Analysis
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max time kernel
147s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-05-2021 10:35
Static task
static1
Behavioral task
behavioral1
Sample
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe
Resource
win10v20210408
General
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Target
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe
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Size
3.8MB
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MD5
a3cf78d1a1d247c5c78c68d947e5ce4c
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SHA1
0591a83d66a1e0a3581551b2e9c9dfa1e9b7030c
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SHA256
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169
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SHA512
a8e0875a4b974f310881d016e8c772469c784e1c748e68f88968803a44d8a456dfd7a27877efcb19ee7a88a35068e27b9b73520bb6a4458771e3b5d1eab38f8c
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exeSynaptics.exepid process 1968 ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe 1756 Synaptics.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe vmprotect C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe vmprotect C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe vmprotect behavioral1/memory/1968-73-0x00000000013C0000-0x0000000001A35000-memory.dmp vmprotect -
Loads dropped DLL 3 IoCs
Processes:
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exepid process 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SS CRACK RETRIX = "C:\\ProgramData\\Synaptics\\Synaptics.exe" c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
Synaptics.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Synaptics.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 Synaptics.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 Synaptics.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exepid process 1968 ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exedescription pid process target process PID 788 wrote to memory of 1968 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe PID 788 wrote to memory of 1968 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe PID 788 wrote to memory of 1968 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe PID 788 wrote to memory of 1968 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe ._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe PID 788 wrote to memory of 1756 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe Synaptics.exe PID 788 wrote to memory of 1756 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe Synaptics.exe PID 788 wrote to memory of 1756 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe Synaptics.exe PID 788 wrote to memory of 1756 788 c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe Synaptics.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe"C:\Users\Admin\AppData\Local\Temp\c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe"C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Modifies system certificate store
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\Synaptics\Synaptics.exeMD5
f65d4cf706c2add18897c640b67c8b84
SHA1dd63c38d5fd4a2d466a36dc35e8c082237de24f8
SHA256f1a5a873cc3987b2a2a756aec8bacfb6d2c922892ce07a0ffb820a332fe82655
SHA512b0e5c1a9d5dd2aff80485b2b237e6350fbd14d67323fd6a85fbc221e45a2bc0b48a2d46bb371d5498f9246943c8015bacce15d20c4c453bb772690534babf2e6
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C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exeMD5
8912cf5f728c02cff8eea330e5e76afc
SHA1e6e8ff5eca40b3e719c790ba5b813693ac372b0f
SHA256b9654bf6cd45bbd8e6f80ab62c381a1cf14a895c499f3e71d361edae7d0cb3a9
SHA5120ea697b0def5ee99cda6a20bb1b10af25ab530f4b088671005bf0b547a9d7a77d49c81cda7fa29c46d2a1c067a7b090848aba0700b4b9c1ad673615151f541a5
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C:\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exeMD5
8912cf5f728c02cff8eea330e5e76afc
SHA1e6e8ff5eca40b3e719c790ba5b813693ac372b0f
SHA256b9654bf6cd45bbd8e6f80ab62c381a1cf14a895c499f3e71d361edae7d0cb3a9
SHA5120ea697b0def5ee99cda6a20bb1b10af25ab530f4b088671005bf0b547a9d7a77d49c81cda7fa29c46d2a1c067a7b090848aba0700b4b9c1ad673615151f541a5
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\ProgramData\Synaptics\Synaptics.exeMD5
f65d4cf706c2add18897c640b67c8b84
SHA1dd63c38d5fd4a2d466a36dc35e8c082237de24f8
SHA256f1a5a873cc3987b2a2a756aec8bacfb6d2c922892ce07a0ffb820a332fe82655
SHA512b0e5c1a9d5dd2aff80485b2b237e6350fbd14d67323fd6a85fbc221e45a2bc0b48a2d46bb371d5498f9246943c8015bacce15d20c4c453bb772690534babf2e6
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\ProgramData\Synaptics\Synaptics.exeMD5
f65d4cf706c2add18897c640b67c8b84
SHA1dd63c38d5fd4a2d466a36dc35e8c082237de24f8
SHA256f1a5a873cc3987b2a2a756aec8bacfb6d2c922892ce07a0ffb820a332fe82655
SHA512b0e5c1a9d5dd2aff80485b2b237e6350fbd14d67323fd6a85fbc221e45a2bc0b48a2d46bb371d5498f9246943c8015bacce15d20c4c453bb772690534babf2e6
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\Users\Admin\AppData\Local\Temp\._cache_c5373389b0bd0226c0d3cfbc783a535577cc87833051ad122444d96593472169.exeMD5
8912cf5f728c02cff8eea330e5e76afc
SHA1e6e8ff5eca40b3e719c790ba5b813693ac372b0f
SHA256b9654bf6cd45bbd8e6f80ab62c381a1cf14a895c499f3e71d361edae7d0cb3a9
SHA5120ea697b0def5ee99cda6a20bb1b10af25ab530f4b088671005bf0b547a9d7a77d49c81cda7fa29c46d2a1c067a7b090848aba0700b4b9c1ad673615151f541a5
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memory/788-60-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/788-61-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/1756-68-0x0000000000000000-mapping.dmp
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memory/1756-71-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/1968-63-0x0000000000000000-mapping.dmp
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memory/1968-72-0x0000000000140000-0x0000000000141000-memory.dmpFilesize
4KB
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memory/1968-73-0x00000000013C0000-0x0000000001A35000-memory.dmpFilesize
6.5MB