vobfus | 41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0

General

Target

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Size

224KB
MD5

af142237283dc80f2956103f5f671b88
SHA1

823228a9978247e803a4b3e0b4a3517b9065b741
SHA256

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0
SHA512

82374490f0e130c2660a788ec58abe682f00123c9b849fefb5cdf8abd78a0ee572cab94a62653780848ca3dbe1584ec0b92cebaa5207fc0e7a6c4154aefb8bd7

Score

10^/10

vobfus persistence suricata worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus
suricata: ET MALWARE BlackshadesRAT Reporting
suricata: ET MALWARE BlackshadesRAT Reporting
suricata

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: RenamesItself 1 IoCs

Processes:

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

pid process

2008 41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

description	flow	ioc
HTTP User-Agent header	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

pid	process
2008	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
2008	41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe

C:\Users\Admin\AppData\Local\Temp\41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe
"C:\Users\Admin\AppData\Local\Temp\41bcc6e4e4ce538872c67fc10c9c5ee895ddc1f19b92d6cb8553c04ff6feb9f0.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2008-54-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads