Local\Temp\671aaaa3987ae62363072f9219417ebd913c76751ddd893b4e07940a90868d1eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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:4200
  - - 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:4948
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2284
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 272
        6⤵
        Program crash
        
        PID:4388
  - - 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:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2284 -ip 2284
1⤵
PID:4768

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
48c4274dcb2cfcdd199688e4dfa77ef5

SHA1
d632eb45965aa012a25264a841d121518fa2e430

SHA256
e66008cd79b6cbf571d18ca602b1e46a5d27ec7c7d0545307370a2e23ba972f3

SHA512
5b28d7dbade5fd95853bf1756b9d2b82226c22c73121062a8c4411c4e9b937ce08e75ce3b02e80be64634a143f248eda11a64d59dbe4917a082b1bfb472b42c2

Download Submit
memory/1816-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1816-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1816-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1816-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1816-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2612-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2612-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2704-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2704-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2704-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2704-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4200-39-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4200-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4200-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4948-45-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4948-35-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download