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Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 04:17
Behavioral task
behavioral1
Sample
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll
Resource
win7-20220901-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll
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Size
39KB
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MD5
bc422a38b9bfc69319eb6d9bded87dd3
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SHA1
b879796487899f1cf14b470fe1159ca420d0399f
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SHA256
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f
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SHA512
5d11764556054113b1093f218d5c14c89a6ea86511e0fc0c0ebac99baf8ec457a5258e3e964e595081f46d412f353bb0b9a52d220e625916558a4f2ccb4ed34f
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SSDEEP
768:TsfyPbN5SIzeedS3CS6FT50uHfqV3KtiAGJGTV7LjgointDz2l13E+5ZJnbcuyDV:TsONIfedsCSo0KtLGMTZglRKq+5ZJnoL
Score
9/10
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000500000000b2d2-59.dat acprotect -
resource yara_rule behavioral1/memory/1124-56-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/files/0x000500000000b2d2-59.dat upx behavioral1/memory/1160-60-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/memory/1124-61-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/memory/1160-62-0x0000000010000000-0x0000000010023000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\lua.wkl rundll32.exe File created C:\Windows\msisue.dll rundll32.exe File opened for modification C:\Windows\msisue.dll rundll32.exe File opened for modification C:\Windows\lua.wkl rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll,1314253800,1613214232,-352895392" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe 1160 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1492 wrote to memory of 1124 1492 rundll32.exe 27 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28 PID 1124 wrote to memory of 1160 1124 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msisue.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1160
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
39KB
MD5bc422a38b9bfc69319eb6d9bded87dd3
SHA1b879796487899f1cf14b470fe1159ca420d0399f
SHA25682e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f
SHA5125d11764556054113b1093f218d5c14c89a6ea86511e0fc0c0ebac99baf8ec457a5258e3e964e595081f46d412f353bb0b9a52d220e625916558a4f2ccb4ed34f