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Analysis
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max time kernel
156s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe
Resource
win10v2004-20220812-en
General
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Target
877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe
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Size
160KB
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MD5
6e59fcb0c2c2a5c02daa1413f5092310
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SHA1
74917617ce9d83d12fc73e2ab6bbd8e2a95a7b26
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SHA256
877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b
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SHA512
ae87bda425aef19f6cc6e3004c115687da05c53f71b735eef94dbeeb8ed630133c49bc9c902e157548f6ae84cde6dc0e00d051f830c6714f0b95a625653e666a
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SSDEEP
1536:3+gDbKlmyJKz5jR7766dxocisPfDsCUjhe+SPBp9oEoTTLgY++++1sY+++++ZDdM:3xbkuVbvLn7Uj3
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\7013 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msiohu.com" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe -
Executes dropped EXE 3 IoCs
pid Process 1696 xplorer.exe 1752 xplorer.exe 1412 xplorer.exe -
resource yara_rule behavioral1/memory/1168-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-63-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-64-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-67-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1752-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1752-107-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Loads dropped DLL 4 IoCs
pid Process 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.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 2032 set thread context of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 1696 set thread context of 1752 1696 xplorer.exe 31 PID 1696 set thread context of 1412 1696 xplorer.exe 32 -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\PROGRA~3\LOCALS~1\Temp\msiohu.com svchost.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\xplorer\xplorer.exe 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe File opened for modification C:\Windows\xplorer\xplorer.exe 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.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 1412 xplorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1412 xplorer.exe 1412 xplorer.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe Token: SeDebugPrivilege 1752 xplorer.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 1696 xplorer.exe 1752 xplorer.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 2032 wrote to memory of 1168 2032 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 26 PID 1168 wrote to memory of 1700 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 27 PID 1168 wrote to memory of 1700 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 27 PID 1168 wrote to memory of 1700 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 27 PID 1168 wrote to memory of 1700 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 27 PID 1700 wrote to memory of 2000 1700 cmd.exe 29 PID 1700 wrote to memory of 2000 1700 cmd.exe 29 PID 1700 wrote to memory of 2000 1700 cmd.exe 29 PID 1700 wrote to memory of 2000 1700 cmd.exe 29 PID 1168 wrote to memory of 1696 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 30 PID 1168 wrote to memory of 1696 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 30 PID 1168 wrote to memory of 1696 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 30 PID 1168 wrote to memory of 1696 1168 877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe 30 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1752 1696 xplorer.exe 31 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1696 wrote to memory of 1412 1696 xplorer.exe 32 PID 1412 wrote to memory of 848 1412 xplorer.exe 33 PID 1412 wrote to memory of 848 1412 xplorer.exe 33 PID 1412 wrote to memory of 848 1412 xplorer.exe 33 PID 1412 wrote to memory of 848 1412 xplorer.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe"C:\Users\Admin\AppData\Local\Temp\877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Local\Temp\877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe"C:\Users\Admin\AppData\Local\Temp\877c97b644ff93cbda33f41a20878d840e008fd4a41fa283a6897f9c5789035b.exe"2⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\SWRNO.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1700 -
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:2000
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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:1696 -
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:1752
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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:1412 -
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:848
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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
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc
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Filesize
160KB
MD51858bb3152cc09f532ecd202a5d21a02
SHA10a84be7cc8b2d79162a2ebdce5d9e2ab5ac73926
SHA25639da0d798ee1bf4760a14ce07191c0c9aea2adaec251e0b558021b3ecb29e65b
SHA51278e6c71210b103959250cff792b2ad640a159925caabbaddf6daf581dc34dafe5864652f4846578e9b15304cb9d62a44070b62f8f7cb566e52c076bd742c05cc