Analysis
- max time kernel
295s - max time network
304s - platform
windows10-1703_x64 - resource
win10-20231215-en - resource tags
- submitted
04/02/2024, 03:55
General
- Target becb1919235c944b0a0112f5d1818b843bc7624f5dd37fd9b617cab1787580eb.exe
- Size 6.1MB
- Sample240204-eg5f8abdcn
- SHA256 becb1919235c944b0a0112f5d1818b843bc7624f5dd37fd9b617cab1787580eb
Malware Config
Signatures
- Detects Arechclient2 RAT 1 IoCs
Arechclient2.
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 3 IoCs
- Drops startup file 1 IoCs
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\becb1919235c944b0a0112f5d1818b843bc7624f5dd37fd9b617cab1787580eb.exe"C:\Users\Admin\AppData\Local\Temp\becb1919235c944b0a0112f5d1818b843bc7624f5dd37fd9b617cab1787580eb.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp505F.tmp
Protect544cd51a.dll
memory/956-13-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-21-0x0000000006610000-0x0000000006710000-memory.dmp
memory/956-4-0x0000000005530000-0x00000000055CC000-memory.dmp
memory/956-5-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-6-0x0000000005350000-0x000000000535A000-memory.dmp
memory/956-7-0x0000000005D90000-0x0000000005F22000-memory.dmp
memory/956-2-0x0000000005890000-0x0000000005D8E000-memory.dmp
memory/956-14-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-16-0x0000000006340000-0x0000000006350000-memory.dmp
memory/956-17-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-19-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-20-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-18-0x0000000006610000-0x0000000006710000-memory.dmp
memory/956-15-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-3-0x0000000005390000-0x0000000005422000-memory.dmp
memory/956-0-0x0000000073410000-0x0000000073AFE000-memory.dmp
memory/956-28-0x0000000005650000-0x0000000005660000-memory.dmp
memory/956-22-0x0000000006610000-0x0000000006710000-memory.dmp
memory/956-1-0x0000000000370000-0x0000000000988000-memory.dmp
memory/956-34-0x0000000073410000-0x0000000073AFE000-memory.dmp
memory/956-24-0x0000000073410000-0x0000000073AFE000-memory.dmp
memory/2004-27-0x00000000057C0000-0x0000000005836000-memory.dmp
memory/2004-23-0x0000000000400000-0x00000000004D2000-memory.dmp
memory/2004-26-0x0000000005B00000-0x0000000005CC2000-memory.dmp
memory/2004-35-0x0000000073410000-0x0000000073AFE000-memory.dmp
memory/2004-36-0x0000000007200000-0x000000000772C000-memory.dmp
memory/2004-37-0x0000000006CF0000-0x0000000006D0E000-memory.dmp
memory/2004-38-0x0000000006D80000-0x0000000006DD0000-memory.dmp
memory/2004-39-0x0000000006E80000-0x0000000006EE6000-memory.dmp
memory/2004-25-0x0000000073410000-0x0000000073AFE000-memory.dmp