Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
13/03/2024, 17:16
General
- Target 062a8b424d42192b15752bc4426d637d8a6258d45436ca6eb851c24da24a0c0a.exe
- Size 158KB
- Sample240313-vtm1psaf5v
- SHA256 062a8b424d42192b15752bc4426d637d8a6258d45436ca6eb851c24da24a0c0a
Malware Config
Signatures
- Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
- Detects executables packed with ASPack 31 IoCs
- Sets DLL path for service in the registry 2 TTPs 14 IoCs
- ASPack v2.12-2.42 2 IoCs
Detects executables packed with ASPack v2.12-2.42
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 12 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 14 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 5 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\062a8b424d42192b15752bc4426d637d8a6258d45436ca6eb851c24da24a0c0a.exe"C:\Users\Admin\AppData\Local\Temp\062a8b424d42192b15752bc4426d637d8a6258d45436ca6eb851c24da24a0c0a.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\01296e72.exeC:\01296e72.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s Irmon1⤵
- Loads dropped DLL
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s Nla1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s Ntmssvc1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s NWCWorkstation1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s Nwsapagent1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s SRService1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s WmdmPmSp1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s LogonHours1⤵
- Loads dropped DLL
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s PCAudit1⤵
- Loads dropped DLL
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s helpsvc1⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s uploadmgr1⤵
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
01296e72.exe
fastuserswitchingcompatibility.dll
memory/456-0-0x0000000000840000-0x000000000086C200-memory.dmp
memory/456-36-0x0000000000840000-0x000000000086C200-memory.dmp
memory/832-24-0x0000000075420000-0x000000007543C000-memory.dmp
memory/832-25-0x0000000075420000-0x000000007543C000-memory.dmp
memory/832-23-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1016-31-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1016-30-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1876-56-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1876-18-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1876-17-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1876-55-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1876-19-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1956-26-0x00000000004B0000-0x00000000004CC000-memory.dmp
memory/1956-4-0x00000000004B0000-0x00000000004CC000-memory.dmp
memory/1956-6-0x00000000004B0000-0x00000000004CC000-memory.dmp
memory/1964-49-0x0000000075420000-0x000000007543C000-memory.dmp
memory/1964-50-0x0000000075420000-0x000000007543C000-memory.dmp
memory/3396-65-0x0000000073B20000-0x0000000073B3C000-memory.dmp
memory/3396-64-0x0000000073B20000-0x0000000073B3C000-memory.dmp
memory/3468-45-0x0000000075420000-0x000000007543C000-memory.dmp
memory/3468-42-0x0000000075420000-0x000000007543C000-memory.dmp
memory/3540-82-0x0000000073960000-0x000000007397C000-memory.dmp
memory/3540-83-0x0000000073960000-0x000000007397C000-memory.dmp
memory/3548-37-0x0000000075420000-0x000000007543C000-memory.dmp
memory/3548-35-0x0000000075420000-0x000000007543C000-memory.dmp
memory/4456-75-0x0000000073960000-0x000000007397C000-memory.dmp
memory/4456-77-0x0000000073960000-0x000000007397C000-memory.dmp
memory/4960-70-0x0000000073960000-0x000000007397C000-memory.dmp
memory/4960-71-0x0000000073960000-0x000000007397C000-memory.dmp
memory/5072-12-0x0000000075420000-0x000000007543C000-memory.dmp
memory/5072-11-0x0000000075420000-0x000000007543C000-memory.dmp