darkcomet | 4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ff

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 05:20

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General

Target

4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
Size

520KB
MD5

de36061ff28a39f72982ba16a836aab0
SHA1

dbae1d7cf090303969b2f8e3a5938b56d11ec316
SHA256

4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ff
SHA512

5a56dce02829d675173cf6a7e9afcbcbd6b18708d8c25123ed730275610ff122d364549ba46ed420253b506b13d309a951a4e9cc48a39a3447d3be9597e02201
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbi:f9fC3hh29Ya77A90aFtDfT5IMbi

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
3300	winupd.exe
5064	winupd.exe
228	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 3300 set thread context of 5064	3300	winupd.exe	96
PID 3300 set thread context of 228	3300	winupd.exe	97

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/228-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/228-53-0x0000000000400000-0x00000000004B7000-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
456	720	WerFault.exe	98

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	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	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.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
720	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	228	winupd.exe
Token: SeSecurityPrivilege	228	winupd.exe
Token: SeTakeOwnershipPrivilege	228	winupd.exe
Token: SeLoadDriverPrivilege	228	winupd.exe
Token: SeSystemProfilePrivilege	228	winupd.exe
Token: SeSystemtimePrivilege	228	winupd.exe
Token: SeProfSingleProcessPrivilege	228	winupd.exe
Token: SeIncBasePriorityPrivilege	228	winupd.exe
Token: SeCreatePagefilePrivilege	228	winupd.exe
Token: SeBackupPrivilege	228	winupd.exe
Token: SeRestorePrivilege	228	winupd.exe
Token: SeShutdownPrivilege	228	winupd.exe
Token: SeDebugPrivilege	228	winupd.exe
Token: SeSystemEnvironmentPrivilege	228	winupd.exe
Token: SeChangeNotifyPrivilege	228	winupd.exe
Token: SeRemoteShutdownPrivilege	228	winupd.exe
Token: SeUndockPrivilege	228	winupd.exe
Token: SeManageVolumePrivilege	228	winupd.exe
Token: SeImpersonatePrivilege	228	winupd.exe
Token: SeCreateGlobalPrivilege	228	winupd.exe
Token: 33	228	winupd.exe
Token: 34	228	winupd.exe
Token: 35	228	winupd.exe
Token: 36	228	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
3240	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
3300	winupd.exe
5064	winupd.exe
228	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 2224 wrote to memory of 3240	2224	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	93
PID 3240 wrote to memory of 3300	3240	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	94
PID 3240 wrote to memory of 3300	3240	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	94
PID 3240 wrote to memory of 3300	3240	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	94
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 5064	3300	winupd.exe	96
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 3300 wrote to memory of 228	3300	winupd.exe	97
PID 5064 wrote to memory of 720	5064	winupd.exe	98
PID 5064 wrote to memory of 720	5064	winupd.exe	98
PID 5064 wrote to memory of 720	5064	winupd.exe	98
PID 5064 wrote to memory of 720	5064	winupd.exe	98
PID 5064 wrote to memory of 720	5064	winupd.exe	98

C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
"C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
  "C:\Users\Admin\AppData\Local\Temp\4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3240
- - 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:3300
  - - 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:5064
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:720
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 272
        6⤵
        Program crash
        
        PID:456
  - - 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:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 720 -ip 720
1⤵
PID:4796

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
9acf3dfdef20bc456a66b87b6983ad11

SHA1
fc78c26aeb1c6f4d0d6521133b84f3b1e3d2dce6

SHA256
7b124a5cba21a8262bf2ee5f5f001fb5a408627855238918afa2be54d7d2e936

SHA512
ca83c9eae0576fd6c86d8741c3aec3e5f0aa58c9a6da62bef334f3926b1abeee866d80818453ee75b032ad9eef60f5d8e0db7a28f07e09bf1f52a4d4272691cc

Download Submit
memory/228-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/228-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2224-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2224-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2224-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2224-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3240-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3240-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3240-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3240-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3300-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3300-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3300-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5064-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download