5f6a8f0e85704eb30340a872eec136623e57ab014b4dd165c68dd8cd76143923

Resubmissions

28/06/2024, 02:19

240628-cr3n9swcqg 8

21/06/2024, 17:11

20/06/2024, 14:32

13/06/2024, 21:29

13/06/2024, 21:24

13/06/2024, 21:01

Analysis

max time kernel
30s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 21:29

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General

Target

VineMEMZ-Original.exe
Size

39.6MB
MD5

b949ba30eb82cc79eeb7c2d64f483bcb
SHA1

8361089264726bb6cff752b3c137fde6d01f4d80
SHA256

5f6a8f0e85704eb30340a872eec136623e57ab014b4dd165c68dd8cd76143923
SHA512

e2acd4fe7627e55be3e019540269033f65d4954831a732d7a4bd50607260cd2a238832f604fa344f04be9f70e8757a9f2d797de37b440159a16bf3a6359a759b
SSDEEP

786432:1fhwEXgLYTou24XbHzjkgV5bQAH/AbkP1hn0qPQPrhBPC7wYqljbdPIa:dqgb84DPn5vhbIPdZaWljbdPIa

Score

8^/10

bootkit persistence ransomware

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 14 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "rekt.exe"	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskkill.exe\Debugger = "rekt.exe"	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\logonui.exe	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "rekt.exe"	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskkill.exe	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe\Debugger = "rekt.exe"	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shutdown.exe\Debugger = "rekt.exe"	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "rekt.exe"	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shutdown.exe	MEMZ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe	MEMZ.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\logonui.exe\Debugger = "rekt.exe"	MEMZ.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	MEMZ.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	VineMEMZ-Original.exe

Executes dropped EXE 5 IoCs

pid	Process
1644	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2908	MEMZ.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	MEMZ.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\Data\\Pussy.png"	MEMZ.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2740	MEMZ.exe
3852	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
3628	MEMZ.exe
3628	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe
3852	MEMZ.exe
2740	MEMZ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1584	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1584	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	MEMZ.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2908	MEMZ.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 1644	4028	VineMEMZ-Original.exe	89
PID 4028 wrote to memory of 1644	4028	VineMEMZ-Original.exe	89
PID 4028 wrote to memory of 1644	4028	VineMEMZ-Original.exe	89
PID 1644 wrote to memory of 3628	1644	MEMZ.exe	90
PID 1644 wrote to memory of 3628	1644	MEMZ.exe	90
PID 1644 wrote to memory of 3628	1644	MEMZ.exe	90
PID 1644 wrote to memory of 2740	1644	MEMZ.exe	91
PID 1644 wrote to memory of 2740	1644	MEMZ.exe	91
PID 1644 wrote to memory of 2740	1644	MEMZ.exe	91
PID 1644 wrote to memory of 3852	1644	MEMZ.exe	92
PID 1644 wrote to memory of 3852	1644	MEMZ.exe	92
PID 1644 wrote to memory of 3852	1644	MEMZ.exe	92
PID 1644 wrote to memory of 2908	1644	MEMZ.exe	93
PID 1644 wrote to memory of 2908	1644	MEMZ.exe	93
PID 1644 wrote to memory of 2908	1644	MEMZ.exe	93
PID 2908 wrote to memory of 1576	2908	MEMZ.exe	94
PID 2908 wrote to memory of 1576	2908	MEMZ.exe	94
PID 2908 wrote to memory of 1576	2908	MEMZ.exe	94

C:\Users\Admin\AppData\Local\Temp\VineMEMZ-Original.exe
"C:\Users\Admin\AppData\Local\Temp\VineMEMZ-Original.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Users\Admin\AppData\Roaming\MEMZ.exe
  "C:\Users\Admin\AppData\Roaming\MEMZ.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Users\Admin\AppData\Roaming\MEMZ.exe
    /watchdog
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:3628
- - C:\Users\Admin\AppData\Roaming\MEMZ.exe
    /watchdog
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2740
- - C:\Users\Admin\AppData\Roaming\MEMZ.exe
    /watchdog
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:3852
- - C:\Users\Admin\AppData\Roaming\MEMZ.exe
    /main
    3⤵
    - Sets file execution options in registry
    - Checks computer location settings
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - Sets desktop wallpaper using registry
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\System32\notepad.exe" \note.txt
      4⤵
      PID:1576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3524,i,17949988676391029604,13756926835471203788,262144 --variations-seed-version --mojo-platform-channel-handle=4212 /prefetch:8
1⤵
PID:3660

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x514 0x50c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Data\2.bin

Filesize
353KB

MD5
8766dce04feb646bf62206d64d6eb0ba

SHA1
91c5d588028c6c949e9cbcec950bcfaa35a791e4

SHA256
f87e1ab69bef059744ee9244f37b0f21ef7d7b06fc5245094cfa22637ef6ae9d

SHA512
0bc8fc880bb94ad55a732f2be207d88a6bb0ae8d97f91819e889d04420a71ae5d91af21861bad351c5fd7f4e944c1899b17df326bf19d310cc31a95fd38ee6a3

Download Submit
C:\Users\Admin\AppData\Roaming\Data\8.bin

Filesize
408KB

MD5
5ada580c290b53327fc8db29d5cd66c5

SHA1
a504aff6a9fa93bf4ccb69df17b5238804c659f9

SHA256
5dcf1f4b285a6dd70ec7acd77eeb5752a3d381a8a697eafd394fcde615f3ba63

SHA512
36da1958e7b4fad5367b257d9343c4eab59d50b01c610514d48eae2d0eeabf7efd06dd8fc63551a0a7e11df91aa3ceb063003cdd9c30c6755431ba218524fd49

Download Submit
C:\Users\Admin\AppData\Roaming\MEMZ.exe

Filesize
21KB

MD5
5761ae6b5665092c45fc8e9292627f88

SHA1
a7f18d7cf5438ee7dcb4e644163f495d3fa9c0ef

SHA256
7acabca3631db2a73a5e20abd050097e44390ead1d74717aed936601904b73c2

SHA512
1d743b407663e00a296c2ae45cb5a05a0866657afafbc9e8220e4c1839cbab2c09bf2a3510ec8016f902ccb7254edddf2a3412e7f5a4cafcabbeb5724a67b46e

Download Submit
C:\note.txt

Filesize
133B

MD5
910efec550edf98bf4f4e7ab50ca8f98

SHA1
4571d44dc60e892fb22ccd0bc2c79c3553560742

SHA256
7349f657a8d247fc778b7dd68e88bc8aba73bf2c399dc17deb2c9114c038430b

SHA512
320de5e34c129dd4a742ff352cfe0be2fac5874b593631529e53d5fe513709ac01f5d1d3dfae659f36a2a33aae51534ec838f5d3748cd6d1230a0f3d29341442

Download Submit