Analysis
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max time kernel
152s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:44
Static task
static1
Behavioral task
behavioral1
Sample
fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe
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Size
88KB
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MD5
0ce849f164adaf0bedf24ed15c23e200
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SHA1
91a84a1ced2b5c59986a0568789a9fdd065d66bf
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SHA256
fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed
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SHA512
2819c0ee7fb661755d7e5522acf774601a56685dbde39c9a2d3548caca0caf77c92221d4e328fe7075b4d69469d906d2ea621f2472f8e5debc2206200b557c57
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SSDEEP
1536:SUA8MZOEUdUsyvIyWGgXQAKkOBY5GCa4Z6wKVOFJGUzOZGX+8HxlaoBK8:u8MZAE9x4EHU4GTaoI8
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tycef.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe -
Executes dropped EXE 1 IoCs
pid Process 2000 tycef.exe -
Loads dropped DLL 2 IoCs
pid Process 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /l" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /y" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /d" tycef.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /f" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /q" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /w" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /o" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /x" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /i" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /h" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /e" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /v" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /a" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /b" fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /p" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /z" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /s" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /t" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /j" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /b" tycef.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /g" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /m" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /n" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /u" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /c" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /r" tycef.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tycef = "C:\\Users\\Admin\\tycef.exe /k" tycef.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 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe 2000 tycef.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 2000 tycef.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1932 wrote to memory of 2000 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 28 PID 1932 wrote to memory of 2000 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 28 PID 1932 wrote to memory of 2000 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 28 PID 1932 wrote to memory of 2000 1932 fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.exe"C:\Users\Admin\AppData\Local\Temp\fdfe660e3062483bb49ce1256493b118f199723c7ca4568ee6c5101a61b04bed.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:1932 -
C:\Users\Admin\tycef.exe"C:\Users\Admin\tycef.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:2000
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD51cd5afe848324ed2f318dda5e164edfd
SHA1592dd0d18f154456e85474fab32dfc502a25fde8
SHA25660b3bedfe771621c405a17c2fb4398dc34295a4e1dc4a501f2d3ab5a207156d9
SHA5122b892b34c601836adb177e30a647c590030955b5d3f017ff9f794df8aabe739a789f4552a5a26622db1bc43846073817aab2ba8f51efcb5f97f8433ccc484fbd
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Filesize
88KB
MD51cd5afe848324ed2f318dda5e164edfd
SHA1592dd0d18f154456e85474fab32dfc502a25fde8
SHA25660b3bedfe771621c405a17c2fb4398dc34295a4e1dc4a501f2d3ab5a207156d9
SHA5122b892b34c601836adb177e30a647c590030955b5d3f017ff9f794df8aabe739a789f4552a5a26622db1bc43846073817aab2ba8f51efcb5f97f8433ccc484fbd
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Filesize
88KB
MD51cd5afe848324ed2f318dda5e164edfd
SHA1592dd0d18f154456e85474fab32dfc502a25fde8
SHA25660b3bedfe771621c405a17c2fb4398dc34295a4e1dc4a501f2d3ab5a207156d9
SHA5122b892b34c601836adb177e30a647c590030955b5d3f017ff9f794df8aabe739a789f4552a5a26622db1bc43846073817aab2ba8f51efcb5f97f8433ccc484fbd
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Filesize
88KB
MD51cd5afe848324ed2f318dda5e164edfd
SHA1592dd0d18f154456e85474fab32dfc502a25fde8
SHA25660b3bedfe771621c405a17c2fb4398dc34295a4e1dc4a501f2d3ab5a207156d9
SHA5122b892b34c601836adb177e30a647c590030955b5d3f017ff9f794df8aabe739a789f4552a5a26622db1bc43846073817aab2ba8f51efcb5f97f8433ccc484fbd