Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
20-02-2024 22:33
Behavioral task
behavioral1
Sample
fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe
Resource
win10v2004-20240220-en
General
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Target
fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe
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Size
6KB
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MD5
b07d1f0141275eb6b6e35e948a5f63f1
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SHA1
b047666885d54a5f59fa8dc3dd17d1097d3ae12b
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SHA256
fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840
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SHA512
c9e3dc67c81aa5da8724f29afec24a1ebac8e01d655acc8a5a4ea1efc01f094d3c8e115b127d1154308fdfc4c8da7f13a5b046e829153ee0ea561ec4d9a4ac22
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SSDEEP
48:6a/UR7UC1rg7fpJfzw+2sF3YSFEO0IRC+ebPQKwb565VARX54tiOlXItqFDvpfbi:Yggrg7fm4oPIRCRsnbsVAYlI+BzNt
Malware Config
Extracted
purecrypter
http://80.66.76.30/Eryyhcchii.vdf
Signatures
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2816 fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2816 wrote to memory of 3048 2816 fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe 28 PID 2816 wrote to memory of 3048 2816 fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe 28 PID 2816 wrote to memory of 3048 2816 fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe"C:\Users\Admin\AppData\Local\Temp\fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2816 -s 9842⤵PID:3048
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