Analysis
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max time kernel
144s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 12:27
Static task
static1
Behavioral task
behavioral1
Sample
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe
Resource
win10v2004-20221111-en
General
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Target
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe
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Size
2.5MB
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MD5
ba0ed3dfa66b2d553f1de7d63f0edd3d
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SHA1
f0563fc5187459d66396fe524788eb41a0c0e5f7
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SHA256
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a
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SHA512
17e1335500e4a720230e4ee54bae937e3117a8a6606c2fae46a6aae141370ee12dc5150690d7022fbf35fedb675913abfd545a6f59204898c85ff26113f8c6a4
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SSDEEP
49152:9hto4n+MfqzEtMtP0vunRwM/2nVJac2ne:9jo4+sKEtgP02yC2nVJ52ne
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Windows\system\SkinH_EL.dll acprotect -
Processes:
resource yara_rule \Windows\system\SkinH_EL.dll upx behavioral1/memory/1200-61-0x00000000003B0000-0x00000000003F3000-memory.dmp upx -
Loads dropped DLL 1 IoCs
Processes:
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exepid process 1200 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe -
Drops file in Windows directory 4 IoCs
Processes:
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exedescription ioc process File created C:\WINDOWS\system\SkinH_EL.dll 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe File opened for modification C:\WINDOWS\system\SkinH_EL.dll 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe File created C:\WINDOWS\system\she1.she 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe File opened for modification C:\WINDOWS\system\she1.she 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exepid process 1200 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe 1200 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe 1200 2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe"C:\Users\Admin\AppData\Local\Temp\2f79d5c5c77c29c061cbdacbed17c03c771f78b23d79a7c468bd8f61266ea62a.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:1200
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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\Windows\system\SkinH_EL.dllFilesize
98KB
MD54e70aa97f22995853da109a2a05b1335
SHA116d243efe827436907a65aeafcd02312960225a0
SHA256ee59d2fd30511ce7611a4a229610584a52678d9423f41c23e2aaae56b211bd4f
SHA5121aed4011fcbb0eabc14d236d0aea4b54e33d02365777196ceb22d84aaf4de7469bda0f5d124bd022c3c1c3748cd6467008cef0de1f0f025e7a324fbc7152854e
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memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmpFilesize
8KB
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memory/1200-55-0x0000000010000000-0x0000000010014000-memory.dmpFilesize
80KB
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memory/1200-59-0x0000000000400000-0x00000000006B7000-memory.dmpFilesize
2.7MB
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memory/1200-61-0x00000000003B0000-0x00000000003F3000-memory.dmpFilesize
268KB
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memory/1200-62-0x0000000000400000-0x00000000006B7000-memory.dmpFilesize
2.7MB