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Analysis
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max time kernel
153s -
max time network
96s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 23:30
Static task
static1
Behavioral task
behavioral1
Sample
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe
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Size
268KB
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MD5
19bf263d2532d221512d5eaf670dea30
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SHA1
a5e15cea73b651cbc84efcf1200c0853e9e8072b
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SHA256
b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749
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SHA512
9f1b3e953b4cb054a6bd716f0e7c5bc9d1981bcdbab36d5b65315f25aebf0ee99d94ef6ec06479b501b9d8422f502e676e106d3ebac8e1c5deb20bb1a7884836
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SSDEEP
3072:7sSQrIh3ZDY1zuBvLen8DlZniqBXv7yOsWvgbsmIHX0WRIh:7CMpW1qFy8xZnisyOs2tHEWRe
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zoojiw.exe -
Executes dropped EXE 1 IoCs
pid Process 852 zoojiw.exe -
Loads dropped DLL 2 IoCs
pid Process 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /b" b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /w" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /b" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /c" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /s" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /d" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /v" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /l" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /p" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /a" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /h" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /j" zoojiw.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /y" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /q" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /x" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /k" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /m" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /t" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /u" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /z" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /r" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /n" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /i" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /g" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /e" zoojiw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\zoojiw = "C:\\Users\\Admin\\zoojiw.exe /f" zoojiw.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: EnumeratesProcesses 64 IoCs
pid Process 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe 852 zoojiw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 852 zoojiw.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1536 wrote to memory of 852 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 28 PID 1536 wrote to memory of 852 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 28 PID 1536 wrote to memory of 852 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 28 PID 1536 wrote to memory of 852 1536 b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe"C:\Users\Admin\AppData\Local\Temp\b4bc16f8caee058fc6bf74aeb2cc94e12a3398970f8962760db6d01e59920749.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\zoojiw.exe"C:\Users\Admin\zoojiw.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:852
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD588cbc1934e7b195939ef089c2f013425
SHA1e3a3fe153f0aa85718bf91c61151d40f6340b941
SHA256aac68bc3bce73026ea9d8013fc7158314f9ccd2ad80707ac17374498518c14c0
SHA512efc48e212eefd05b9420cd416d076dc6ff723bfcbc1b7016d32f40421fb0c9c30ff61e272332ea158ddce973ae3f08fc8a4a594f246b11d746e97f1c4cf8175d
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Filesize
268KB
MD588cbc1934e7b195939ef089c2f013425
SHA1e3a3fe153f0aa85718bf91c61151d40f6340b941
SHA256aac68bc3bce73026ea9d8013fc7158314f9ccd2ad80707ac17374498518c14c0
SHA512efc48e212eefd05b9420cd416d076dc6ff723bfcbc1b7016d32f40421fb0c9c30ff61e272332ea158ddce973ae3f08fc8a4a594f246b11d746e97f1c4cf8175d
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Filesize
268KB
MD588cbc1934e7b195939ef089c2f013425
SHA1e3a3fe153f0aa85718bf91c61151d40f6340b941
SHA256aac68bc3bce73026ea9d8013fc7158314f9ccd2ad80707ac17374498518c14c0
SHA512efc48e212eefd05b9420cd416d076dc6ff723bfcbc1b7016d32f40421fb0c9c30ff61e272332ea158ddce973ae3f08fc8a4a594f246b11d746e97f1c4cf8175d
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Filesize
268KB
MD588cbc1934e7b195939ef089c2f013425
SHA1e3a3fe153f0aa85718bf91c61151d40f6340b941
SHA256aac68bc3bce73026ea9d8013fc7158314f9ccd2ad80707ac17374498518c14c0
SHA512efc48e212eefd05b9420cd416d076dc6ff723bfcbc1b7016d32f40421fb0c9c30ff61e272332ea158ddce973ae3f08fc8a4a594f246b11d746e97f1c4cf8175d