Analysis
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max time kernel
51s -
max time network
96s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 01:32
Static task
static1
Behavioral task
behavioral1
Sample
a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe
Resource
win7-20221111-en
General
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Target
a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe
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Size
93KB
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MD5
1b63800257a87ded93a99e9877b8d770
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SHA1
7f0aac9dec9c4e8c531396ca5ce3f669e1a25c62
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SHA256
a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba
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SHA512
d5fb546ddad9a456578cb2919a948705b1bb7af883d1c06eae5869ee635ca855cef09bc78c5c8fc23966dbd5ac1cac70b4fee6dc6223d05b0925b466713ab819
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SSDEEP
1536:Oi7ChhhvrT5p3+LgmgoQ/VDgCQIoYbliGN7+PT33joSeHnGCgez9:D7qhrT5p3UONOCQI/pTNCb3jRCv
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 540 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2044 wrote to memory of 540 2044 a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe 28 PID 2044 wrote to memory of 540 2044 a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe 28 PID 2044 wrote to memory of 540 2044 a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe 28 PID 2044 wrote to memory of 540 2044 a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe"C:\Users\Admin\AppData\Local\Temp\a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\a3e8f5af648d19975ca09f3c990207e513c57c1218f72db7de46c152d3b7c7ba.exe" "2⤵
- Deletes itself
PID:540
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948