Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
10/01/2023, 16:29
General
- Target RFQ MR 27136_XLSX.exe
- Size 843KB
- Sample230110-ty8brscd81
- SHA256 6532e16d04ebfc98395b0e06fb2c1210d5064dc242c2c374beccb6b561a58f6f
Malware Config
Extracted
-
Protocol
smtp
-
Host
cp5ua.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"C:\Users\Admin\AppData\Local\Temp\RFQ MR 27136_XLSX.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
RFQ MR 27136_XLSX.exe.log
memory/224-153-0x00000000073E0000-0x00000000073EA000-memory.dmp
memory/224-152-0x0000000007370000-0x000000000738A000-memory.dmp
memory/224-159-0x0000000007690000-0x0000000007698000-memory.dmp
memory/224-146-0x0000000005240000-0x00000000052A6000-memory.dmp
memory/224-155-0x00000000075A0000-0x00000000075AE000-memory.dmp
memory/224-154-0x00000000075F0000-0x0000000007686000-memory.dmp
memory/224-145-0x00000000051A0000-0x00000000051C2000-memory.dmp
memory/224-151-0x00000000079B0000-0x000000000802A000-memory.dmp
memory/224-142-0x0000000002740000-0x0000000002776000-memory.dmp
memory/224-150-0x0000000006610000-0x000000000662E000-memory.dmp
memory/224-147-0x0000000006070000-0x000000000608E000-memory.dmp
memory/224-149-0x00000000701A0000-0x00000000701EC000-memory.dmp
memory/224-157-0x00000000076B0000-0x00000000076CA000-memory.dmp
memory/224-144-0x0000000005360000-0x0000000005988000-memory.dmp
memory/224-148-0x0000000006630000-0x0000000006662000-memory.dmp
memory/1424-143-0x00000000050D0000-0x0000000005136000-memory.dmp
memory/1424-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1424-156-0x0000000006600000-0x0000000006650000-memory.dmp
memory/1424-158-0x0000000006920000-0x0000000006AE2000-memory.dmp
memory/4356-134-0x0000000005870000-0x0000000005902000-memory.dmp
memory/4356-133-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/4356-132-0x0000000000D70000-0x0000000000E4A000-memory.dmp
memory/4356-136-0x0000000007F90000-0x000000000802C000-memory.dmp
memory/4356-135-0x00000000057D0000-0x00000000057DA000-memory.dmp