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Analysis
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max time kernel
156s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe
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Size
240KB
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MD5
83cf66e02fdb324e7336d3749ea8ef74
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SHA1
725cd6e7e7f9815e8ad3668e6fdebf9389e13970
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SHA256
b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2
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SHA512
a28f5ad9e15be5e980c374f7a979b8a68fecba777e5fc12d82182f154eacaee2b1a1ea2ba51f7a64157436de46d125330eb7778f003ae99ddfd96a3cccae09cf
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SSDEEP
3072:SkN0T8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5czHPS:SL0UGKGkFRKfeoztOu
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pkdiij.exe -
Executes dropped EXE 1 IoCs
pid Process 5104 pkdiij.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /w" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /n" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /m" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /d" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /d" b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /j" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /t" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /s" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /u" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /y" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /k" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /r" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /a" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /z" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /i" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /x" pkdiij.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /g" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /e" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /p" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /o" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /c" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /f" pkdiij.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /q" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /v" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /l" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /h" pkdiij.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pkdiij = "C:\\Users\\Admin\\pkdiij.exe /b" pkdiij.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 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe 5104 pkdiij.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 5104 pkdiij.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4644 wrote to memory of 5104 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 82 PID 4644 wrote to memory of 5104 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 82 PID 4644 wrote to memory of 5104 4644 b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.exe"C:\Users\Admin\AppData\Local\Temp\b9bb580ac88d878b2165ae7e3cb560b7dd2471d25a850eea5b1b757c3cb7b2d2.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:4644 -
C:\Users\Admin\pkdiij.exe"C:\Users\Admin\pkdiij.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:5104
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD58a042675e6d1e728478e57ca7b526735
SHA1ea7396b117e5b36be9230b70112ec09146e44962
SHA2564f4135a7ae6b719421a8312a309019c0a3cf57f5d2b0453910296e8c7ce01562
SHA51287466bbe1189d5e73d44668f7c841a957dffbbf3ef6de53dca4d1a289353b67028eb48204c60c3349fd0f5f1f548b4c677e2110f488257f030a588b04a584d39
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Filesize
240KB
MD58a042675e6d1e728478e57ca7b526735
SHA1ea7396b117e5b36be9230b70112ec09146e44962
SHA2564f4135a7ae6b719421a8312a309019c0a3cf57f5d2b0453910296e8c7ce01562
SHA51287466bbe1189d5e73d44668f7c841a957dffbbf3ef6de53dca4d1a289353b67028eb48204c60c3349fd0f5f1f548b4c677e2110f488257f030a588b04a584d39