darkcomet | 37ad37d2b58bc6bb5f13cbadb8e97b66b7a04541b8bba4a7e8c07c98dd356c26

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 19:55

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General

Target

4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
Size

520KB
MD5

f27c83ca93b05f487a02bf6729e45c96
SHA1

ed0cad92fff0d485a3e3b2234ea6404350ee4cd1
SHA256

37ad37d2b58bc6bb5f13cbadb8e97b66b7a04541b8bba4a7e8c07c98dd356c26
SHA512

63d5ddcd9d1d0a23e917853cabce96058cd926f06b4d66f4b026b61a577689c687493146321058bdda271e8fd85374586169416d9b5b01b5b53031d8c80570f4
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbL:f9fC3hh29Ya77A90aFtDfT5IMbL

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
4092	winupd.exe
3724	winupd.exe
1084	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 4092 set thread context of 3724	4092	winupd.exe	97
PID 4092 set thread context of 1084	4092	winupd.exe	98

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1084-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1084-46-0x0000000000400000-0x00000000004B7000-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
408	2976	WerFault.exe	99

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	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.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
2976	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1084	winupd.exe
Token: SeSecurityPrivilege	1084	winupd.exe
Token: SeTakeOwnershipPrivilege	1084	winupd.exe
Token: SeLoadDriverPrivilege	1084	winupd.exe
Token: SeSystemProfilePrivilege	1084	winupd.exe
Token: SeSystemtimePrivilege	1084	winupd.exe
Token: SeProfSingleProcessPrivilege	1084	winupd.exe
Token: SeIncBasePriorityPrivilege	1084	winupd.exe
Token: SeCreatePagefilePrivilege	1084	winupd.exe
Token: SeBackupPrivilege	1084	winupd.exe
Token: SeRestorePrivilege	1084	winupd.exe
Token: SeShutdownPrivilege	1084	winupd.exe
Token: SeDebugPrivilege	1084	winupd.exe
Token: SeSystemEnvironmentPrivilege	1084	winupd.exe
Token: SeChangeNotifyPrivilege	1084	winupd.exe
Token: SeRemoteShutdownPrivilege	1084	winupd.exe
Token: SeUndockPrivilege	1084	winupd.exe
Token: SeManageVolumePrivilege	1084	winupd.exe
Token: SeImpersonatePrivilege	1084	winupd.exe
Token: SeCreateGlobalPrivilege	1084	winupd.exe
Token: 33	1084	winupd.exe
Token: 34	1084	winupd.exe
Token: 35	1084	winupd.exe
Token: 36	1084	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
4572	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe
4092	winupd.exe
3724	winupd.exe
1084	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 2344 wrote to memory of 4572	2344	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	95
PID 4572 wrote to memory of 4092	4572	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	96
PID 4572 wrote to memory of 4092	4572	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	96
PID 4572 wrote to memory of 4092	4572	4be3a6686a4ea050f870f1bafb1cb6a63549e525f4215af3ff26a3de545908ffN.exe	96
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 3724	4092	winupd.exe	97
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 4092 wrote to memory of 1084	4092	winupd.exe	98
PID 3724 wrote to memory of 2976	3724	winupd.exe	99
PID 3724 wrote to memory of 2976	3724	winupd.exe	99
PID 3724 wrote to memory of 2976	3724	winupd.exe	99
PID 3724 wrote to memory of 2976	3724	winupd.exe	99
PID 3724 wrote to memory of 2976	3724	winupd.exe	99

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:2344
- 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:4572
- - 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:4092
  - - 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:3724
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2976
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 272
        6⤵
        Program crash
        
        PID:408
  - - 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:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2976 -ip 2976
1⤵
PID:4444

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
15be7b0e22a3bcd3936acf9e7d8ed02b

SHA1
534146cb32fce82eaafadb1e11473aac0a85aff3

SHA256
b02e84c0cbf46e8f64c6498c0604aa0c2dc000709319d012091842d90a160b71

SHA512
f051c0b6ceab5d580d99443346b0ef7dd5a8d44e336f8d83154e9d16267de4ae877151f83ee2adc904424a91f3c43d1e2d620ebaf4fbe77e476b43ea00ba1785

Download Submit
memory/1084-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1084-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2344-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2344-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2344-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2344-10-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2344-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3724-41-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4092-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4092-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4092-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4572-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4572-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4572-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4572-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download