Analysis
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max time kernel
124s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-06-2022 10:41
General
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Target
_-Venom.exe
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Size
534KB
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MD5
b0f6e15f83e03ea0ab502951b62c3dbf
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SHA1
feeb74ad283f27e9eb5e96dccc9fa1c44eab00be
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SHA256
6b39407f3c2b6064f483c474c9359f344f2aa8e0afef0941d33deddbc275fdb2
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SHA512
8641c8a0b9b46e62a91d2d47a240a8df030394fbf2460d1327428daa46fc8fbf6950d799f9c17c710473712cf44cdb016ba7d4dffeabd6f0912b65874429da45
Malware Config
Extracted
quasar
2.1.0.0
Office04
littlehf.ddns.net:4566
VNM_MUTEX_au1VZH90ssfu7up6jn
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encryption_key
XZHIHOgylm3qxGXtmm9j
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
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subdirectory
SubDir
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar Payload 1 IoCs
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Quasar RAT
Quasar is an open source Remote Access Tool.
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VenomRAT
VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.
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suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Common RAT Connectivity Check Observed
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\_-Venom.exe"C:\Users\Admin\AppData\Local\Temp\_-Venom.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
560KB
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Filesize
8KB