darkcomet | 45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdc

Analysis

max time kernel
120s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 01:10

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General

Target

45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
Size

520KB
MD5

c58745533bb498e3d4fed83625820cb0
SHA1

a06472f971ff3dc5b7181c9ff084039cd83d76ec
SHA256

45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdc
SHA512

23d274ec8b2ba05e4c735a8638ad66f6d8726413f4f58fa1ac37782c7dca07ef69be2661be41868d8dc447366aacbb37d63ff71c54f7eae86a82c3339ea27f39
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb4:f9fC3hh29Ya77A90aFtDfT5IMb4

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
4064	winupd.exe
4348	winupd.exe
3136	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3152 set thread context of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 4064 set thread context of 4348	4064	winupd.exe	98
PID 4064 set thread context of 3136	4064	winupd.exe	99

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3136-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3136-51-0x0000000000400000-0x00000000004B7000-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
4448	2328	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	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.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
2328	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3136	winupd.exe
Token: SeSecurityPrivilege	3136	winupd.exe
Token: SeTakeOwnershipPrivilege	3136	winupd.exe
Token: SeLoadDriverPrivilege	3136	winupd.exe
Token: SeSystemProfilePrivilege	3136	winupd.exe
Token: SeSystemtimePrivilege	3136	winupd.exe
Token: SeProfSingleProcessPrivilege	3136	winupd.exe
Token: SeIncBasePriorityPrivilege	3136	winupd.exe
Token: SeCreatePagefilePrivilege	3136	winupd.exe
Token: SeBackupPrivilege	3136	winupd.exe
Token: SeRestorePrivilege	3136	winupd.exe
Token: SeShutdownPrivilege	3136	winupd.exe
Token: SeDebugPrivilege	3136	winupd.exe
Token: SeSystemEnvironmentPrivilege	3136	winupd.exe
Token: SeChangeNotifyPrivilege	3136	winupd.exe
Token: SeRemoteShutdownPrivilege	3136	winupd.exe
Token: SeUndockPrivilege	3136	winupd.exe
Token: SeManageVolumePrivilege	3136	winupd.exe
Token: SeImpersonatePrivilege	3136	winupd.exe
Token: SeCreateGlobalPrivilege	3136	winupd.exe
Token: 33	3136	winupd.exe
Token: 34	3136	winupd.exe
Token: 35	3136	winupd.exe
Token: 36	3136	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
2268	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
4064	winupd.exe
4348	winupd.exe
3136	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 3152 wrote to memory of 2268	3152	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	93
PID 2268 wrote to memory of 4064	2268	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	94
PID 2268 wrote to memory of 4064	2268	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	94
PID 2268 wrote to memory of 4064	2268	45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe	94
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 4348	4064	winupd.exe	98
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4064 wrote to memory of 3136	4064	winupd.exe	99
PID 4348 wrote to memory of 2328	4348	winupd.exe	100
PID 4348 wrote to memory of 2328	4348	winupd.exe	100
PID 4348 wrote to memory of 2328	4348	winupd.exe	100
PID 4348 wrote to memory of 2328	4348	winupd.exe	100
PID 4348 wrote to memory of 2328	4348	winupd.exe	100

C:\Users\Admin\AppData\Local\Temp\45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
"C:\Users\Admin\AppData\Local\Temp\45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe
  "C:\Users\Admin\AppData\Local\Temp\45b413788443c5c29fa33b9f076f3a77f766e5c847bd8bae1b19730ee122ebdcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2268
- - 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:4064
  - - 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:4348
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2328
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 272
        6⤵
        Program crash
        
        PID:4448
  - - 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:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
1⤵
PID:2592

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
bd65b8d427a1fc6b9cb499e9ab83d5ad

SHA1
b87f058a7f17e99a3c08635cafe84c4532ba15b8

SHA256
b0db444cd8c8b015cdda76c394bf700b3921b0c5999f60deaab4493119e52145

SHA512
e8cb104f2ba825ce1ca6fceebc1564a15ca5e11ffe8e9e1662875b13cba0b4df8444534af606d337290d59fd0c2fef186dff1c04f27ae08676a6954830ff8855

Download Submit
memory/2268-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2268-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2268-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2268-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3136-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3136-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3152-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3152-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3152-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3152-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3152-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4064-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4064-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4064-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4348-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download