vobfus | 08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800

General

Target

08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Size

204KB
MD5

b6a6ca3669d475051bd9da474f94984d
SHA1

032b5aba877fd88bc197d68c410f9afbb276b120
SHA256

08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800
SHA512

26641fdec674f3ac07fa29fdacb3894fcd37905103d83a2723611b28228729ae62e81a31a6a7b0e8113c5b6102bfc16cf8f20108a09eab6beac12949b8e73b24
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1s:Xo/BHng5HaVG4G/1z+QVMbg1s

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	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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"	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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
3040	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3040	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
3040	08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe

C:\Users\Admin\AppData\Local\Temp\08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.exe
"C:\Users\Admin\AppData\Local\Temp\08db328126d9ec41fa54f12dcd8ebf012dbb56c60574b1aa0069d5e116826800.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:3040

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
204KB

MD5
c3863991d82492387319d1d1b6dbe4c1

SHA1
046a222283a82570101e2bba622a7add881a2b51

SHA256
bd54266fadac0b5843fed4f2f00e15b01f15db0e6839e0327e0a5db66bd13c89

SHA512
5b322b240a33d5a4dcddd6efc63e891806c3618903125c2c1c49788195481d1f733f85efe17051724f1c67a6f031c453196b37935e33390933f1529866da5602

Download Submit
memory/3040-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3040-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3040-74-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3040-281-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads