Analysis
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max time kernel
164s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:36
General
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Target
PO_EAS20.scr
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Size
811KB
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MD5
76fc894d97a27187c25f2044a41f7320
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SHA1
d0a55d34a29b4af20f73655f8742a150c65fea48
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SHA256
dc0ee2896b9e30407a4edba7bdb3d7660079e343bb9652793a2e97c52f25a660
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SHA512
32bdb9096bf4e2511d83819c0578bf4c57e46a4336c1ec86b107d6716d0b04acda81d3632a9424efa35e89d99eb90e475c6b6dcdb4e54ae5f9993ad6430d0bfb
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_EAS20.scr"C:\Users\Admin\AppData\Local\Temp\PO_EAS20.scr" /S1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RtiPqzJkPnwlYo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9CB.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpD9CB.tmpFilesize
1KB
MD59a89c4bac7e0dfb6eca74f7ee07a2bcb
SHA14898aeb72899ea66739193655e6f6f7612a06c5e
SHA2567cda2edf3bc842b6bb28363fd75352dcd0168d284221cb6f00a5f24b43cb81c5
SHA512a8f4ac6a11990ff90ea7bc13fd48bac2faf41b849a9d387efeb973a40f4cc610b055398dd5a1ded645876a9d27577d30326a397728a5ceb4fa6988cf6ecd6da6
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memory/4124-130-0x0000000000900000-0x00000000009D0000-memory.dmpFilesize
832KB
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memory/4124-131-0x0000000005A40000-0x0000000005FE4000-memory.dmpFilesize
5.6MB
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memory/4124-132-0x0000000005390000-0x0000000005422000-memory.dmpFilesize
584KB
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memory/4124-133-0x0000000002E10000-0x0000000002E1A000-memory.dmpFilesize
40KB
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memory/4124-134-0x0000000008DF0000-0x0000000008E8C000-memory.dmpFilesize
624KB
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memory/4124-137-0x0000000007640000-0x00000000076A6000-memory.dmpFilesize
408KB
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memory/4356-135-0x0000000000000000-mapping.dmp