vobfus | 12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f

General

Target

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Size

572KB
MD5

c1eb47366e3e6cd59944e718788a9011
SHA1

5fd16305869154c8b37748b15f0bdebb7ccbe7ee
SHA256

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f
SHA512

c9e33cfdc6a037b9ab96cd89dad995f221bbe047b3a61c94fd543d2e57f5cdee892615132bf5141f760d09e16741699556ac45339faf5883172fd1ed2a659e5e

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:

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

description	ioc	process
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"	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
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"	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.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	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

pid process

1096 12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

pid process

1096 12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

pid	process
1096	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
1096	12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe

C:\Users\Admin\AppData\Local\Temp\12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.exe
"C:\Users\Admin\AppData\Local\Temp\12124d611c11e918d49906871433f82389eb9e081fbe5b7b12b0d9cdee43705f.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:1096

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/1096-60-0x0000000000400000-0x0000000000434000-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