Analysis
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max time kernel
144s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
21-10-2022 00:15
Static task
static1
Behavioral task
behavioral1
Sample
8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll
Resource
win10v2004-20220812-en
General
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Target
8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll
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Size
244KB
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MD5
75e6c5f90d12885e6ae103440f4ee500
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SHA1
342cb45b2f28644c4029ae297450f28a684eadb3
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SHA256
8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5
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SHA512
02225b2db94982671c5bd75ae7481d5e335f8e6e84dcb73c6b9bc2deb46f11e77548184ff3065ac58b48f01cefe9f8b36ef66491d7e81829e57b90f3e446f992
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SSDEEP
3072:iHJ3uezIH4TwDnbU+VPBNiz2130BSuqPeBZuIvv2nxy4B0hw+Dc2c2C:tU4HHpB1jcZbvenxybG+pc2C
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 792 rundll32mgr.exe -
resource yara_rule behavioral1/files/0x00140000000054ab-56.dat upx behavioral1/files/0x00140000000054ab-59.dat upx behavioral1/files/0x00140000000054ab-57.dat upx behavioral1/memory/792-65-0x0000000000400000-0x0000000000466000-memory.dmp upx behavioral1/files/0x00140000000054ab-69.dat upx behavioral1/files/0x00140000000054ab-68.dat upx behavioral1/files/0x00140000000054ab-67.dat upx behavioral1/files/0x00140000000054ab-70.dat upx -
Loads dropped DLL 6 IoCs
pid Process 1628 rundll32.exe 1628 rundll32.exe 1444 WerFault.exe 1444 WerFault.exe 1444 WerFault.exe 1444 WerFault.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1444 792 WerFault.exe 28 1252 1628 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1724 wrote to memory of 1628 1724 rundll32.exe 27 PID 1628 wrote to memory of 792 1628 rundll32.exe 28 PID 1628 wrote to memory of 792 1628 rundll32.exe 28 PID 1628 wrote to memory of 792 1628 rundll32.exe 28 PID 1628 wrote to memory of 792 1628 rundll32.exe 28 PID 792 wrote to memory of 1444 792 rundll32mgr.exe 29 PID 792 wrote to memory of 1444 792 rundll32mgr.exe 29 PID 792 wrote to memory of 1444 792 rundll32mgr.exe 29 PID 792 wrote to memory of 1444 792 rundll32mgr.exe 29 PID 1628 wrote to memory of 1252 1628 rundll32.exe 30 PID 1628 wrote to memory of 1252 1628 rundll32.exe 30 PID 1628 wrote to memory of 1252 1628 rundll32.exe 30 PID 1628 wrote to memory of 1252 1628 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8a005b30a4aba7b10a1146826a189d8ec240316464b5b45cdaed56272608bbc5.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 484⤵
- Loads dropped DLL
- Program crash
PID:1444
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 2243⤵
- Program crash
PID:1252
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d
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Filesize
177KB
MD53057899a0737ff16ec205af279774bc3
SHA1d845fc786a80680215fc7fdbaf359d0f6208ecb2
SHA256ca004129badd533f7f0ec63e96dbead81b675da7794ce6ebb35cfa11c1f5de23
SHA5124588c3c1229f02e542ccefab17b6a87fd7b6f1f516ab8643211f83502ec7e620d58c73de97dca11178b8c1a897be8c3497611655c7bb6d007fc545f050bd412d