darkcomet | 20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62e

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 07:52

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General

Target

20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
Size

520KB
MD5

70b16458e59c940f6acadbd53c5e0c10
SHA1

826647f23ca8ec802f6687f6d1140322f867610f
SHA256

20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62e
SHA512

8ea731fb6bc21c34dafd739231e88f342bc30beb4e8c62ca6040fcce138b17440d714d4d573a24cf00a4fe153b214394db5d10a6cf628ba0ccba34b3b1b1aeb9
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbx:f9fC3hh29Ya77A90aFtDfT5IMbx

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
3192	winupd.exe
3308	winupd.exe
3732	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3796 set thread context of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3192 set thread context of 3308	3192	winupd.exe	98
PID 3192 set thread context of 3732	3192	winupd.exe	99

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3732-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3732-52-0x0000000000400000-0x00000000004B7000-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
2252	692	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	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.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
692	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3732	winupd.exe
Token: SeSecurityPrivilege	3732	winupd.exe
Token: SeTakeOwnershipPrivilege	3732	winupd.exe
Token: SeLoadDriverPrivilege	3732	winupd.exe
Token: SeSystemProfilePrivilege	3732	winupd.exe
Token: SeSystemtimePrivilege	3732	winupd.exe
Token: SeProfSingleProcessPrivilege	3732	winupd.exe
Token: SeIncBasePriorityPrivilege	3732	winupd.exe
Token: SeCreatePagefilePrivilege	3732	winupd.exe
Token: SeBackupPrivilege	3732	winupd.exe
Token: SeRestorePrivilege	3732	winupd.exe
Token: SeShutdownPrivilege	3732	winupd.exe
Token: SeDebugPrivilege	3732	winupd.exe
Token: SeSystemEnvironmentPrivilege	3732	winupd.exe
Token: SeChangeNotifyPrivilege	3732	winupd.exe
Token: SeRemoteShutdownPrivilege	3732	winupd.exe
Token: SeUndockPrivilege	3732	winupd.exe
Token: SeManageVolumePrivilege	3732	winupd.exe
Token: SeImpersonatePrivilege	3732	winupd.exe
Token: SeCreateGlobalPrivilege	3732	winupd.exe
Token: 33	3732	winupd.exe
Token: 34	3732	winupd.exe
Token: 35	3732	winupd.exe
Token: 36	3732	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
548	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
3192	winupd.exe
3308	winupd.exe
3732	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 3796 wrote to memory of 548	3796	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	93
PID 548 wrote to memory of 3192	548	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	94
PID 548 wrote to memory of 3192	548	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	94
PID 548 wrote to memory of 3192	548	20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe	94
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3308	3192	winupd.exe	98
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3192 wrote to memory of 3732	3192	winupd.exe	99
PID 3308 wrote to memory of 692	3308	winupd.exe	100
PID 3308 wrote to memory of 692	3308	winupd.exe	100
PID 3308 wrote to memory of 692	3308	winupd.exe	100
PID 3308 wrote to memory of 692	3308	winupd.exe	100
PID 3308 wrote to memory of 692	3308	winupd.exe	100

C:\Users\Admin\AppData\Local\Temp\20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
"C:\Users\Admin\AppData\Local\Temp\20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Users\Admin\AppData\Local\Temp\20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe
  "C:\Users\Admin\AppData\Local\Temp\20057c4e74e6e3613608a7734ac561b367de340292a38cb2c363bc7adc96f62eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:548
- - 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:3192
  - - 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:3308
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:692
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 272
        6⤵
        Program crash
        
        PID:2252
  - - 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:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 692 -ip 692
1⤵
PID:2828

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
3cf83ab0878c0daf8ee81d12c2fc74dd

SHA1
e561bab8773a12195929ea768483702e7cdef2aa

SHA256
ba24fbc2988f3263d28b1032e1ea5edc53d21d69c0a9a3f8a1b2981073fc57e3

SHA512
0b7b0b8a9c975638b20f224236ab446a09c92f48aa73f406ea8cef67ba6f351e90e0f3a33ca4afdffe537f2651d1a41f21678a7677bfa00ca3a95923fac485e6

Download Submit
memory/548-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/548-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/548-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/548-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3192-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3192-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3192-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3308-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3732-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3732-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3796-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3796-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3796-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3796-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download