Analysis
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max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-04-2024 08:08
Behavioral task
behavioral1
Sample
d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe
Resource
win10v2004-20240226-en
General
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Target
d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe
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Size
872KB
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MD5
d015a2fae71978f785fa02c38423df2a
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SHA1
1e0bb5360f52fbfce533788401070485364edbcb
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SHA256
d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3
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SHA512
622a886e52ba476dbf79cbca5c930dfc6c9dbbb6291b0274fcafd4becdbf5f03b51e3f5e5fdb689424f97a1838627f1b65907ccfeab5c6cc55992d7b52c2ca49
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SSDEEP
12288:3L5Ya5t1QR5UXpNAG3vWYgeWYg955/155/rI2C7ECSz5+XJBLWe+nForgytP:75Ya5t1QRmXpNAG3AaDwKJWe+nFagy
Malware Config
Signatures
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AtomSilo
Ransomware family first seen in September 2021.
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AtomSilo Ransomware 2 IoCs
resource yara_rule behavioral1/memory/2280-0-0x000000013F7E0000-0x000000013F8BA000-memory.dmp family_atomsilo behavioral1/memory/2280-1-0x000000013F7E0000-0x000000013F8BA000-memory.dmp family_atomsilo -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2280 wrote to memory of 1864 2280 d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe 29 PID 2280 wrote to memory of 1864 2280 d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe 29 PID 2280 wrote to memory of 1864 2280 d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe"C:\Users\Admin\AppData\Local\Temp\d1a6ff8fbcb49b97107c3145ffbbeee44bd8886193856374002e4aaee27a50f3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2280 -s 882⤵PID:1864
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