darkcomet | 00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8

Analysis

max time kernel
120s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 12:03

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General

Target

00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
Size

520KB
MD5

dbb090ec4e1cd4892d48a9c268cdf270
SHA1

39560c09165e1ae42ceebba3768409a51c7c2060
SHA256

00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8
SHA512

a6e3ef3ea3418bc253e685dcc81d994e7188a59df43f434d7c5b5d933a36f29e27af8dece18aa7ca88c8bd5194da577c2707662539e752327fd45b4a022f4a9b
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbR:f9fC3hh29Ya77A90aFtDfT5IMbR

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

pid	Process
412	winupd.exe
2664	winupd.exe
3088	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 412 set thread context of 2664	412	winupd.exe	91
PID 412 set thread context of 3088	412	winupd.exe	92

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3088-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3088-51-0x0000000000400000-0x00000000004B7000-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
3236	4224	WerFault.exe	93

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	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.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
4224	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3088	winupd.exe
Token: SeSecurityPrivilege	3088	winupd.exe
Token: SeTakeOwnershipPrivilege	3088	winupd.exe
Token: SeLoadDriverPrivilege	3088	winupd.exe
Token: SeSystemProfilePrivilege	3088	winupd.exe
Token: SeSystemtimePrivilege	3088	winupd.exe
Token: SeProfSingleProcessPrivilege	3088	winupd.exe
Token: SeIncBasePriorityPrivilege	3088	winupd.exe
Token: SeCreatePagefilePrivilege	3088	winupd.exe
Token: SeBackupPrivilege	3088	winupd.exe
Token: SeRestorePrivilege	3088	winupd.exe
Token: SeShutdownPrivilege	3088	winupd.exe
Token: SeDebugPrivilege	3088	winupd.exe
Token: SeSystemEnvironmentPrivilege	3088	winupd.exe
Token: SeChangeNotifyPrivilege	3088	winupd.exe
Token: SeRemoteShutdownPrivilege	3088	winupd.exe
Token: SeUndockPrivilege	3088	winupd.exe
Token: SeManageVolumePrivilege	3088	winupd.exe
Token: SeImpersonatePrivilege	3088	winupd.exe
Token: SeCreateGlobalPrivilege	3088	winupd.exe
Token: 33	3088	winupd.exe
Token: 34	3088	winupd.exe
Token: 35	3088	winupd.exe
Token: 36	3088	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
228	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
412	winupd.exe
2664	winupd.exe
3088	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 4976 wrote to memory of 228	4976	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	86
PID 228 wrote to memory of 412	228	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	87
PID 228 wrote to memory of 412	228	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	87
PID 228 wrote to memory of 412	228	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	87
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 2664	412	winupd.exe	91
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 412 wrote to memory of 3088	412	winupd.exe	92
PID 2664 wrote to memory of 4224	2664	winupd.exe	93
PID 2664 wrote to memory of 4224	2664	winupd.exe	93
PID 2664 wrote to memory of 4224	2664	winupd.exe	93
PID 2664 wrote to memory of 4224	2664	winupd.exe	93
PID 2664 wrote to memory of 4224	2664	winupd.exe	93

C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
"C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
  "C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:228
- - 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:412
  - - 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:2664
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4224
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 272
        6⤵
        Program crash
        
        PID:3236
  - - 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:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4224 -ip 4224
1⤵
PID:4920

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
f479782df27bb17dbcb666feea0ac50d

SHA1
64ab5516b141d76ab011a67185a2e3bc2756e4d8

SHA256
09c5efad197d53208e7be53220580bf76772cc8664c29bdb4ca8a0b5cf3952e7

SHA512
903ac03dc9de121e3fde9c3078e306b06a58042380d746f49aed22d887960eb9045a3daa930eed98a32c586dec4d3f7ee39b7be7999c50a7e047768614690c30

Download Submit
memory/228-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/228-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/228-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/228-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/412-31-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/412-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/412-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2664-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3088-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3088-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4976-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4976-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4976-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4976-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download