darkcomet | 00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 persistence 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
2320	winupd.exe
2804	winupd.exe
2940	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
2320	winupd.exe
2320	winupd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 316 set thread context of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 2320 set thread context of 2804	2320	winupd.exe	32
PID 2320 set thread context of 2940	2320	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.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
2624	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1312	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2940	winupd.exe
Token: SeSecurityPrivilege	2940	winupd.exe
Token: SeTakeOwnershipPrivilege	2940	winupd.exe
Token: SeLoadDriverPrivilege	2940	winupd.exe
Token: SeSystemProfilePrivilege	2940	winupd.exe
Token: SeSystemtimePrivilege	2940	winupd.exe
Token: SeProfSingleProcessPrivilege	2940	winupd.exe
Token: SeIncBasePriorityPrivilege	2940	winupd.exe
Token: SeCreatePagefilePrivilege	2940	winupd.exe
Token: SeBackupPrivilege	2940	winupd.exe
Token: SeRestorePrivilege	2940	winupd.exe
Token: SeShutdownPrivilege	2940	winupd.exe
Token: SeDebugPrivilege	2940	winupd.exe
Token: SeSystemEnvironmentPrivilege	2940	winupd.exe
Token: SeChangeNotifyPrivilege	2940	winupd.exe
Token: SeRemoteShutdownPrivilege	2940	winupd.exe
Token: SeUndockPrivilege	2940	winupd.exe
Token: SeManageVolumePrivilege	2940	winupd.exe
Token: SeImpersonatePrivilege	2940	winupd.exe
Token: SeCreateGlobalPrivilege	2940	winupd.exe
Token: 33	2940	winupd.exe
Token: 34	2940	winupd.exe
Token: 35	2940	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
2320	winupd.exe
2804	winupd.exe
2940	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 316 wrote to memory of 2312	316	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	30
PID 2312 wrote to memory of 2320	2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	31
PID 2312 wrote to memory of 2320	2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	31
PID 2312 wrote to memory of 2320	2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	31
PID 2312 wrote to memory of 2320	2312	00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe	31
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2804	2320	winupd.exe	32
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2804 wrote to memory of 2624	2804	winupd.exe	34
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2320 wrote to memory of 2940	2320	winupd.exe	33
PID 2624 wrote to memory of 988	2624	ipconfig.exe	36
PID 2624 wrote to memory of 988	2624	ipconfig.exe	36
PID 2624 wrote to memory of 988	2624	ipconfig.exe	36
PID 2624 wrote to memory of 988	2624	ipconfig.exe	36
PID 988 wrote to memory of 1312	988	cmd.exe	38
PID 988 wrote to memory of 1312	988	cmd.exe	38
PID 988 wrote to memory of 1312	988	cmd.exe	38
PID 988 wrote to memory of 1312	988	cmd.exe	38

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:316
- C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe
  "C:\Users\Admin\AppData\Local\Temp\00a7315ca51b02d71bf5434394f9e31eeb548b91d3ca81237113f5fa31d79af8N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2320
  - - 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:2804
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2624
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DMWEAPTY.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:988
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:1312
  - - 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:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\DMWEAPTY.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
02a10dac371cdf64962279879cfb8283

SHA1
bc2ddc9b7fcb38d25304b256862c0f5baee756b5

SHA256
02c0f774c40963ca21d3c248d62f417a190bcecf233c1f63f9e2e8bf820257e6

SHA512
a5c32d592c120c17df7ccada3d7e2863dfb4c0ef927e9df978a99f71f0dd2b55a9df2acb1fd1cda8f8d076c22973139ba9b324497c953f91b3d9946ebf893041

Download Submit
memory/316-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/316-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/316-20-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/316-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/316-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/316-12-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2312-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2312-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2312-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2312-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2312-78-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2312-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-74-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2320-38-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2320-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2624-63-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2804-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2940-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads