Analysis
- max time kernel
142s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/03/2023, 14:21
General
- Target IMP014 New Order PO-4147074.exe
- Size 267KB
- Sample230321-rnzkrsch8x
- SHA256 2ad2d62aa262b5f0f721d8084b6e7b4bab6edbeaa12e40102ec1e87cd6c6493c
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\IMP014 New Order PO-4147074.exe"C:\Users\Admin\AppData\Local\Temp\IMP014 New Order PO-4147074.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rlfmiyr.exe"C:\Users\Admin\AppData\Local\Temp\rlfmiyr.exe" C:\Users\Admin\AppData\Local\Temp\dlaxks.k2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rlfmiyr.exe"C:\Users\Admin\AppData\Local\Temp\rlfmiyr.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
dlaxks.k
ihqbyamte.rfv
rlfmiyr.exe
rlfmiyr.exe
rlfmiyr.exe
memory/2676-140-0x0000000000570000-0x0000000000572000-memory.dmp
memory/4000-151-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-153-0x0000000004A30000-0x0000000004A96000-memory.dmp
memory/4000-145-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4000-147-0x0000000004B70000-0x0000000005114000-memory.dmp
memory/4000-148-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4000-149-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-142-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4000-150-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-152-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-144-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4000-154-0x0000000005880000-0x0000000005912000-memory.dmp
memory/4000-155-0x00000000059A0000-0x00000000059AA000-memory.dmp
memory/4000-156-0x0000000005B30000-0x0000000005B80000-memory.dmp
memory/4000-157-0x0000000005BA0000-0x0000000005D62000-memory.dmp
memory/4000-159-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-160-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-161-0x0000000004B60000-0x0000000004B70000-memory.dmp
memory/4000-162-0x0000000004B60000-0x0000000004B70000-memory.dmp