vobfus | c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae

General

Target

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Size

1.9MB
MD5

bf6dfceecb611137fe82d2cfa4877dfc
SHA1

b7fb2b814934d8223cf63f1bba55c72116385083
SHA256

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae
SHA512

f3f05cee797ee93c2b2db4d7361bfad767b619c1ebdf6f6487956c06c39adfc2f78f8d7e20e7d8a31164be407fd8bd39b5a7b1e2039de46dcbd6f4945fbb3a14

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:

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.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"	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.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"	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.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:

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

pid process

1092 c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

pid process

1092 c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

pid	process
1092	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
1092	c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe

C:\Users\Admin\AppData\Local\Temp\c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.exe
"C:\Users\Admin\AppData\Local\Temp\c6de137c32470b56127be451c29372a20de634c5530490a551a6709dfda82bae.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:1092

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/1092-59-0x0000000000400000-0x0000000000434000-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