Analysis
- max time kernel
223s - max time network
298s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/01/2023, 00:12
General
- Target cba50262e42c695572cd4591b025a3f81d28243faed9db98583af59639914be6.exe
- Size 404.2MB
- Sample230117-ag8resbf4t
- SHA256 cba50262e42c695572cd4591b025a3f81d28243faed9db98583af59639914be6
Malware Config
Extracted
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systembc
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45.147.197.24:4001
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80.89.234.122:4001
Signatures
- Detect rhadamanthys stealer shellcode 3 IoCs
- Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 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.
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 50 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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C:\Windows\SysWOW64\fontview.exe"C:\Windows\SYSWOW64\fontview.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\cba50262e42c695572cd4591b025a3f81d28243faed9db98583af59639914be6.exe"C:\Users\Admin\AppData\Local\Temp\cba50262e42c695572cd4591b025a3f81d28243faed9db98583af59639914be6.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Pedadak moquihi kevevor ceg koxo mevologi\Jamokam quaqui woqueye yexoses mihoko foquaneh dajetifa hawohij darivif.exe"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\Pedadak moquihi kevevor ceg koxo mevologi\Jamokam quaqui woqueye yexoses mihoko foquaneh dajetifa hawohij darivif.exe"C:\Users\Admin\Pedadak moquihi kevevor ceg koxo mevologi\Jamokam quaqui woqueye yexoses mihoko foquaneh dajetifa hawohij darivif.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 5763⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 12763⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\cba50262e42c695572cd4591b025a3f81d28243faed9db98583af59639914be6.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\chcp.comchcp 650013⤵
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3544 -ip 35441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3544 -ip 35441⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
240615062.dll
Jamokam quaqui woqueye yexoses mihoko foquaneh dajetifa hawohij darivif.exe
Jamokam quaqui woqueye yexoses mihoko foquaneh dajetifa hawohij darivif.exe
memory/2340-158-0x0000000000865000-0x0000000000867000-memory.dmp
memory/2340-162-0x0000000000BB0000-0x0000000000BCD000-memory.dmp
memory/2340-152-0x0000000000420000-0x0000000000455000-memory.dmp
memory/2340-161-0x0000000000420000-0x0000000000455000-memory.dmp
memory/2340-160-0x00000000026D0000-0x00000000036D0000-memory.dmp
memory/2340-159-0x0000000000BB0000-0x0000000000BCD000-memory.dmp
memory/2340-154-0x0000000000420000-0x0000000000455000-memory.dmp
memory/2340-157-0x0000000000865000-0x0000000000867000-memory.dmp
memory/3544-142-0x000000000F130000-0x000000000F18E000-memory.dmp
memory/3544-144-0x000000000F130000-0x000000000F18E000-memory.dmp
memory/3544-143-0x00000000033F0000-0x0000000003550000-memory.dmp
memory/3544-156-0x000000000F130000-0x000000000F18E000-memory.dmp
memory/3544-155-0x00000000033F0000-0x0000000003550000-memory.dmp
memory/3544-163-0x00000000033F0000-0x0000000003550000-memory.dmp
memory/3656-146-0x0000000000400000-0x0000000000407000-memory.dmp
memory/3656-150-0x0000000000400000-0x0000000000407000-memory.dmp
memory/3656-148-0x0000000000400000-0x0000000000407000-memory.dmp
memory/4512-132-0x0000000003290000-0x00000000033F0000-memory.dmp
memory/4512-139-0x0000000003290000-0x00000000033F0000-memory.dmp
memory/4512-133-0x0000000003290000-0x00000000033F0000-memory.dmp