vobfus | 08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 13:05

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General

Target

08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Size

204KB
MD5

b6a6ca3669d475051bd9da474f94984d
SHA1

032b5aba877fd88bc197d68c410f9afbb276b120
SHA256

08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800
SHA512

26641fdec674f3ac07fa29fdacb3894fcd37905103d83a2723611b28228729ae62e81a31a6a7b0e8113c5b6102bfc16cf8f20108a09eab6beac12949b8e73b24
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1s:Xo/BHng5HaVG4G/1z+QVMbg1s

Score

10^/10

vobfus discovery persistence worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus
Vobfus family
vobfus

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
632	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
632	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
632	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
632	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

C:\Users\Admin\AppData\Local\Temp\08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
"C:\Users\Admin\AppData\Local\Temp\08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:632

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\AG58FPQON.exe

Filesize
204KB

MD5
64917b17d99e537a9bf7f125eed900e6

SHA1
01342a9b388f1dd6a4cee8ea9d46ae4674a04760

SHA256
327dc88deb03b22822e05c738f1668415645d76d11b898eb8278480ef37f046a

SHA512
434ab3008b2d7a6cacb2a45920f6bf670ab69188cd62a1915247ee74ab5cd1d4ba789005ecdd8e0a5deb7cf6780be8c39b6e26aa779e57103c30ba572a0c6ff4

Download Submit
memory/632-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/632-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/632-81-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/632-288-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads