vobfus | 7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524

General

Target

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Size

317KB
MD5

cf61ec3b03e9fd0459aa9da283ead71d
SHA1

37902c61ee84cb99a4d1eb46f5dee0fc405c7aba
SHA256

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524
SHA512

2cf4d0bcc718386a4f62e8804376806fbcf1bbdfe2efe5b04c15d80dd744527a1ec5e96af59056c1c4e0c1170eed237fb137ff800fa3f0b7ab035bc458c7cd69

Score

10^/10

vobfus persistence worm

Malware Config

Signatures

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

pid process

1736 7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

pid process

1736 7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

pid	process
1736	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
1736	7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe

C:\Users\Admin\AppData\Local\Temp\7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe
"C:\Users\Admin\AppData\Local\Temp\7f866698786a0a870c35b843240d8665600e958a52c496ca89dbe40037302524.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1736-114-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads