vobfus | 9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e

General

Target

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Size

1.9MB
MD5

b7819fb9a6c98041975d40cde4b08457
SHA1

1fda2db54ca517da9208b23c7bf9ee8e75ba9be3
SHA256

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e
SHA512

cb86d2062c03d3bd72a26d3c0d92804bb604dc841d19fb1de8c726a0cd085c217f80d10b77b76e7b0fe819596589e4801d6c31b9df5746030470f2306d043b99

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:

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.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"	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.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"	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

pid process

3224 9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

pid process

3224 9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

pid	process
3224	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
3224	9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe

C:\Users\Admin\AppData\Local\Temp\9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.exe
"C:\Users\Admin\AppData\Local\Temp\9dc94c22a6702fd3f7502997b4c08c8fa260fbcc69cecfe3fe32f854e7741a7e.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:3224

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/3224-114-0x0000000000400000-0x0000000000434000-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