Analysis
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max time kernel
17s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 19:01
Behavioral task
behavioral1
Sample
c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe
Resource
win10v2004-20220812-en
General
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Target
c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe
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Size
51KB
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MD5
69e6a759b85613600b59029822958c78
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SHA1
7171dc82409ad975e0df9b20b782a07c2afaadda
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SHA256
c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42
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SHA512
42b6b15b94a6819dacaf0cf3266d212193c34b027473cf2768ba5b7e0418e0e5717a960e00afcbba4422edffc09de7f593279cc81ba5ad4529407e38d066b3b0
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SSDEEP
768:2Nof8cRdEbB/PbmHGDz6zb8MILoZTiMYOGh26qICIIO:kZczRsjoZTZE26MO
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3376 aucode.exe -
resource yara_rule behavioral2/memory/4808-132-0x0000000000400000-0x000000000040E000-memory.dmp upx behavioral2/files/0x0009000000022f71-134.dat upx behavioral2/files/0x0009000000022f71-135.dat upx behavioral2/memory/3376-136-0x0000000000400000-0x000000000040E000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\aucode.exe c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe File opened for modification C:\Windows\SysWOW64\aucode.exe c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe File created C:\Windows\SysWOW64\aucode.exe aucode.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe 3376 aucode.exe 3376 aucode.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe Token: SeIncBasePriorityPrivilege 3376 aucode.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4808 wrote to memory of 3376 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe 80 PID 4808 wrote to memory of 3376 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe 80 PID 4808 wrote to memory of 3376 4808 c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe"C:\Users\Admin\AppData\Local\Temp\c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Windows\SysWOW64\aucode.exe"C:\Windows\system32\aucode.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C del C:\Windows\SysWOW64\aucode.exe > nul3⤵PID:3184
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\C7F766~1.EXE > nul2⤵PID:4740
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
51KB
MD569e6a759b85613600b59029822958c78
SHA17171dc82409ad975e0df9b20b782a07c2afaadda
SHA256c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42
SHA51242b6b15b94a6819dacaf0cf3266d212193c34b027473cf2768ba5b7e0418e0e5717a960e00afcbba4422edffc09de7f593279cc81ba5ad4529407e38d066b3b0
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Filesize
51KB
MD569e6a759b85613600b59029822958c78
SHA17171dc82409ad975e0df9b20b782a07c2afaadda
SHA256c7f766fbfb81bce3453a871022e96ee14e66b67d458abcaafb902c1023a5be42
SHA51242b6b15b94a6819dacaf0cf3266d212193c34b027473cf2768ba5b7e0418e0e5717a960e00afcbba4422edffc09de7f593279cc81ba5ad4529407e38d066b3b0