Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
26-05-2024 00:24
General
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Target
2024-05-26_473bb234d2c4d704a4ade547eb0d4b86_destroyer_wannacry.exe
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Size
22KB
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MD5
473bb234d2c4d704a4ade547eb0d4b86
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SHA1
92e86e3295d902e5db0e0f34876cc67c8f6f23a7
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SHA256
d573d63d8a5a350f94565a56229f544dad6b1ad2aa63fd724d09e51f093a5324
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SHA512
76bd0d9c7cebc238cfda7f193648e480ef10d311208699fd3fba94b0a89bfe81f4b061454dc80e402ef6b2def6385fc00132503b0444d3353c14e1df3051cd43
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SSDEEP
384:fn3Mg/bqo2dWNx9pmdbJcJ9r91Canxe41dDen:5qo2+fpaJ09r9Jnxe415en
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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Renames multiple (71) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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 52 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\2024-05-26_473bb234d2c4d704a4ade547eb0d4b86_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_473bb234d2c4d704a4ade547eb0d4b86_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\Unlock_FIles.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
22KB
MD5473bb234d2c4d704a4ade547eb0d4b86
SHA192e86e3295d902e5db0e0f34876cc67c8f6f23a7
SHA256d573d63d8a5a350f94565a56229f544dad6b1ad2aa63fd724d09e51f093a5324
SHA51276bd0d9c7cebc238cfda7f193648e480ef10d311208699fd3fba94b0a89bfe81f4b061454dc80e402ef6b2def6385fc00132503b0444d3353c14e1df3051cd43
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Filesize
314B
MD5346bf23d55d0633adde387c99f3bc6b4
SHA14e2f231b945831fdc19d97397a3949e1c1ceb06b
SHA256b3f65aae52119cfbbbb919959b4f0923d36e1b4f81de4f5840e183afc9dd5263
SHA5120247d480ef9052f04a3cecb7020d2085270ffa4383a61fd7670b6eb07470bc21f282ba470ad1edd4ce150401f8b3ffe7d21dedac30a2427fa0378dcb96733ef4
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Filesize
48KB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB