Analysis
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max time kernel
236s -
max time network
229s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 23:21
Static task
static1
Behavioral task
behavioral1
Sample
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
Resource
win10v2004-20220721-en
General
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Target
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
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Size
189KB
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MD5
310fa3e9f8e0785c50b14da66d8fe8b9
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SHA1
b51afedfa3f3875665322fb0af10f0e85ab6c3ee
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SHA256
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8
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SHA512
ab3677c29fe6033efb503980583c9fa0133af730db95e9e87545a418aca135c74322e56e8500b97832d4db9db91a647c5f59d405cb89815816b58bfed5fd423e
Malware Config
Signatures
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Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
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Loads dropped DLL 1 IoCs
Processes:
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exepid process 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exedescription pid process target process PID 3340 set thread context of 4000 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exepid process 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exedescription pid process target process PID 3340 wrote to memory of 4000 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe PID 3340 wrote to memory of 4000 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe PID 3340 wrote to memory of 4000 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe PID 3340 wrote to memory of 4000 3340 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe 5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"2⤵PID:4000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\nsdB4CB.tmp\System.dllFilesize
11KB
MD5ca332bb753b0775d5e806e236ddcec55
SHA1f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f
SHA256df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d
SHA5122de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00
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memory/3340-131-0x0000000003010000-0x000000000302D000-memory.dmpFilesize
116KB
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memory/3340-132-0x0000000003010000-0x000000000302D000-memory.dmpFilesize
116KB
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memory/4000-133-0x0000000000000000-mapping.dmp
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memory/4000-134-0x00000000001D0000-0x00000000001F7000-memory.dmpFilesize
156KB
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memory/4000-135-0x0000000001FB0000-0x0000000001FD7000-memory.dmpFilesize
156KB
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memory/4000-136-0x0000000001FB0000-0x0000000001FD7000-memory.dmpFilesize
156KB