Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
28-10-2021 18:36
Static task
static1
Behavioral task
behavioral1
Sample
0x000500000001abb1-152.dat.exe
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
General
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Target
0x000500000001abb1-152.dat.exe
-
Size
674KB
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MD5
e6904455750065e6351626c373eba2bb
-
SHA1
e2917ff943628d8e9a715c1fadf20688d3e6396e
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SHA256
18d00aa5277e0aa198dcc2a3bc8cee034cb5e9c808b8220fe46fd18acc5f3010
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SHA512
838d884ebabda35d4580d9cee1845115d93e5725a3d159a034364f5576baed4ccbf182a42892b8109779d22e52e11db8b57174c2babf7f3787fdf5933e9d3878
Malware Config
Extracted
Family
vidar
Version
41.6
Botnet
754
C2
https://mas.to/@lilocc
Attributes
-
profile_id
754
Signatures
-
Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/588-56-0x0000000004850000-0x0000000004926000-memory.dmp family_vidar behavioral1/memory/588-57-0x0000000000400000-0x0000000002F6F000-memory.dmp family_vidar -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1052 588 WerFault.exe 0x000500000001abb1-152.dat.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1052 WerFault.exe 1052 WerFault.exe 1052 WerFault.exe 1052 WerFault.exe 1052 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1052 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1052 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
0x000500000001abb1-152.dat.exedescription pid process target process PID 588 wrote to memory of 1052 588 0x000500000001abb1-152.dat.exe WerFault.exe PID 588 wrote to memory of 1052 588 0x000500000001abb1-152.dat.exe WerFault.exe PID 588 wrote to memory of 1052 588 0x000500000001abb1-152.dat.exe WerFault.exe PID 588 wrote to memory of 1052 588 0x000500000001abb1-152.dat.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0x000500000001abb1-152.dat.exe"C:\Users\Admin\AppData\Local\Temp\0x000500000001abb1-152.dat.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 588 -s 8642⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/588-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmpFilesize
8KB
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memory/588-56-0x0000000004850000-0x0000000004926000-memory.dmpFilesize
856KB
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memory/588-55-0x00000000002F0000-0x000000000036C000-memory.dmpFilesize
496KB
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memory/588-57-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/1052-58-0x0000000000000000-mapping.dmp
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memory/1052-59-0x0000000000410000-0x0000000000411000-memory.dmpFilesize
4KB