darkcomet | a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2

Analysis

max time kernel
120s
max time network
121s
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 16:33

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General

Target

a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
Size

520KB
MD5

b10b3441cfac9871aec850af5e1fcc90
SHA1

8c67acd3b64b66eebfe8bb418cd981db728861f6
SHA256

a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2
SHA512

f07dc79ee0dfa50009f18afe2ae462e5023818cd755d0ea34f3267f4975fb09107836b0b40dea0ce727ac64806ac8e44e90856363aaa51651b585c44236bf83d
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbO:f9fC3hh29Ya77A90aFtDfT5IMbO

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
3620	winupd.exe
4444	winupd.exe
3556	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3216 set thread context of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3620 set thread context of 4444	3620	winupd.exe	102
PID 3620 set thread context of 3556	3620	winupd.exe	103

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3556-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3556-52-0x0000000000400000-0x00000000004B7000-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
4400	2132	WerFault.exe	104

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	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.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
2132	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3556	winupd.exe
Token: SeSecurityPrivilege	3556	winupd.exe
Token: SeTakeOwnershipPrivilege	3556	winupd.exe
Token: SeLoadDriverPrivilege	3556	winupd.exe
Token: SeSystemProfilePrivilege	3556	winupd.exe
Token: SeSystemtimePrivilege	3556	winupd.exe
Token: SeProfSingleProcessPrivilege	3556	winupd.exe
Token: SeIncBasePriorityPrivilege	3556	winupd.exe
Token: SeCreatePagefilePrivilege	3556	winupd.exe
Token: SeBackupPrivilege	3556	winupd.exe
Token: SeRestorePrivilege	3556	winupd.exe
Token: SeShutdownPrivilege	3556	winupd.exe
Token: SeDebugPrivilege	3556	winupd.exe
Token: SeSystemEnvironmentPrivilege	3556	winupd.exe
Token: SeChangeNotifyPrivilege	3556	winupd.exe
Token: SeRemoteShutdownPrivilege	3556	winupd.exe
Token: SeUndockPrivilege	3556	winupd.exe
Token: SeManageVolumePrivilege	3556	winupd.exe
Token: SeImpersonatePrivilege	3556	winupd.exe
Token: SeCreateGlobalPrivilege	3556	winupd.exe
Token: 33	3556	winupd.exe
Token: 34	3556	winupd.exe
Token: 35	3556	winupd.exe
Token: 36	3556	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
1660	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
3620	winupd.exe
4444	winupd.exe
3556	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 3216 wrote to memory of 1660	3216	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	97
PID 1660 wrote to memory of 3620	1660	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	98
PID 1660 wrote to memory of 3620	1660	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	98
PID 1660 wrote to memory of 3620	1660	a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe	98
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 4444	3620	winupd.exe	102
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 3620 wrote to memory of 3556	3620	winupd.exe	103
PID 4444 wrote to memory of 2132	4444	winupd.exe	104
PID 4444 wrote to memory of 2132	4444	winupd.exe	104
PID 4444 wrote to memory of 2132	4444	winupd.exe	104
PID 4444 wrote to memory of 2132	4444	winupd.exe	104
PID 4444 wrote to memory of 2132	4444	winupd.exe	104

C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
"C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe
  "C:\Users\Admin\AppData\Local\Temp\a1a5b5e24c9565fe290da7d5f4082b156e7ad9793d56b69d3da08596c9119cf2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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:3620
  - - 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:4444
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2132
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 272
        6⤵
        Program crash
        
        PID:4400
  - - 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:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2132 -ip 2132
1⤵
PID:3764

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
df12a0fab3c49ce4d1c8835d6913b06d

SHA1
4551cc5f4cbeef47248257854060e2c89d8e30bb

SHA256
0553ae5bac1e1f528c77d8d7376165a60a95d5b88a45f2ee5c513bdadd13dd5f

SHA512
0da85ebdc6039f3d0099963849573b6d48c3703cb138714c27e51bea94bdde65814885291a3f7be2866f832d016bfd839bca4fe9367889f07df5cac3e4df3353

Download Submit
memory/1660-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1660-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1660-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1660-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3216-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3216-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3216-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3216-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3216-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3556-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3556-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3620-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3620-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3620-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4444-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download