Analysis
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max time kernel
266s -
max time network
265s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 22:51
Static task
static1
Behavioral task
behavioral1
Sample
b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe
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Size
212KB
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MD5
0f891219f7d89012a9c88d843c18bd30
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SHA1
4e81f4eaee312346d76ce67ee57e768b14fd4e67
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SHA256
b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9
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SHA512
626f0d8d43804123f4df5c13118357478fc49704394c2877633029403a326f6a4fea016234029ef2f3d4b5fca1003dad95c357314bcb7aeb93589a91bf08b094
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SSDEEP
3072:tVbPD2g8h7kv+EbncAXp4wiY3fXfLqus2RrMh9VsgV2Ksb+ET8/3TYhPR+fA4eQf:987kvHtdysb+duWMs
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" b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tieloa.exe -
Executes dropped EXE 1 IoCs
pid Process 1772 tieloa.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 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.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\tieloa = "C:\\Users\\Admin\\tieloa.exe /f" tieloa.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /k" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /z" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /g" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /e" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /q" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /y" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /v" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /o" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /l" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /t" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /w" b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /a" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /j" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /i" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /b" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /n" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /s" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /c" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /x" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /p" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /m" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /r" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /h" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /u" tieloa.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /w" tieloa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tieloa = "C:\\Users\\Admin\\tieloa.exe /d" tieloa.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 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe 1772 tieloa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 1772 tieloa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 988 wrote to memory of 1772 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 80 PID 988 wrote to memory of 1772 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 80 PID 988 wrote to memory of 1772 988 b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.exe"C:\Users\Admin\AppData\Local\Temp\b7f82e67c015e29b12493825be8dacf1f8b0c628edbf23a0a636a545e758b2d9.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:988 -
C:\Users\Admin\tieloa.exe"C:\Users\Admin\tieloa.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:1772
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD5706be66b233e5c32665d28ecb9f079be
SHA1b32265c5ab4c82b89b31888525ce5bd95fe48c46
SHA256e9a65499121b1caaaf461280f8cf1574bdbcf40f1f24c980e75e031f44b84bcb
SHA512f5acaff90440368c77167cd74e11ae0d3e4b0768bfab9f6a5c7f0c4e62e638e0ea5c5ef9406ca2286e5d629b43f4cc157920fafd42357c76131ed2100d8ed1d4
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Filesize
212KB
MD5706be66b233e5c32665d28ecb9f079be
SHA1b32265c5ab4c82b89b31888525ce5bd95fe48c46
SHA256e9a65499121b1caaaf461280f8cf1574bdbcf40f1f24c980e75e031f44b84bcb
SHA512f5acaff90440368c77167cd74e11ae0d3e4b0768bfab9f6a5c7f0c4e62e638e0ea5c5ef9406ca2286e5d629b43f4cc157920fafd42357c76131ed2100d8ed1d4