Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 19:20
Behavioral task
behavioral1
Sample
VastGen.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
VastGen.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
crack.dll
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
crack.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
data/usernames.vbs
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
data/usernames.vbs
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
loader.exe
Resource
win7-20240419-en
General
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Target
VastGen.exe
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Size
39.3MB
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MD5
9c5ff43c0f29ccd9e0a5682565e6e45d
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SHA1
800574f0a4dfadcba94340c3d64a3e00fdd3ddce
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SHA256
edb0f506950965f4af08ce445f137360129f061624a96424ecc19e70c20c3fb8
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SHA512
f05a09e26dbe21a16cd33fde937b24dfccc820273886bfee5dcdec033588d6d576fa1eedceb673aa2aad0177281bff737a90ede22d814cd8132835b964ba3b55
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SSDEEP
786432:DQtsgYVHiRyc0KaU2j6+s7LWB75zuk2F5F0nC9/JqrYEap9WMNmBHqeU:DQtCVHLc0KaU2qHWB75ikKzZ9p3p9WMV
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2248 VastGen.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2932 wrote to memory of 2248 2932 VastGen.exe 29 PID 2932 wrote to memory of 2248 2932 VastGen.exe 29 PID 2932 wrote to memory of 2248 2932 VastGen.exe 29
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
5.5MB
MD558e01abc9c9b5c885635180ed104fe95
SHA11c2f7216b125539d63bd111a7aba615c69deb8ba
SHA256de1b95d2e951fc048c84684bc7df4346138910544ee335b61fc8e65f360c3837
SHA512cd32c77191309d99aeed47699501b357b35669123f0dd70ed97c3791a009d1855ab27162db24a4bd9e719b68ee3b0539ee6db88e71abb9a2d4d629f87bc2c081