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Analysis
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max time kernel
189s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 04:17
Behavioral task
behavioral1
Sample
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll
Resource
win7-20220901-en
windows7-x64
Behavioral task
behavioral2
Sample
82e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
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
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000200000002265d-135.dat acprotect behavioral2/files/0x000200000002265d-136.dat acprotect -
resource yara_rule behavioral2/memory/4956-133-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral2/files/0x000200000002265d-135.dat upx behavioral2/files/0x000200000002265d-136.dat upx behavioral2/memory/5084-137-0x0000000010000000-0x0000000010023000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 5084 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 5084 rundll32.exe 5084 rundll32.exe 5084 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\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe 5084 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4796 wrote to memory of 4956 4796 rundll32.exe 83 PID 4796 wrote to memory of 4956 4796 rundll32.exe 83 PID 4796 wrote to memory of 4956 4796 rundll32.exe 83 PID 4956 wrote to memory of 5084 4956 rundll32.exe 84 PID 4956 wrote to memory of 5084 4956 rundll32.exe 84 PID 4956 wrote to memory of 5084 4956 rundll32.exe 84
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:4796 -
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:4956 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msisue.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:5084
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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
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Filesize
39KB
MD5bc422a38b9bfc69319eb6d9bded87dd3
SHA1b879796487899f1cf14b470fe1159ca420d0399f
SHA25682e16fe44b6cf1025c3c49f9c01f3c95415081188c36bf41f72c08ef0294156f
SHA5125d11764556054113b1093f218d5c14c89a6ea86511e0fc0c0ebac99baf8ec457a5258e3e964e595081f46d412f353bb0b9a52d220e625916558a4f2ccb4ed34f