Analysis
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max time kernel
118s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
27-10-2023 22:15
Behavioral task
behavioral1
Sample
winlogonhelp.exe
Resource
win7-20231023-en
General
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Target
winlogonhelp.exe
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Size
14.4MB
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MD5
883659842ddff81d80972bbb9741f1c6
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SHA1
816ef1e3b4bb2bcf09a287c8e782834edabf0e29
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SHA256
a0e608801566feb6f2597aed98eed1ace8093bd1400e0172ce214d3c37fa8f2a
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SHA512
378690f932c5fe12f059f70dc7abe6667da07f18b7ca18093b398b254a6921fe0f0a969d504b494e880cdaad11f839c8369e20b8a67d3420e0a7bacd0f3cddff
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SSDEEP
393216:JiIE7YoPQbjdQuslSq99oWOv+9fgF9spY4Je:W7rPQ3dQuSDorvSYPsp9J
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2616 winlogonhelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1800 wrote to memory of 2616 1800 winlogonhelp.exe 28 PID 1800 wrote to memory of 2616 1800 winlogonhelp.exe 28 PID 1800 wrote to memory of 2616 1800 winlogonhelp.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\winlogonhelp.exe"C:\Users\Admin\AppData\Local\Temp\winlogonhelp.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\winlogonhelp.exe"C:\Users\Admin\AppData\Local\Temp\winlogonhelp.exe"2⤵
- Loads dropped DLL
PID:2616
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
4.3MB
MD5deaf0c0cc3369363b800d2e8e756a402
SHA13085778735dd8badad4e39df688139f4eed5f954
SHA256156cf2b64dd0f4d9bdb346b654a11300d6e9e15a65ef69089923dafc1c71e33d
SHA5125cac1d92af7ee18425b5ee8e7cd4e941a9ddffb4bc1c12bb8aeabeed09acec1ff0309abc41a2e0c8db101fee40724f8bfb27a78898128f8746c8fe01c1631989
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Filesize
4.3MB
MD5deaf0c0cc3369363b800d2e8e756a402
SHA13085778735dd8badad4e39df688139f4eed5f954
SHA256156cf2b64dd0f4d9bdb346b654a11300d6e9e15a65ef69089923dafc1c71e33d
SHA5125cac1d92af7ee18425b5ee8e7cd4e941a9ddffb4bc1c12bb8aeabeed09acec1ff0309abc41a2e0c8db101fee40724f8bfb27a78898128f8746c8fe01c1631989