darkcomet | 1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 20:36

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General

Target

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
Size

520KB
MD5

ba49416551a9167e624a8edbfa630140
SHA1

1ba7883e87d8841dfb2fd33dfce3aa08f4ddcef2
SHA256

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630
SHA512

facf64b14db184efb38646d65431c993a0647790187c7fb218b434fee92afd0d3c5bec5e914272fd7920e52d8dea5e67586caae175a196345ceedfa68d905247
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb+:f9fC3hh29Ya77A90aFtDfT5IMb+

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

Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
5064	winupd.exe
2844	winupd.exe
4792	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exe

description	pid	Process	procid_target
PID 2136 set thread context of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 5064 set thread context of 2844	5064	winupd.exe	103
PID 5064 set thread context of 4792	5064	winupd.exe	104

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4792-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4792-56-0x0000000000400000-0x00000000004B7000-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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
840	4008	WerFault.exe	105

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

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exewinupd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.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

Processes:

ipconfig.exe

pid	Process
4008	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4792	winupd.exe
Token: SeSecurityPrivilege	4792	winupd.exe
Token: SeTakeOwnershipPrivilege	4792	winupd.exe
Token: SeLoadDriverPrivilege	4792	winupd.exe
Token: SeSystemProfilePrivilege	4792	winupd.exe
Token: SeSystemtimePrivilege	4792	winupd.exe
Token: SeProfSingleProcessPrivilege	4792	winupd.exe
Token: SeIncBasePriorityPrivilege	4792	winupd.exe
Token: SeCreatePagefilePrivilege	4792	winupd.exe
Token: SeBackupPrivilege	4792	winupd.exe
Token: SeRestorePrivilege	4792	winupd.exe
Token: SeShutdownPrivilege	4792	winupd.exe
Token: SeDebugPrivilege	4792	winupd.exe
Token: SeSystemEnvironmentPrivilege	4792	winupd.exe
Token: SeChangeNotifyPrivilege	4792	winupd.exe
Token: SeRemoteShutdownPrivilege	4792	winupd.exe
Token: SeUndockPrivilege	4792	winupd.exe
Token: SeManageVolumePrivilege	4792	winupd.exe
Token: SeImpersonatePrivilege	4792	winupd.exe
Token: SeCreateGlobalPrivilege	4792	winupd.exe
Token: 33	4792	winupd.exe
Token: 34	4792	winupd.exe
Token: 35	4792	winupd.exe
Token: 36	4792	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exewinupd.exe

pid	Process
2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
3884	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
5064	winupd.exe
2844	winupd.exe
4792	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 2136 wrote to memory of 3884	2136	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	98
PID 3884 wrote to memory of 5064	3884	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	99
PID 3884 wrote to memory of 5064	3884	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	99
PID 3884 wrote to memory of 5064	3884	1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe	99
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 2844	5064	winupd.exe	103
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 5064 wrote to memory of 4792	5064	winupd.exe	104
PID 2844 wrote to memory of 4008	2844	winupd.exe	105
PID 2844 wrote to memory of 4008	2844	winupd.exe	105
PID 2844 wrote to memory of 4008	2844	winupd.exe	105
PID 2844 wrote to memory of 4008	2844	winupd.exe	105
PID 2844 wrote to memory of 4008	2844	winupd.exe	105

C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
"C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe
  "C:\Users\Admin\AppData\Local\Temp\1109beeb061d774b0a516ea4385f029390c24de0ccc2afd56ecd9c5cb3093630N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3884
- - 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:5064
  - - 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:2844
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4008
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 272
        6⤵
        Program crash
        
        PID:840
  - - 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:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4008 -ip 4008
1⤵
PID:2832

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

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Downloads

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

Filesize
520KB

MD5
0dbd0fd05a8c613c992e8f436551abd6

SHA1
6b495fcea7db61605add1c310f20d627881f3311

SHA256
4eaca5f5af69a80f83fe4ad80eb522bd93f1328da5a230d1e09292dec7ea8049

SHA512
29df294f38c116ebbbeb5cab7a9206fe1d6f0c89926bcf4fab3d1781f50cda82ec157521af0710a5f0928b24ea37f73d89e6611f1b76b43fbcff0029821607fa

Download Submit
memory/2136-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2136-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2136-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2136-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2136-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2844-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3884-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3884-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3884-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3884-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4792-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4792-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5064-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5064-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5064-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download