darkcomet | 30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:04

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General

Target

30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
Size

520KB
MD5

12d6c5408a59cb4744fea81bc2cea430
SHA1

23327837d91554876796a0bfff6fbfb873d50ed4
SHA256

30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4
SHA512

b8829f28ce992a530e4a7973735cae17b2382b12833e10352d395bc990d4eb33b5056ca9c14e2cbabd3571a254137d7263d71268b070ea6922a66cfbf3b75138
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbO:f9fC3hh29Ya77A90aFtDfT5IMbO

Score

10^/10

darkcomet privateeye discovery persistence 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
2316	winupd.exe
2104	winupd.exe
3004	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2316 set thread context of 2104	2316	winupd.exe	32
PID 2316 set thread context of 3004	2316	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3004-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3004-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.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
2684	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
680	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3004	winupd.exe
Token: SeSecurityPrivilege	3004	winupd.exe
Token: SeTakeOwnershipPrivilege	3004	winupd.exe
Token: SeLoadDriverPrivilege	3004	winupd.exe
Token: SeSystemProfilePrivilege	3004	winupd.exe
Token: SeSystemtimePrivilege	3004	winupd.exe
Token: SeProfSingleProcessPrivilege	3004	winupd.exe
Token: SeIncBasePriorityPrivilege	3004	winupd.exe
Token: SeCreatePagefilePrivilege	3004	winupd.exe
Token: SeBackupPrivilege	3004	winupd.exe
Token: SeRestorePrivilege	3004	winupd.exe
Token: SeShutdownPrivilege	3004	winupd.exe
Token: SeDebugPrivilege	3004	winupd.exe
Token: SeSystemEnvironmentPrivilege	3004	winupd.exe
Token: SeChangeNotifyPrivilege	3004	winupd.exe
Token: SeRemoteShutdownPrivilege	3004	winupd.exe
Token: SeUndockPrivilege	3004	winupd.exe
Token: SeManageVolumePrivilege	3004	winupd.exe
Token: SeImpersonatePrivilege	3004	winupd.exe
Token: SeCreateGlobalPrivilege	3004	winupd.exe
Token: 33	3004	winupd.exe
Token: 34	3004	winupd.exe
Token: 35	3004	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
2316	winupd.exe
2104	winupd.exe
3004	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2776 wrote to memory of 2400	2776	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	30
PID 2400 wrote to memory of 2316	2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	31
PID 2400 wrote to memory of 2316	2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	31
PID 2400 wrote to memory of 2316	2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	31
PID 2400 wrote to memory of 2316	2400	30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe	31
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 2104	2316	winupd.exe	32
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2316 wrote to memory of 3004	2316	winupd.exe	33
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2104 wrote to memory of 2684	2104	winupd.exe	34
PID 2684 wrote to memory of 2512	2684	ipconfig.exe	36
PID 2684 wrote to memory of 2512	2684	ipconfig.exe	36
PID 2684 wrote to memory of 2512	2684	ipconfig.exe	36
PID 2684 wrote to memory of 2512	2684	ipconfig.exe	36
PID 2512 wrote to memory of 680	2512	cmd.exe	38
PID 2512 wrote to memory of 680	2512	cmd.exe	38
PID 2512 wrote to memory of 680	2512	cmd.exe	38
PID 2512 wrote to memory of 680	2512	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
"C:\Users\Admin\AppData\Local\Temp\30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe
  "C:\Users\Admin\AppData\Local\Temp\30ef3e22505c004c19752a055ca1368ba6347d5aadb041ae20d9b8d81bf9dde4N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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:2316
  - - 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:2104
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2684
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BKBTLHCV.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2512
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:680
  - - 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:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\BKBTLHCV.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
5f74160f8c87447a3a4577a957e2f426

SHA1
bdb5472acb7de2298525b262f1fd313ea9eba1cd

SHA256
c6e9024dcacb6458e2a7623feb7201b055a7235ddf7eebe431fe92e9504c2ab7

SHA512
8a3f5f59fb077df0bbf74bf8c24ef899a50aa24d7654d4438c7143d3f3e5edb73e4d8b05a3c27c63ba8008d0ac1aa4fddb61f9e84fe5a960d70ba87c3000ed7f

Download Submit
memory/2104-77-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2316-69-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2316-44-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2316-45-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2316-60-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2400-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2400-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2400-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2400-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2400-64-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2400-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-72-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2776-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2776-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2776-16-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2776-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3004-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads