Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
05-06-2024 04:30
General
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Target
2024-06-05_4ff85cbdd46c103d0e396807f24e910a_destroyer_wannacry.exe
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Size
17KB
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MD5
4ff85cbdd46c103d0e396807f24e910a
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SHA1
9ec70e1ec2eeaaf7fa55986d6d57f62d2ae50765
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SHA256
bd02208a5415b76b35f8057702ffbf8820349d4a4139158681932f1957c73e06
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SHA512
11e1f1d3bd8166d798f95a16f14097baffdcc526bfa60c9207a0da63810327801f08ada6f65e7fcc711ef6973efddd0e3749b22477e2bd43ca7af070721c9aa8
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SSDEEP
192:m9M3MgSZWHWUHKnaV1dGOqnovuDm4PDpJZX9ld4njwcPRHgStes/91C1mDm9S3vb:m+3Mg/bqo2RLpLtlOj7Jtr91CEmIRe/
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
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Detects command variations typically used by ransomware 2 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 50 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-05_4ff85cbdd46c103d0e396807f24e910a_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_4ff85cbdd46c103d0e396807f24e910a_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31B
MD5bfa32079fea0deb78981666628772bb1
SHA11fdf7fc0b47cd971a912ea622cf42201c77e9f71
SHA256e9698ccd7406c3f414f1ef2ad8ed63b6f110410ac72be25a0a4b055f09175f31
SHA512bfe70383e9ac72c560b97e0283c79865b8eaf8f38d10e71fea396f7f7d0187de9d008273fbf00275c0b257e7177c316c65051c7403ce8378dccf96d5a8ec908d
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Filesize
17KB
MD54ff85cbdd46c103d0e396807f24e910a
SHA19ec70e1ec2eeaaf7fa55986d6d57f62d2ae50765
SHA256bd02208a5415b76b35f8057702ffbf8820349d4a4139158681932f1957c73e06
SHA51211e1f1d3bd8166d798f95a16f14097baffdcc526bfa60c9207a0da63810327801f08ada6f65e7fcc711ef6973efddd0e3749b22477e2bd43ca7af070721c9aa8
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Filesize
8KB
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Filesize
40KB
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Filesize
10.8MB
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Filesize
10.8MB