Analysis
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max time kernel
126s -
max time network
172s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
15-02-2022 11:57
Static task
static1
Behavioral task
behavioral1
Sample
7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe
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Size
718KB
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MD5
b40c5ec4c898518b42a7260e41932f03
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SHA1
a91d15055fd02f373916d30895c878140b03ba4c
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SHA256
7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849
-
SHA512
16dffd3cac18abc5194e3d5b5d43005c64fe157e687a8bcaf9011842b66a8de7f6fffe60fda883d25559ef04c07b51dff5fd9fa2a949526245a870f074638164
Malware Config
Extracted
Family
vidar
Version
48.1
Botnet
937
C2
https://koyu.space/@rspich
Attributes
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profile_id
937
Signatures
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Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1928-57-0x0000000002BB0000-0x0000000002C85000-memory.dmp family_vidar behavioral1/memory/1928-58-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1324 1928 WerFault.exe 7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1324 WerFault.exe 1324 WerFault.exe 1324 WerFault.exe 1324 WerFault.exe 1324 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1324 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1324 WerFault.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exedescription pid process target process PID 1928 wrote to memory of 1324 1928 7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe WerFault.exe PID 1928 wrote to memory of 1324 1928 7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe WerFault.exe PID 1928 wrote to memory of 1324 1928 7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe WerFault.exe PID 1928 wrote to memory of 1324 1928 7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe"C:\Users\Admin\AppData\Local\Temp\7e55bdeff8cc2a3cb72cf193e3dac16cfaef2a3019f43bed1f115472b2b44849.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 13362⤵
- 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/1324-59-0x0000000000350000-0x0000000000351000-memory.dmpFilesize
4KB
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memory/1928-54-0x0000000002CDD000-0x0000000002D59000-memory.dmpFilesize
496KB
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memory/1928-55-0x0000000075341000-0x0000000075343000-memory.dmpFilesize
8KB
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memory/1928-56-0x0000000002CDD000-0x0000000002D59000-memory.dmpFilesize
496KB
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memory/1928-57-0x0000000002BB0000-0x0000000002C85000-memory.dmpFilesize
852KB
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memory/1928-58-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB