Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 20:13
Behavioral task
behavioral1
Sample
766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll
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Size
37KB
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MD5
161a4a92b58332f227354de915c52a68
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SHA1
33c106877d7349f12870b79bf19479c039d9024f
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SHA256
766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a
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SHA512
d43f97d1a766ead4c8a1a4a43e3fb4cd999cc8d09d30af0225c061bd1c3506c5157f20ba0bb76ff990817ccae52eb4a7aea2c5cef7f46139bb6397454c8919c5
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SSDEEP
768:TgvRYQ6Tu98ZXmVhXqAi/mu3QcHRItXyXnbcuyD7UdR:MvRYQ8W+XmiA8pFxI5yXnouy8dR
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/0x000c0000000054a8-59.dat acprotect -
resource yara_rule behavioral1/memory/536-56-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/memory/2036-60-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/memory/536-61-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2036 rundll32.exe 2036 rundll32.exe 2036 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\mspime.dll rundll32.exe File opened for modification C:\Windows\mspime.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}\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 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} = "766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll,1312254664,1947795251,-352895392" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 768 wrote to memory of 536 768 rundll32.exe 27 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28 PID 536 wrote to memory of 2036 536 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mspime.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2036
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
37KB
MD5161a4a92b58332f227354de915c52a68
SHA133c106877d7349f12870b79bf19479c039d9024f
SHA256766b0832f6ca42c208159068504bd0d29641f1fc43e7adbdc313277e7d2fda4a
SHA512d43f97d1a766ead4c8a1a4a43e3fb4cd999cc8d09d30af0225c061bd1c3506c5157f20ba0bb76ff990817ccae52eb4a7aea2c5cef7f46139bb6397454c8919c5