vobfus | e2697b0aeba44f359a87d5f3f79e9b08b10ef4ab20a1d08d46d134b7e226de7e

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 22:39

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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-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.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"	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.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"	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	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1276	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1276	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1276	JaffaCakes118_3bbc16eb6bb326cac8e67a557a337ca1.exe
1276	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:1276

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
59d0e0d04ed9f925c44f7d1cddee4222

SHA1
17ddcac14315b55edfcae89668f04e8a49e91fd9

SHA256
97d239cc8e640d0f0d226abbbfd1742d0ab66583789017d03858e37ffb363562

SHA512
064234210b9521fe2774b89e88a2500ba9a15d55bb573b52df46313d65404fc80b9bf2f904b1a17f6e94e4fccea8f1ecffcff8bfedadc3384ec74c74731eb668

Download Submit
memory/1276-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1276-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1276-81-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1276-216-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1276-288-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads