Analysis
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max time kernel
124s -
max time network
175s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-10-2022 04:04
Static task
static1
Behavioral task
behavioral1
Sample
4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe
Resource
win10v2004-20220901-en
General
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Target
4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe
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Size
581KB
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MD5
80e956cfb25305ae638a61442de07410
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SHA1
95814365e234508a7e35d33fa77e9d0d8c4b3842
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SHA256
4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710
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SHA512
f5615773b0e21be73c5d3cae942efa163161b6b5fcfa8fd4eb7cc3a6f4a5a21549128e9fe05952a2b8215d6748a96a71ce94c1bec1b28792cf9653f8303f1a6f
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SSDEEP
12288:OQFagl4ZjL++kpFDI+4hPBH1S4+gHRMEM9LCB9Gl/DN:OQFNC+fI+g1S4+gHOt9LCc/D
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2040-55-0x00000000005E0000-0x0000000000712000-memory.dmp upx behavioral1/memory/2040-59-0x00000000005E0000-0x0000000000712000-memory.dmp upx behavioral1/memory/2040-61-0x00000000005E0000-0x0000000000712000-memory.dmp upx behavioral1/memory/2040-62-0x00000000005E0000-0x0000000000712000-memory.dmp upx behavioral1/memory/2040-63-0x00000000005E0000-0x0000000000712000-memory.dmp upx behavioral1/memory/956-66-0x0000000001D50000-0x0000000001E82000-memory.dmp upx behavioral1/memory/956-70-0x0000000001D50000-0x0000000001E82000-memory.dmp upx behavioral1/memory/956-69-0x0000000001D50000-0x0000000001E82000-memory.dmp upx behavioral1/memory/956-71-0x0000000001D50000-0x0000000001E82000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2040 wrote to memory of 956 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 28 PID 2040 wrote to memory of 956 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 28 PID 2040 wrote to memory of 956 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 28 PID 2040 wrote to memory of 956 2040 4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe"C:\Users\Admin\AppData\Local\Temp\4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe"1⤵
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe"C:\Users\Admin\AppData\Local\Temp\4d373d4afbe02d94fd2090567d50f37a3db2f498e4df99fc04e2f03908762710.exe" /_ShowProgress2⤵PID:956
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