vobfus | e2697b0aeba44f359a87d5f3f79e9b08b10ef4ab20a1d08d46d134b7e226de7e

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 22:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
Size

204KB
MD5

3bbc16eb6bb326cac8e67a557a337ca1
SHA1

c59dae89522ddba27f4ef46eadfe0a5ed0de2c89
SHA256

e2697b0aeba44f359a87d5f3f79e9b08b10ef4ab20a1d08d46d134b7e226de7e
SHA512

29582a641924acb49ed0f95e31d9fd055d5f0693a9943e891602b9a9c6639d24f2a07529d0b7a4888e2c5ac283eb23e48880427941f8709db700368306d8402e
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.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\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.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_3bbc16eb6bb326cac8e67a557a337ca1.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4188	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4188	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4188	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
4188	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.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:4188

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
204KB

MD5
89ca7d3a58dd0fdb9860a5af7c66afc0

SHA1
101406763b7abad5c705be7ab2336006407e815e

SHA256
845bbdab88aaa936655ea49e6a78a4ef974dad3793a0c41c3a544475254d8061

SHA512
0ef4dbe36f143ccf8fcf3f20e6fa7c19ea4e1e297adba6dca6c09ea45e38adc12040094d72815b4d672a1b5ef4ffe2e117adbf49ea4cf83b7ab64263373173ff

Download Submit
memory/4188-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4188-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4188-224-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads