vobfus | 1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69

General

Target

1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
Size

204KB
MD5

19cda4872ffa27dffb6249437a6ac768
SHA1

a280cdd2c9b09e62ba71d578ffe89181b91889b4
SHA256

1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69
SHA512

df6556981de966ded57f95df746c21287f01c33c8bc08ab78f484542ced1c4887ac5a964d53ed350ce4a552a769c7d763640d336f6fef0546f99d1e5e08635ab
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1l:Xo/BHng5HaVG4G/1z+QVMbg1l

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	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.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	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.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
2152	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2152	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2152	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
2152	1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe

C:\Users\Admin\AppData\Local\Temp\1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.exe
"C:\Users\Admin\AppData\Local\Temp\1312ad1b2edbf448a1e0b500cf1e30f014f5e4a27ee8a2749f9499f225ba4d69.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:2152

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
c7df209d87948c81edfa542d54f8786b

SHA1
b469d8d9f95d3257da36e3d63db4a06fb9460725

SHA256
e8ef9977df39c868a963931ae8a04c2e1f04383c70df736ae615a477e601e290

SHA512
2df004be35240a73fb612641345d73120bae24403593d7ff997f5b20198fcabe061b33cab63e9f5245bf824680c86844c70227ee048f9763629a4ac3e2a6385a

Download Submit
memory/2152-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2152-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2152-67-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2152-281-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads