Analysis
- max time kernel
79s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
09/03/2023, 07:06
General
- Target quotation.exe
- Size 291KB
- Sample230309-hw5bjsba72
- SHA256 cd2eec7f78773e86d748f3810fefe1807443a05a4444403aa1f066cee2e55d67
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 4 IoCs
- 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: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\quotation.exe"C:\Users\Admin\AppData\Local\Temp\quotation.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe" C:\Users\Admin\AppData\Local\Temp\uvpazwtkox.cqi2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"C:\Users\Admin\AppData\Local\Temp\hhxdjkz.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gmkzdbrtfi.to
hhxdjkz.exe
hhxdjkz.exe
hhxdjkz.exe
hhxdjkz.exe
hhxdjkz.exe
uvpazwtkox.cqi
memory/1824-152-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-155-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-147-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1824-149-0x0000000005D60000-0x0000000006304000-memory.dmp
memory/1824-150-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1824-144-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1824-151-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-153-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-154-0x0000000005870000-0x00000000058D6000-memory.dmp
memory/1824-146-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1824-156-0x0000000006730000-0x00000000067C2000-memory.dmp
memory/1824-157-0x0000000006830000-0x000000000683A000-memory.dmp
memory/1824-158-0x00000000069B0000-0x0000000006A00000-memory.dmp
memory/1824-159-0x0000000006BD0000-0x0000000006D92000-memory.dmp
memory/1824-160-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-161-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-162-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/1824-163-0x00000000057A0000-0x00000000057B0000-memory.dmp