Analysis
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max time kernel
144s -
max time network
142s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-05-2021 21:45
Static task
static1
Behavioral task
behavioral1
Sample
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
Resource
win10v20210410
General
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Target
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe
-
Size
3.6MB
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MD5
ddffc0ffb6384d1bc0e525f271e95ef2
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SHA1
7333019cc54f32638eb35ff2f29a3b1b075761d6
-
SHA256
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce
-
SHA512
601ffb96a2c99c2d0703f0f8cfb8c0c0d72d93378af9d043c3cb6328c4292d7e621cafd174fd833d650ca4ce964d5d185dd262d5223da33c136657197468b357
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
Processes:
._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exeSynaptics.exe._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmppid process 2736 ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe 3552 Synaptics.exe 200 ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\OYv6qPEl.xlsm office_macros -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\International\Geo\Nation 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SS CRACK RETRIX = "C:\\ProgramData\\Synaptics\\Synaptics.exe" 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies registry class 1 IoCs
Processes:
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe -
Processes:
Synaptics.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 Synaptics.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 Synaptics.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3956 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE 3956 EXCEL.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exedescription pid process target process PID 2016 wrote to memory of 2736 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe PID 2016 wrote to memory of 2736 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe PID 2016 wrote to memory of 2736 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe PID 2016 wrote to memory of 3552 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe Synaptics.exe PID 2016 wrote to memory of 3552 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe Synaptics.exe PID 2016 wrote to memory of 3552 2016 78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe Synaptics.exe PID 2736 wrote to memory of 200 2736 ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp PID 2736 wrote to memory of 200 2736 ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp PID 2736 wrote to memory of 200 2736 ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe ._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"C:\Users\Admin\AppData\Local\Temp\78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-IA9JI.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp"C:\Users\Admin\AppData\Local\Temp\is-IA9JI.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmp" /SL5="$5007A,2661206,119296,C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exe"3⤵
- Executes dropped EXE
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Modifies system certificate store
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\Synaptics\Synaptics.exeMD5
c3aec3f23ce3a6e47628cd679b93ceb9
SHA12190da45edd6c34a4353fa335eef706ac3ee22ec
SHA256209c38a78e4e6b6a221dbab7825babd85b2cbb8d7da691daa7454ccf379582e9
SHA5125eb5a302affc065720a229da2e6b3d4437c6c4e572029e3d5e668466da622acf28c18284a4f85d5fe8ca977981e2215fdc692873006a3b3d9b896bcf57b1f773
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C:\ProgramData\Synaptics\Synaptics.exeMD5
c3aec3f23ce3a6e47628cd679b93ceb9
SHA12190da45edd6c34a4353fa335eef706ac3ee22ec
SHA256209c38a78e4e6b6a221dbab7825babd85b2cbb8d7da691daa7454ccf379582e9
SHA5125eb5a302affc065720a229da2e6b3d4437c6c4e572029e3d5e668466da622acf28c18284a4f85d5fe8ca977981e2215fdc692873006a3b3d9b896bcf57b1f773
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C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exeMD5
1e1954455cab513433e19211ed8bf8fe
SHA1b9a151325ca4383a58ccd284ae4b2312d1987c65
SHA256d0427375e8466abbb4e2d0e639a4bbe1416a19ecd361089b097f1ca0aea0dc40
SHA512051e0f065727bf757f5737eb7375daeb16e6ef1d40f4259ab957e976e1e4e1329c82bf74ea5c284b752dad4b9c6e5bd2c998225a9363cf051ce1e7fc6d04bcbf
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C:\Users\Admin\AppData\Local\Temp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.exeMD5
1e1954455cab513433e19211ed8bf8fe
SHA1b9a151325ca4383a58ccd284ae4b2312d1987c65
SHA256d0427375e8466abbb4e2d0e639a4bbe1416a19ecd361089b097f1ca0aea0dc40
SHA512051e0f065727bf757f5737eb7375daeb16e6ef1d40f4259ab957e976e1e4e1329c82bf74ea5c284b752dad4b9c6e5bd2c998225a9363cf051ce1e7fc6d04bcbf
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C:\Users\Admin\AppData\Local\Temp\OYv6qPEl.xlsmMD5
e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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C:\Users\Admin\AppData\Local\Temp\is-IA9JI.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmpMD5
4c6301b2d74e7e6b79124b1dadb04d4d
SHA1243c70374b8e2c0cf5bf14abea1660f088675136
SHA256b7370f24534b95f0da714b284efbc44ae6cfa09db74fe13352db8936716c960c
SHA512ff4cb9ae3a64155dadb10cef83b23dea3e8ad9166fae06ba50474f1221beb1c08ba3f1bd123da0a18047bf8afc124fdd29470dced465ce970677a8b5521cd2e6
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C:\Users\Admin\AppData\Local\Temp\is-IA9JI.tmp\._cache_78bd47fa45a431af5c95012028611e0c57dd03ca88a1633b0b9b1182edefdbce.tmpMD5
4c6301b2d74e7e6b79124b1dadb04d4d
SHA1243c70374b8e2c0cf5bf14abea1660f088675136
SHA256b7370f24534b95f0da714b284efbc44ae6cfa09db74fe13352db8936716c960c
SHA512ff4cb9ae3a64155dadb10cef83b23dea3e8ad9166fae06ba50474f1221beb1c08ba3f1bd123da0a18047bf8afc124fdd29470dced465ce970677a8b5521cd2e6
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memory/200-131-0x0000000000000000-mapping.dmp
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memory/200-136-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/2016-114-0x00000000008E0000-0x0000000000A2A000-memory.dmpFilesize
1.3MB
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memory/2736-135-0x0000000002BF0000-0x0000000002E45000-memory.dmpFilesize
2.3MB
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memory/2736-124-0x0000000002610000-0x0000000002875000-memory.dmpFilesize
2.4MB
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memory/2736-127-0x0000000002880000-0x0000000002AE7000-memory.dmpFilesize
2.4MB
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memory/2736-118-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/2736-134-0x0000000002880000-0x0000000002AE7000-memory.dmpFilesize
2.4MB
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memory/2736-123-0x00000000023A0000-0x0000000002608000-memory.dmpFilesize
2.4MB
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memory/2736-115-0x0000000000000000-mapping.dmp
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memory/3552-119-0x0000000000000000-mapping.dmp
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memory/3552-126-0x00000000004D0000-0x000000000061A000-memory.dmpFilesize
1.3MB
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memory/3956-137-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmpFilesize
64KB
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memory/3956-138-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmpFilesize
64KB
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memory/3956-140-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmpFilesize
64KB
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memory/3956-139-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmpFilesize
64KB
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memory/3956-144-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmpFilesize
64KB
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memory/3956-143-0x00007FFDEAA90000-0x00007FFDEBB7E000-memory.dmpFilesize
16.9MB
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memory/3956-145-0x0000018287750000-0x0000018289645000-memory.dmpFilesize
31.0MB
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memory/3956-125-0x00007FF68FCF0000-0x00007FF6932A6000-memory.dmpFilesize
53.7MB