Analysis
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max time kernel
111s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
487bbea5d0574e5ec7087020616b30d4.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
487bbea5d0574e5ec7087020616b30d4.exe
Resource
win10v2004-20231215-en
General
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Target
487bbea5d0574e5ec7087020616b30d4.exe
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Size
204KB
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MD5
487bbea5d0574e5ec7087020616b30d4
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SHA1
e1dbba5675020678bf379cebd50b8f315482304f
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SHA256
c3a4f354431eba7dfd6b098a8c306b4e52de99809cc5ecf47b4f30777786b1b3
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SHA512
c58e7fb10eff1f502640475d2293e2435e7302f179fae39a5d321d3ad28625d5febdad70f38dc6ced935344cdcafd74eaf21c7067b81009121cb8b6805ff40d1
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SSDEEP
3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8kkgnYD:o68i3odBiTl2+TCU/Dk8o
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" 487bbea5d0574e5ec7087020616b30d4.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\SHARE_TEMP\Icon10.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon12.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\bugMAKER.bat 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\winhash_up.exe 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon3.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon2.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon5.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon6.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon7.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\SHARE_TEMP\Icon14.ico 487bbea5d0574e5ec7087020616b30d4.exe File created C:\Windows\winhash_up.exez 487bbea5d0574e5ec7087020616b30d4.exe File opened for modification C:\Windows\winhash_up.exez 487bbea5d0574e5ec7087020616b30d4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4600 cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 560 wrote to memory of 4600 560 487bbea5d0574e5ec7087020616b30d4.exe 18 PID 560 wrote to memory of 4600 560 487bbea5d0574e5ec7087020616b30d4.exe 18 PID 560 wrote to memory of 4600 560 487bbea5d0574e5ec7087020616b30d4.exe 18
Processes
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C:\Users\Admin\AppData\Local\Temp\487bbea5d0574e5ec7087020616b30d4.exe"C:\Users\Admin\AppData\Local\Temp\487bbea5d0574e5ec7087020616b30d4.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:4600
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