Overview
overview
7Static
static
1b99c0f2d-d...1f.eml
windows7-x64
6b99c0f2d-d...1f.eml
windows10-2004-x64
3Inv_02_02_#1.zip
windows7-x64
1Inv_02_02_#1.zip
windows10-2004-x64
1Inv_02_02_#1.one
windows7-x64
7Inv_02_02_#1.one
windows10-2004-x64
3email-html-1.html
windows7-x64
1email-html-1.html
windows10-2004-x64
1email-plain-2.txt
windows7-x64
1email-plain-2.txt
windows10-2004-x64
1Analysis
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max time kernel
111s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2023 09:09
Static task
static1
Behavioral task
behavioral1
Sample
b99c0f2d-dc69-50be-f5b1-86f069dc891f.eml
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b99c0f2d-dc69-50be-f5b1-86f069dc891f.eml
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
Inv_02_02_#1.zip
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
Inv_02_02_#1.zip
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
Inv_02_02_#1.one
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
Inv_02_02_#1.one
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
email-html-1.html
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
email-html-1.html
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
email-plain-2.txt
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
email-plain-2.txt
Resource
win10v2004-20220812-en
General
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Target
b99c0f2d-dc69-50be-f5b1-86f069dc891f.eml
-
Size
445KB
-
MD5
af124e76dfc913806799b634ec1889ea
-
SHA1
486fd7e9458d8358eefbfaa8ad6379282a3db4ae
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SHA256
c47520a072a43d5442ba8df9d1409837e63a037ca955b2aa9759780c9e49a6e8
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SHA512
47457ee513482e59fd5fa840eb364f18a147d157d596f4c2e8b6000802630d23b8755e28a83a14c9ed59b1a4d988f44e52adaae7ce0fb175a74f23939fcc9a09
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SSDEEP
6144:b1T7XW8y3i081riRJ+RnTBaSiIYBQ5N0uDQBg:b1T4lK1DD+g
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings cmd.exe -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\b99c0f2d-dc69-50be-f5b1-86f069dc891f.eml:OECustomProperty cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4188 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\b99c0f2d-dc69-50be-f5b1-86f069dc891f.eml1⤵
- Modifies registry class
- NTFS ADS
PID:3464
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4188