vobfus | 2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec

General

Target

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Size

202KB
MD5

c5f40ec22b5420e2537392cc36d51c74
SHA1

5a4c4e45e734899011b3d15a39ae46c4eeb36ebc
SHA256

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec
SHA512

3066023ddaef7de83ee721a04fc8267f2d6943638be5b39056757b4417b1b1333439871a4fa82002e3a89bb81ebcc7d61e4b8b10b04929592c791ed9e344d736

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:

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
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"	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

description	ioc	process
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"	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

pid process

2116 2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

pid process

2116 2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

pid	process
2116	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
2116	2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe

C:\Users\Admin\AppData\Local\Temp\2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.exe
"C:\Users\Admin\AppData\Local\Temp\2c1d7de402cf649b95a2ab4d3e45e261bd911e5c69813f20c203573145c8e3ec.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:2116

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/2116-114-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads