Analysis
- max time kernel
146s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
06/10/2023, 02:26
General
- Target e5e92ec5d1d5be22b05694956de0321475105789279acbc9e83d7796026ec385.exe
- Size 6.7MB
- Sample231006-cwy7msgf8v
- SHA256 e5e92ec5d1d5be22b05694956de0321475105789279acbc9e83d7796026ec385
Malware Config
Signatures
- Phemedrone
An information and wallet stealer written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e5e92ec5d1d5be22b05694956de0321475105789279acbc9e83d7796026ec385.exe"C:\Users\Admin\AppData\Local\Temp\e5e92ec5d1d5be22b05694956de0321475105789279acbc9e83d7796026ec385.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\DKFD1EHT.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\DKFD1EHT.exe"2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 24563⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\Adobe\T9WVUKDH.exe"C:\Users\Admin\AppData\Roaming\Adobe\T9WVUKDH.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3764 -ip 37641⤵
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DKFD1EHT.exe
DKFD1EHT.exe
DKFD1EHT.exe
CCDInstaller.js
index.html
T9WVUKDH.exe
T9WVUKDH.exe
T9WVUKDH.exe
memory/2208-1-0x00007FF8A1000000-0x00007FF8A1AC1000-memory.dmp
memory/2208-0-0x0000000000290000-0x0000000000944000-memory.dmp
memory/2208-38-0x00007FF8A1000000-0x00007FF8A1AC1000-memory.dmp
memory/3468-24-0x0000000000F90000-0x0000000000FAC000-memory.dmp
memory/3468-26-0x000000001BEE0000-0x000000001BEF0000-memory.dmp
memory/3468-25-0x00007FF8A1000000-0x00007FF8A1AC1000-memory.dmp
memory/3468-56-0x00007FF8A1000000-0x00007FF8A1AC1000-memory.dmp
memory/3468-58-0x000000001BEE0000-0x000000001BEF0000-memory.dmp
memory/3468-59-0x00007FF8A1000000-0x00007FF8A1AC1000-memory.dmp
memory/3764-15-0x0000000000DB0000-0x000000000153A000-memory.dmp
memory/3764-54-0x0000000000DB0000-0x000000000153A000-memory.dmp