Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 19:43
Behavioral task
behavioral1
Sample
258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe
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Size
102KB
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MD5
9488131c2d72b098d0ea3f8db43b9234
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SHA1
c4f669020c58f695159ef63b3747cce33c439486
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SHA256
258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7
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SHA512
5d5c6c081e551f8d0c9a758ac0d13942fe054858bdc720f87a54caf1a0d11b1456d68181a1dadf9892e0258f9074d9f64f1e76cc3eda8f0d57471e2d0306c34a
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SSDEEP
3072:xFphTfm1UC7AdYzrV+Dljy/32ubwZZqJ:FhTfmuCkdYzrVolu/J0ZZ
Score
9/10
Malware Config
Signatures
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UPX dump on OEP (original entry point) 11 IoCs
resource yara_rule behavioral2/memory/4156-0-0x0000000000400000-0x000000000043B000-memory.dmp UPX behavioral2/memory/2792-5-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/2792-7-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/2792-9-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/4156-8-0x0000000000400000-0x000000000043B000-memory.dmp UPX behavioral2/files/0x000700000002340b-25.dat UPX behavioral2/memory/2032-33-0x0000000000400000-0x000000000043B000-memory.dmp UPX behavioral2/memory/2792-36-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/2032-47-0x0000000000400000-0x000000000043B000-memory.dmp UPX behavioral2/memory/2792-53-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3928-54-0x0000000000400000-0x000000000040B000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe -
Executes dropped EXE 3 IoCs
pid Process 2032 WindowsService.exe 3928 WindowsService.exe 2956 WindowsService.exe -
resource yara_rule behavioral2/memory/4156-0-0x0000000000400000-0x000000000043B000-memory.dmp upx behavioral2/memory/2792-5-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2792-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2792-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4156-8-0x0000000000400000-0x000000000043B000-memory.dmp upx behavioral2/files/0x000700000002340b-25.dat upx behavioral2/memory/2032-33-0x0000000000400000-0x000000000043B000-memory.dmp upx behavioral2/memory/2792-36-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2032-47-0x0000000000400000-0x000000000043B000-memory.dmp upx behavioral2/memory/2792-53-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3928-54-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\SystemWindows\\WindowsService.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4156 set thread context of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 2032 set thread context of 3928 2032 WindowsService.exe 101 PID 2032 set thread context of 2956 2032 WindowsService.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe Token: SeDebugPrivilege 3928 WindowsService.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 2032 WindowsService.exe 3928 WindowsService.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 4156 wrote to memory of 2792 4156 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 92 PID 2792 wrote to memory of 1600 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 93 PID 2792 wrote to memory of 1600 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 93 PID 2792 wrote to memory of 1600 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 93 PID 1600 wrote to memory of 2008 1600 cmd.exe 96 PID 1600 wrote to memory of 2008 1600 cmd.exe 96 PID 1600 wrote to memory of 2008 1600 cmd.exe 96 PID 2792 wrote to memory of 2032 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 97 PID 2792 wrote to memory of 2032 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 97 PID 2792 wrote to memory of 2032 2792 258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe 97 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 3928 2032 WindowsService.exe 101 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102 PID 2032 wrote to memory of 2956 2032 WindowsService.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe"C:\Users\Admin\AppData\Local\Temp\258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe"C:\Users\Admin\AppData\Local\Temp\258f6e0ab36bbd6918c470789e14ecb6d229e9527da1386c690350c69e3f9da7.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XUTXL.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "sidebar" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe" /f4⤵
- Adds Run key to start application
PID:2008
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C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3928
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C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"C:\Users\Admin\AppData\Roaming\SystemWindows\WindowsService.exe"4⤵
- Executes dropped EXE
PID:2956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
157B
MD5f6a90c20834f271a907a4e2bc28184c2
SHA136c9d1602b74f622346fbb22693597d7889df48d
SHA25673f29cd953eee40cea4de67842556ffd96efe8094a6a9b70f33a35df2582febd
SHA51239cabae19fe1faa37455e4bd242c868be60d6252b07f01224b3f7501c3cf734e503300b840d83381a452707cab6df2f95f920655884be56d4024676b26943804
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Filesize
102KB
MD5064c833b103fddd6281deb578ce581b2
SHA15a192e192331db9390185e23d71d12096f81c723
SHA256da4a9138d01489f94c9383e6e8cafd6dd89d9114e3bf95cb004da3aeefdc8c28
SHA512463053dfa1b7a2a68f8ee983916c2d194f8e1efbeab4c22c070a5198a7000d2926dee8750c77aedac92fe528eb01cd744c7a44e12001471f0254a35c6fb4b941