General
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Target
Ransomware.Petrwrap (1).zip
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Size
1.1MB
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Sample
241124-zgal3aylgw
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MD5
6884a35803f2e795fa4b121f636332b4
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SHA1
527bfbf4436f9cce804152200c4808365e6ba8f9
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SHA256
cf01329c0463865422caa595de325e5fe3f7fba44aabebaae11a6adfeb78b91c
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SHA512
262732a9203e2f3593d45a9b26a1a03cc185a20cf28fad3505e257b960664983d2e4f2b19b9ff743015310bf593810bd049eb03d0fd8912a6d54de739742de60
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SSDEEP
24576:XtZfUANeQHLqNZ2rl5zkFGPI/9+4C/BGq/Om00pN5m:XtZc+trnHkxVqQqm
Static task
static1
Behavioral task
behavioral1
Sample
027cc450ef5f8c5f653329641ec1fed9.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745_98STJd8lju.dll
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral3
Sample
ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6.js
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral4
Sample
fe2e5d0543b4c8769e401ec216d78a5a3547dfd426fd47e097df04a5f7d6d206_OFkNP1kKL9.rtf
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral5
Sample
myguy.hta
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral6
Sample
svchost.exe
Resource
win10ltsc2021-20241023-en
Malware Config
Extracted
http://french-cooking.com/myguy.exe
Targets
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Target
027cc450ef5f8c5f653329641ec1fed9.exe
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Size
353KB
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MD5
71b6a493388e7d0b40c83ce903bc6b04
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SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d
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SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
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SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f
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SSDEEP
6144:y/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs2:y/X4NTS/x9jNG+w+9OqFoK323qdQYKUG
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Mimikatz family
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mimikatz is an open source tool to dump credentials on Windows
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Deletes itself
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Executes dropped EXE
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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-
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Target
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745_98STJd8lju.bin
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Size
353KB
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MD5
71b6a493388e7d0b40c83ce903bc6b04
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SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d
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SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
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SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f
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SSDEEP
6144:y/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs2:y/X4NTS/x9jNG+w+9OqFoK323qdQYKUG
-
Mimikatz family
-
mimikatz is an open source tool to dump credentials on Windows
-
Deletes itself
-
Executes dropped EXE
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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-
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Target
ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6.bin
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Size
13KB
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MD5
0487382a4daf8eb9660f1c67e30f8b25
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SHA1
736752744122a0b5ee4b95ddad634dd225dc0f73
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SHA256
ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
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SHA512
e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
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SSDEEP
192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb
Score3/10 -
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Target
fe2e5d0543b4c8769e401ec216d78a5a3547dfd426fd47e097df04a5f7d6d206_OFkNP1kKL9.bin
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Size
6KB
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MD5
415fe69bf32634ca98fa07633f4118e1
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SHA1
101cc1cb56c407d5b9149f2c3b8523350d23ba84
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SHA256
fe2e5d0543b4c8769e401ec216d78a5a3547dfd426fd47e097df04a5f7d6d206
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SHA512
e40ad6adcbdfc47ebf0745aed10a5c6c64d5759a0164dbd7ffb64439deffe710c26a8fd91e8d205f3b2f0c417d70d4e82d5f91874bc6f8bbc9ff123b72c2e692
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SSDEEP
48:3aT4qf+8xWmXLEEPjH3UNTaOOHG0WomFS/bOhkWTl:3w/xWjFazGMrzQ
Score1/10 -
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Target
myguy.hta
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Size
13KB
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MD5
0487382a4daf8eb9660f1c67e30f8b25
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SHA1
736752744122a0b5ee4b95ddad634dd225dc0f73
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SHA256
ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
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SHA512
e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
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SSDEEP
192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb
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Blocklisted process makes network request
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Target
svchost.exe
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Size
704KB
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MD5
d2ec63b63e88ece47fbaab1ca22da1ef
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SHA1
dd52fcc042a44a2af9e43c15a8e520b54128cdc8
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SHA256
e5c643f1d8ecc0fd739d0bbe4a1c6c7de2601d86ab0fff74fd89c40908654be5
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SHA512
89d9e63d5f3b34be3d25317933031815a42c039fbee30ce8c86f8b1b7c6ca9ccfc8731da99b9246381a2c05a95ada423f4944ff72111eb0451a44e9dcb3e053e
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SSDEEP
12288:rue4X2Uz0DsetgxLdsCHvX8XYJWs6XS1bFLDw1P86jZpMV7uikFg:v+2UzSgxLdsCHmQb6XSbFLDs06jZulus
Score7/10-
Drops startup file
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Drops desktop.ini file(s)
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2JavaScript
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1