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Analysis
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max time kernel
163s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe
Resource
win10v2004-20221111-en
General
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Target
d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe
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Size
146KB
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MD5
a752ace9308f6f7b20c72cfd96f21358
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SHA1
847a15885f15d981ab9a8c29aa3f8e73418b2282
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SHA256
d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f
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SHA512
b8806cb36780b39d7806eb40bb8914f8070bbf49f9cb302c34fd6bd6a15aebadd84da7065dbfb17536d6c760962e195db3f40d781606940129d0dc55129d75c9
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SSDEEP
3072:XmZtLUK5BRyxxfJSihe7Mer29AkHCzkP0lB:XmZtn5OXfLG8A
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3856 ExpressVids.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 644 3856 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4548 wrote to memory of 3856 4548 d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe 84 PID 4548 wrote to memory of 3856 4548 d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe 84 PID 4548 wrote to memory of 3856 4548 d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe"C:\Users\Admin\AppData\Local\Temp\d7c3c6eeac20962183eafd8795cfdf4c2a1fb02143b4ca4b8570e03736ebb21f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Users\Admin\AppData\Local\Temp\ExpressVids.exeC:\Users\Admin\AppData\Local\Temp\ExpressVids.exe2⤵
- Executes dropped EXE
PID:3856 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 4123⤵
- Program crash
PID:644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3856 -ip 38561⤵PID:1520
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
85KB
MD5c13ff33c89e93539e868d7dcb2e2c1f6
SHA1fe66ded2856ab4ffe233fddd8c835eb6ef3755f7
SHA256c12303594943d73f1c0e02ab6ef34e65a158ffc26b0db23d7664cd541180ef1c
SHA51215fcff9d68ad47dd2236f0a75fcc4fed1270fe76bc81eaf64298e415c154f7c4eb470361f24edc268ece3d5eeb8dc67c278485265aab50e87d2e253f0871ce63
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Filesize
85KB
MD5c13ff33c89e93539e868d7dcb2e2c1f6
SHA1fe66ded2856ab4ffe233fddd8c835eb6ef3755f7
SHA256c12303594943d73f1c0e02ab6ef34e65a158ffc26b0db23d7664cd541180ef1c
SHA51215fcff9d68ad47dd2236f0a75fcc4fed1270fe76bc81eaf64298e415c154f7c4eb470361f24edc268ece3d5eeb8dc67c278485265aab50e87d2e253f0871ce63