vobfus | dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358

General

Target

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Size

1.9MB
MD5

b64d7ab790de37da9e74cf9b97b3268a
SHA1

cbc7cb85bd4809b51aaab44fa46a210eee088bf4
SHA256

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358
SHA512

14476431b8fb92da7309000fd2fbcb434cb504285424579e51092e2e432a6337804d3a1039a78cde41bc0b1c0ef7d3b84f7adc60f1ac87766351cd81d1008d1a

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:

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

pid process

1676 dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

pid process

1676 dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

pid	process
1676	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
1676	dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe

C:\Users\Admin\AppData\Local\Temp\dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.exe
"C:\Users\Admin\AppData\Local\Temp\dca2d693bb63d56ea1dee1d52bb6136bb44a08a1dbfc52dafe3c87f100c16358.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:1676

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/1676-59-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads