Analysis
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max time kernel
125s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
22-05-2022 05:51
Static task
static1
Behavioral task
behavioral1
Sample
VLTKBacdau.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
VLTKBacdau.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
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Target
VLTKBacdau.exe
-
Size
1.4MB
-
MD5
772379abf7c754602d5f93a644aed0c8
-
SHA1
312585e17ba461be0fbb5a98a1552be9017ffe8e
-
SHA256
2f39e7665ba9980af2ca8e51497744b10a6adeb19d41eaa5e27ec301e19ca6af
-
SHA512
d0bdf39ace3b2f6911773ae579dc366dc7a89ef6a2a17be2e4805f85ec775697bae007f6bb3066af5a6aa40c06da1c0eac2d0a8c911b71c4b33a719a62426bab
Score
10/10
Malware Config
Extracted
Credentials
Protocol: ftp- Host:
112.213.89.26 - Port:
21 - Username:
kimmaosuvuong@kimyen.club - Password:
https://www.youtube.com/watch?v=Z_udu2fuWKU&t=199s
Signatures
-
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
VLTKBacdau.exedescription ioc process File opened for modification \??\PhysicalDrive0 VLTKBacdau.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
VLTKBacdau.exedescription pid process Token: SeDebugPrivilege 4916 VLTKBacdau.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4916-130-0x0000000000940000-0x0000000000AAE000-memory.dmpFilesize
1.4MB
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memory/4916-131-0x000000000AF50000-0x000000000B4F4000-memory.dmpFilesize
5.6MB
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memory/4916-132-0x000000000ABD0000-0x000000000AC62000-memory.dmpFilesize
584KB
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memory/4916-133-0x000000000AD60000-0x000000000AD6A000-memory.dmpFilesize
40KB