Analysis
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max time kernel
185s -
max time network
166s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/11/2022, 16:09
Static task
static1
Behavioral task
behavioral1
Sample
1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe
Resource
win10v2004-20220812-en
General
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Target
1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe
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Size
160KB
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MD5
0816c0b45add832e917dfe70fbd048af
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SHA1
522d686ebff5e9075cbc4e2c6e39869fbc8a7e50
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SHA256
1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5
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SHA512
db80cecb7e6ac2348aebf33b33883b39b883768872bf7bdcf72736a4ef8b507b392b20356fab0e835bdbb263eb078f269cdee50c12e122fa786f11337cf933d4
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SSDEEP
1536:F+gDbKlmyJKz5jR7766dxocisPfDsCUjhe+SPBp9oEoTTLgY++++1sY+++++ZDdM:FxbkuVbvLn7Uj3
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\21218 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mstoiivra.pif" svchost.exe -
Executes dropped EXE 3 IoCs
pid Process 1280 xplorer.exe 1208 xplorer.exe 1456 xplorer.exe -
resource yara_rule behavioral1/memory/948-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-64-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-65-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-68-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/948-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1208-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1208-110-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Loads dropped DLL 4 IoCs
pid Process 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\xplorer = "C:\\Windows\\xplorer\\xplorer.exe" reg.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA xplorer.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 xplorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum xplorer.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1432 set thread context of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1280 set thread context of 1208 1280 xplorer.exe 33 PID 1280 set thread context of 1456 1280 xplorer.exe 34 -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\mstoiivra.pif svchost.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\xplorer\xplorer.exe 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe File opened for modification C:\Windows\xplorer\xplorer.exe 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe File opened for modification C:\Windows\xplorer\xplorer.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1456 xplorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1456 xplorer.exe 1456 xplorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe Token: SeDebugPrivilege 1208 xplorer.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 1280 xplorer.exe 1208 xplorer.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 1432 wrote to memory of 948 1432 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 28 PID 948 wrote to memory of 1992 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 29 PID 948 wrote to memory of 1992 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 29 PID 948 wrote to memory of 1992 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 29 PID 948 wrote to memory of 1992 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 29 PID 1992 wrote to memory of 1448 1992 cmd.exe 31 PID 1992 wrote to memory of 1448 1992 cmd.exe 31 PID 1992 wrote to memory of 1448 1992 cmd.exe 31 PID 1992 wrote to memory of 1448 1992 cmd.exe 31 PID 948 wrote to memory of 1280 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 32 PID 948 wrote to memory of 1280 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 32 PID 948 wrote to memory of 1280 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 32 PID 948 wrote to memory of 1280 948 1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe 32 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1208 1280 xplorer.exe 33 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1280 wrote to memory of 1456 1280 xplorer.exe 34 PID 1456 wrote to memory of 564 1456 xplorer.exe 35 PID 1456 wrote to memory of 564 1456 xplorer.exe 35 PID 1456 wrote to memory of 564 1456 xplorer.exe 35 PID 1456 wrote to memory of 564 1456 xplorer.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe"C:\Users\Admin\AppData\Local\Temp\1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Users\Admin\AppData\Local\Temp\1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe"C:\Users\Admin\AppData\Local\Temp\1fc26771866526cb19293f19ffde11fe9c833b336cc67af89160607e0f5eb5d5.exe"2⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\TFDHC.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "xplorer" /t REG_SZ /d "C:\Windows\xplorer\xplorer.exe" /f4⤵
- Adds Run key to start application
PID:1448
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C:\Windows\xplorer\xplorer.exe"C:\Windows\xplorer\xplorer.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\xplorer\xplorer.exe"C:\Windows\xplorer\xplorer.exe"4⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1208
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C:\Windows\xplorer\xplorer.exe"C:\Windows\xplorer\xplorer.exe"4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\syswow64\svchost.exeC:\Windows\syswow64\svchost.exe5⤵
- Adds policy Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
PID:564
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124B
MD54e6e99d38b1264af2b53a68c7cd6d648
SHA155ffe17732d1d9c539d702a1311ef9674fe7b3cf
SHA256168d9cdf4849fde3b4817db207e60934b6c877be439289f3fb3a4eb9e4326ff0
SHA512bde21abed1bfc3dbdd6afc83614aa27c3f33dfbb434e139523ac57ecd84875b0e96a241f5828eda0b055f787ec7f95850b0f4ab0ee752ac36484b2bfd78a859d
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698
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Filesize
160KB
MD570989791f3617d6f542f5df1426f30aa
SHA147294c1c60d96056ffaa2d76510c539002aaccea
SHA256d99a3810f4d9ae2e5cab8cecb082b70b27287efcefcb1f08b5858b2d5376fd44
SHA5120ff4cfb63a36fdeb9b3e0de04e5c77f5e3f3291e2f1d65dda12ad01b8905d97b4523b9f1b73539642b818880f6d26c3f42db27587dd5627c15c82577b8b04698