vobfus | fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d

General

Target

fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
Size

200KB
MD5

21868efb7ed026fdec8716723d3971da
SHA1

b34458edbe4ff82ab696e56c45692584205e099c
SHA256

fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d
SHA512

e26df18bae93c8912a5f674098b6bd173f96d0c70c5dea19be925b40ea4fd429cd7f4105885c1693e5f9c461b3dc029a8bb37ca805df7b32dfa72447a9b88066
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg10:Xo/BHng5HaVG4G/1z+QVMbg10

Score

10^/10

vobfus discovery persistence worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus
Vobfus family
vobfus

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2220	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2220	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2220	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
2220	fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe

C:\Users\Admin\AppData\Local\Temp\fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe
"C:\Users\Admin\AppData\Local\Temp\fe532654733500f519b12d2c6fadcf608665b2cded7fadff6577fe17c07f615d.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AG58FPQON.exe

Filesize
200KB

MD5
171b51036f7fc26c43df96294aedcea4

SHA1
666a0e108fa87efc94abfedf85c60359fd917bbb

SHA256
859f22e99615e8ee74f193dd578bd070ef8744715368fcca2b9385410bff5cb7

SHA512
71da772e69282c2084fcc8196a02439a70c506d023053cd5f818877954fb9bb952aea3ab5cff206170ab9ccf0345590ce55c4d709eb0e618fa1889b0c1a92cf8

Download Submit
memory/2220-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2220-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2220-74-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2220-281-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads