Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 00:05
Static task
static1
Behavioral task
behavioral1
Sample
b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe
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Size
108KB
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MD5
6412492cb3f44d66d8f68891645d97b0
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SHA1
ae7bd56d73624b832f6db3fe01b4aa889b5e2b81
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SHA256
b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8
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SHA512
b35aa14610ec8eac22946094b5447f0652e2a13f75335be475dbf507896fe8567ef9b8580c30586a66e946384fba5e281861e35ce919a204d08f3f617928b737
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SSDEEP
1536:bG+MKiB6oQ7Lh5+sXmNP0ttlPXLq0zTrk3:qDmoIeZPsXTzTo3
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pbkiux.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe -
Executes dropped EXE 1 IoCs
pid Process 4932 pbkiux.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /d" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /i" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /h" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /y" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /t" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /v" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /k" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /u" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /p" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /j" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /x" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /r" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /c" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /u" b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /a" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /g" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /f" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /e" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /s" pbkiux.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /w" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /q" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /z" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /b" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /l" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /o" pbkiux.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /m" pbkiux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pbkiux = "C:\\Users\\Admin\\pbkiux.exe /n" pbkiux.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 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe 4932 pbkiux.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 4932 pbkiux.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5028 wrote to memory of 4932 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 82 PID 5028 wrote to memory of 4932 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 82 PID 5028 wrote to memory of 4932 5028 b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.exe"C:\Users\Admin\AppData\Local\Temp\b2aa3749020a4038daf7cdea45008ba26bf6ff9b12a7df801ad7f33c59ffd4b8.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:5028 -
C:\Users\Admin\pbkiux.exe"C:\Users\Admin\pbkiux.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:4932
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD5fec3e7a4ede4e8a382dff7f236c9e384
SHA1b8983f4bdd3e8e8c3c34b7b888b1afecd63f3c98
SHA2562a66fc6b831320049c9a33cdeb9d7b372816e2ef085152b13e810149e0268cb7
SHA5126ee790a14135634807807a296c586d74be3b8512c692f123c291dd0c513b50919308499b092699f289a0164857c77ba954a51dc79e7ca627eda0bbb16b27fcc3
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Filesize
108KB
MD5fec3e7a4ede4e8a382dff7f236c9e384
SHA1b8983f4bdd3e8e8c3c34b7b888b1afecd63f3c98
SHA2562a66fc6b831320049c9a33cdeb9d7b372816e2ef085152b13e810149e0268cb7
SHA5126ee790a14135634807807a296c586d74be3b8512c692f123c291dd0c513b50919308499b092699f289a0164857c77ba954a51dc79e7ca627eda0bbb16b27fcc3