Analysis
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max time kernel
106s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe
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Size
88KB
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MD5
6d33333a86b21312813b3c4f810ede20
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SHA1
57634a174af1a4196e6a689f631d55919569b997
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SHA256
cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d
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SHA512
28b91b7ee9f51605e28746bd9ddfc3adb053d3733d3717cc75414242b0c190e18a0981b748c271c6332b8a78c6394f2b7d912607fbf53015ac2821ab6872b7ff
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SSDEEP
1536:NETwkNvg9rlFEJ71b2gYmHVwrESOQdGV4Hj:6TjaTiJ71bB+Gsj
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wokow.exe -
Executes dropped EXE 1 IoCs
pid Process 4772 wokow.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /y" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /l" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /l" wokow.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /n" wokow.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /z" cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /o" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /f" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /v" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /o" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /q" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /m" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /k" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /f" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /i" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /w" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /a" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /a" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /b" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /r" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /x" wokow.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /u" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /k" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /z" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /b" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /d" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /j" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /s" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /i" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /w" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /t" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /h" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /p" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /g" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /i" cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /v" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /e" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /x" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /m" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /d" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /s" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /t" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /y" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /u" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /h" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /z" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /c" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /q" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /p" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /r" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /e" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /n" wokow.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /g" wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /j" wokow.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wokow.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wokow = "C:\\Users\\Admin\\wokow.exe /c" wokow.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 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe 4772 wokow.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4772 wokow.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 4772 wokow.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5036 wrote to memory of 4772 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 84 PID 5036 wrote to memory of 4772 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 84 PID 5036 wrote to memory of 4772 5036 cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe"C:\Users\Admin\AppData\Local\Temp\cdc8bd4b65bdc46e3b33ca3d4ff09e5a89603fd76468aa8dffaffbb1e950ea8d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\wokow.exe"C:\Users\Admin\wokow.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4772
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5612540865a061388e0400ecc7dc9e9b2
SHA1b86fe0ddf09411758c174491cd86c234cb2891db
SHA256a7e4c7ba1edd1c0d0ec24ebea95b7dfaa1701e75a86f6264b5ba0f718cbbe5ab
SHA5126eb954104338d5d477323154239e5a0f7168b05196271a31a3ed6bedd9b8d6d7eb9265c6b4d69e2dfe5e09fdb601dbf9dac5f599eab2730ce01314500abfbc40
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Filesize
88KB
MD5612540865a061388e0400ecc7dc9e9b2
SHA1b86fe0ddf09411758c174491cd86c234cb2891db
SHA256a7e4c7ba1edd1c0d0ec24ebea95b7dfaa1701e75a86f6264b5ba0f718cbbe5ab
SHA5126eb954104338d5d477323154239e5a0f7168b05196271a31a3ed6bedd9b8d6d7eb9265c6b4d69e2dfe5e09fdb601dbf9dac5f599eab2730ce01314500abfbc40