vobfus | 07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 06:07

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General

Target

07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
Size

204KB
MD5

816adf4928a950111fd31261e00abe74
SHA1

030eb75693b929f1aaae16e5e9b1a3f5125ab555
SHA256

07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186
SHA512

d0053282c9328a58280098ef05118b41f4aa9d870b78f0e70328835b1e764ba77b5d913dfb7259230dc1480abaeee1cd2d0707a4dfcf4768d2805fc5e76903ea
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1d:Xo/BHng5HaVG4G/1z+QVMbg1d

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.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"	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.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	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4572	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4572	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4572	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
4572	07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe

C:\Users\Admin\AppData\Local\Temp\07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.exe
"C:\Users\Admin\AppData\Local\Temp\07fd4f3e9264a319623527f01fd7f295fd009b12bdf7f3190cd338bfb8409186.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:4572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
204KB

MD5
cdf10c05e48b5c466f5cd5d3fcad2b8f

SHA1
0bb2f13403966546bec09ce2d7d9b9bacd607f69

SHA256
91a352773a9821d5986766cfd4f4ab261a3663e673b411f3caaabe584677b2c8

SHA512
e955362d3b8a58e83386e2ee0f66b96573ddd956c2b7e390a4512c830186d44640638e8a83e9ed71fd207af9b73dd9d1790b7a21281531e6a8e31f0416c87d7d

Download Submit
memory/4572-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4572-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4572-74-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4572-288-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads