vobfus | 1a72fcf0697f519234b1d5c95d35cb5b9fe39cc4e526dd315facf70209182c09

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/01/2025, 22:47

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General

Target

JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
Size

204KB
MD5

d4477410dde155a3ca27e7ed34b5122b
SHA1

8e12b40690799406305a3bdcdacda7fe989b3e2b
SHA256

1a72fcf0697f519234b1d5c95d35cb5b9fe39cc4e526dd315facf70209182c09
SHA512

11acbef9111e22cee1928979d23bee727f3ceda7faa09f58a4f0bd846a42be6ebb5af64ad5bb041c6063ca1f4e6d78d3802aeae507ea9597cc1a57f8166fa8ae
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1:Xo/BHng5HaVG4G/1z+QVMbg1

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.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"	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.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	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe

Script User-Agent 2 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)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2280	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2280	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2280	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
2280	JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d4477410dde155a3ca27e7ed34b5122b.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:2280

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
9ccd47daecd79777e3dd1af566c5bd35

SHA1
9a871afc292c0bae1056de4f88e2f120b9d194ac

SHA256
4c982723be76a9dcc4e616502e83e4210dc169f4dc0014d4325f742a252bfb04

SHA512
146623c3f45c3f947253730a20cd91db3abdc96b260b5ab81e2b184f9a95d5058f19772540be774ec0bbc2c3a87df15e2ac76e880538fea830ec8f45030a0c51

Download Submit
memory/2280-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2280-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2280-231-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads