Analysis
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max time kernel
64s -
max time network
56s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/01/2023, 10:23
Behavioral task
behavioral1
Sample
77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe
Resource
win10v2004-20221111-en
General
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Target
77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe
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Size
44KB
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MD5
54b04c4846fab92642827b0d8fa86474
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SHA1
7292d1728cc295f12c0dcb76570f3bc4d63d0a8e
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SHA256
77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e
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SHA512
ef43bd4fa008f5bad4bd8368801c3bbbaa2cd3b0cdd38d9a8e4b3d4115df389d0b474d83878d9fdb25d7cc43d18d99c20e3fc246429b7609e72bb9ea21f7ef44
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SSDEEP
192:wijBJmGQCBff2YnZx9Km4JCSYx8tfMHHoYYwOJ4etAEdKdO58rLGgi47sZXCBeOj:wGaKnZmHG8tUHHojSe3iV9qXBKmAY
Malware Config
Extracted
purecrypter
https://cesarsoriano.pe/wp-content/uploads/Tfykjvlwy.dll
Signatures
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Program crash 1 IoCs
pid pid_target Process procid_target 1544 1480 WerFault.exe 27 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1480 77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1480 wrote to memory of 1544 1480 77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe 28 PID 1480 wrote to memory of 1544 1480 77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe 28 PID 1480 wrote to memory of 1544 1480 77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe"C:\Users\Admin\AppData\Local\Temp\77254af9b820ada0d2f0e274b81dd99279a9a88e2f1b309e99c6399d307ada0e.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1480 -s 10602⤵
- Program crash
PID:1544
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