Analysis
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max time kernel
153s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
28-11-2022 02:19
General
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Target
ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90.exe
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Size
348KB
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MD5
655198dde4fca3eeb54780d117615f8f
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SHA1
bfa972be17c752b0954a557122fc595fbc59364e
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SHA256
ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90
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SHA512
6ee0ebee31ed8c9bb324d2d29109328578106de194880d32607fe7378a6a5a2032bc9b5b228e89cbbcfc24bdb55e2050248e00d9998a81870b43633e56f48fd3
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SSDEEP
6144:JX3ZVxStIm3Ap/d2ntk16SuDnAeaUhHkl8mRubynhwjo1lFolwMyy:JYa9AW16ljFHCqjW2wMn
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2295526160-1155304984-640977766-1000\how_recover+whv.txt
http://vrd463xcepsd12cd.crsoftware745.com/ABCACC4ECE384311
http://vr6g2curb2kcidou.expay34.com/ABCACC4ECE384311
http://tsbfdsv.extr6mchf.com/ABCACC4ECE384311
https://o7zeip6us33igmgw.onion.to/ABCACC4ECE384311
http://o7zeip6us33igmgw.onion/ABCACC4ECE384311
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 5 IoCs
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Executes dropped EXE 2 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 2 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 2 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 38 IoCs
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System policy modification 1 TTPs 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90.exe"C:\Users\Admin\AppData\Local\Temp\ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90.exe"C:\Users\Admin\AppData\Local\Temp\ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90.exe"2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\jdhpeacroic.exeC:\Users\Admin\AppData\Roaming\jdhpeacroic.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\jdhpeacroic.exeC:\Users\Admin\AppData\Roaming\jdhpeacroic.exe4⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {current} bootems off5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet5⤵
- Interacts with shadow copies
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {current} advancedoptions off5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {current} optionsedit off5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {current} bootstatuspolicy IgnoreAllFailures5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {current} recoveryenabled off5⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\AD71D1~1.EXE3⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\jdhpeacroic.exeFilesize
348KB
MD5655198dde4fca3eeb54780d117615f8f
SHA1bfa972be17c752b0954a557122fc595fbc59364e
SHA256ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90
SHA5126ee0ebee31ed8c9bb324d2d29109328578106de194880d32607fe7378a6a5a2032bc9b5b228e89cbbcfc24bdb55e2050248e00d9998a81870b43633e56f48fd3
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C:\Users\Admin\AppData\Roaming\jdhpeacroic.exeFilesize
348KB
MD5655198dde4fca3eeb54780d117615f8f
SHA1bfa972be17c752b0954a557122fc595fbc59364e
SHA256ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90
SHA5126ee0ebee31ed8c9bb324d2d29109328578106de194880d32607fe7378a6a5a2032bc9b5b228e89cbbcfc24bdb55e2050248e00d9998a81870b43633e56f48fd3
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C:\Users\Admin\AppData\Roaming\jdhpeacroic.exeFilesize
348KB
MD5655198dde4fca3eeb54780d117615f8f
SHA1bfa972be17c752b0954a557122fc595fbc59364e
SHA256ad71d139a14779f1632a83d075ba1e81d83edb27acc4cd0090ac660f525a7f90
SHA5126ee0ebee31ed8c9bb324d2d29109328578106de194880d32607fe7378a6a5a2032bc9b5b228e89cbbcfc24bdb55e2050248e00d9998a81870b43633e56f48fd3
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memory/220-151-0x0000000000000000-mapping.dmp
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memory/828-153-0x0000000000000000-mapping.dmp
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memory/1556-145-0x0000000000000000-mapping.dmp
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memory/1556-157-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/1556-150-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/1556-149-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/1556-148-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/2036-138-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/2036-133-0x0000000000000000-mapping.dmp
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memory/2036-137-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/2036-134-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/2036-136-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/2036-143-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/3464-152-0x0000000000000000-mapping.dmp
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memory/3844-154-0x0000000000000000-mapping.dmp
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memory/4340-155-0x0000000000000000-mapping.dmp
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memory/4672-156-0x0000000000000000-mapping.dmp
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memory/4752-142-0x0000000000000000-mapping.dmp
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memory/4852-135-0x0000000000EF0000-0x0000000000EF3000-memory.dmpFilesize
12KB
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memory/4852-132-0x0000000000EF0000-0x0000000000EF3000-memory.dmpFilesize
12KB
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memory/5080-139-0x0000000000000000-mapping.dmp
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memory/5080-144-0x0000000000910000-0x0000000000913000-memory.dmpFilesize
12KB