Analysis
- max time kernel
147s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
05/10/2023, 16:33
General
- Target 255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8cexe_JC.exe
- Size 3.8MB
- Sample231005-t2seqaee86
- SHA256 255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8c
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.
- 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).
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8cexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\255d887e4aee44b4a811fd99c76d7df6ce442316125d236f9b3891bd56b82f8cexe_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Start Menu\QIGTCXT5.exe"C:\ProgramData\Start Menu\QIGTCXT5.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\ProgramData\Templates\2VFHFDRJ.exe"C:\ProgramData\Templates\2VFHFDRJ.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
QIGTCXT5.exe
QIGTCXT5.exe
2VFHFDRJ.exe
2VFHFDRJ.exe
2VFHFDRJ.exe
memory/1992-77-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-51-0x0000025569740000-0x0000025569750000-memory.dmp
memory/1992-103-0x0000025571BC0000-0x0000025571BC1000-memory.dmp
memory/1992-102-0x0000025571AB0000-0x0000025571AB1000-memory.dmp
memory/1992-101-0x0000025571AB0000-0x0000025571AB1000-memory.dmp
memory/1992-99-0x0000025571AA0000-0x0000025571AA1000-memory.dmp
memory/1992-87-0x00000255718A0000-0x00000255718A1000-memory.dmp
memory/1992-84-0x0000025571960000-0x0000025571961000-memory.dmp
memory/1992-81-0x0000025571970000-0x0000025571971000-memory.dmp
memory/1992-79-0x0000025571960000-0x0000025571961000-memory.dmp
memory/1992-35-0x0000025569640000-0x0000025569650000-memory.dmp
memory/1992-78-0x0000025571970000-0x0000025571971000-memory.dmp
memory/1992-67-0x0000025571D20000-0x0000025571D21000-memory.dmp
memory/1992-68-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-69-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-70-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-71-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-72-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-73-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-74-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-75-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/1992-76-0x0000025571D50000-0x0000025571D51000-memory.dmp
memory/2184-0-0x0000000000BE0000-0x0000000000FB6000-memory.dmp
memory/2184-1-0x00007FFFC3030000-0x00007FFFC3AF1000-memory.dmp
memory/2184-29-0x00007FFFC3030000-0x00007FFFC3AF1000-memory.dmp
memory/2852-34-0x00007FFFC3030000-0x00007FFFC3AF1000-memory.dmp
memory/2852-32-0x00000000015F0000-0x0000000001600000-memory.dmp
memory/2852-31-0x00007FFFC3030000-0x00007FFFC3AF1000-memory.dmp
memory/2852-28-0x00000000015F0000-0x0000000001600000-memory.dmp
memory/2852-26-0x00007FFFC3030000-0x00007FFFC3AF1000-memory.dmp
memory/2852-25-0x0000000000DB0000-0x0000000000DCC000-memory.dmp
memory/3536-30-0x000000006DF70000-0x000000006DF80000-memory.dmp