Analysis
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max time kernel
163s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 14:54
Static task
static1
Behavioral task
behavioral1
Sample
a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe
Resource
win10v2004-20220812-en
General
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Target
a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe
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Size
1.1MB
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MD5
0c709144dbb2e2494d4e7c1b527dc6a0
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SHA1
a83b99285f765d8a4b2bc4115cd55e9e5c8aa106
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SHA256
a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721
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SHA512
9336e6fe68126cfa83c7ce1b4507f28b5144588ecd2a659c0b29127d60f03dd849ffed9291e25298eca45daee8f392912e1c3e4855de5bb57c9192357cae2809
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SSDEEP
24576:uWvknOMEfR5qJ1z9Aovz4jQg/ifkpd4U6s+ghRcA5XOidMd2wWfi0+p:uUeOMmquovza/KXjQ35zdlw8T+p
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4844 Setup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS\Setup.exe = "1" Setup.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN Setup.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\Setup.exe = "0" Setup.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SECURITYBAND Setup.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SECURITYBAND\Setup.exe = "0" Setup.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS Setup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5100 wrote to memory of 4844 5100 a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe 82 PID 5100 wrote to memory of 4844 5100 a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe 82 PID 5100 wrote to memory of 4844 5100 a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe"C:\Users\Admin\AppData\Local\Temp\a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Users\Admin\AppData\Local\Temp\a2enBRUgpy\Q1ZARmQl\Setup.exeC:\Users\Admin\AppData\Local\Temp\a2enBRUgpy\Q1ZARmQl\Setup.exe --relaunch2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
PID:4844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD50c709144dbb2e2494d4e7c1b527dc6a0
SHA1a83b99285f765d8a4b2bc4115cd55e9e5c8aa106
SHA256a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721
SHA5129336e6fe68126cfa83c7ce1b4507f28b5144588ecd2a659c0b29127d60f03dd849ffed9291e25298eca45daee8f392912e1c3e4855de5bb57c9192357cae2809
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Filesize
1.1MB
MD50c709144dbb2e2494d4e7c1b527dc6a0
SHA1a83b99285f765d8a4b2bc4115cd55e9e5c8aa106
SHA256a66dfc1b90dfc91dd7b3b129f5e0f2d74caa5e8840b0501471add58a32242721
SHA5129336e6fe68126cfa83c7ce1b4507f28b5144588ecd2a659c0b29127d60f03dd849ffed9291e25298eca45daee8f392912e1c3e4855de5bb57c9192357cae2809