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Analysis
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max time kernel
139s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 16:05
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll
Resource
win10v2004-20230915-en
General
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Target
NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll
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Size
154KB
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MD5
05bb05be919ba25b7a30c070afb72e90
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SHA1
5091ce61d55ac4e22580fdb1fe1bac1e050e912c
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SHA256
f53b5e47faf3aa19be911686038e37af32d78e43845082bf4ed1c0812f59afca
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SHA512
05f3007f56a4b70ab2aabe6e14a5e4164314af53ae29250d5531862ab5552f09d70e0f0f998adf00533adc34b66cb212aae6085884b21db592adc6176946354f
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SSDEEP
3072:hyJWxKouy1GVsmdPvSYFETC2lQBV+UdE+rECWp7hKGy:hd4y1GVsmdPvpETIBV+UdvrEFp7hKP
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/0x000800000002306f-1.dat acprotect behavioral2/files/0x000800000002306f-3.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 5000 regsvr32.exe 5000 regsvr32.exe -
resource yara_rule behavioral2/files/0x000800000002306f-1.dat upx behavioral2/files/0x000800000002306f-3.dat upx behavioral2/memory/5000-7-0x00000000021E0000-0x0000000002210000-memory.dmp upx behavioral2/memory/5000-9-0x00000000021E0000-0x0000000002210000-memory.dmp upx behavioral2/memory/5000-12-0x00000000021E0000-0x0000000002210000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll regsvr32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1428 5000 WerFault.exe 86 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4204 wrote to memory of 5000 4204 regsvr32.exe 86 PID 4204 wrote to memory of 5000 4204 regsvr32.exe 86 PID 4204 wrote to memory of 5000 4204 regsvr32.exe 86
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll2⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:5000 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 6243⤵
- Program crash
PID:1428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5000 -ip 50001⤵PID:1604
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab