Analysis
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max time kernel
150s -
max time network
8s -
platform
windows7_x64 -
resource
win7 -
submitted
24-09-2020 12:05
General
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Target
1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0.ps1
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Size
902KB
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MD5
49b3ed4c73d8d5a6613b725d40172590
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SHA1
07e30496992d7087674cf5542c78856f66ff7737
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SHA256
1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0
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SHA512
026c0a58a56747cbb9efab721382924d6da48c65483325ec868c9c894ff601a0461fa3674f4fa01c570635521cc6e7e8c96efe8765fcf68aa7eb713df988e2a3
Score
10/10
Malware Config
Extracted
Path
C:\Program Files (x86)\MSBuild\A1A2A8-Readme.txt
Family
mailto_hamlampampom
Ransom Note
Hi!
Your files are encrypted.
All encrypted files for this computer has extension: .a1a2a8
--
If for some reason you read this text before the encryption ended,
this can be understood by the fact that the computer slows down,
and your heart rate has increased due to the ability to turn it off,
then we recommend that you move away from the computer and accept that you have been compromised.
Rebooting/shutdown will cause you to lose files without the possibility of recovery.
--
Our encryption algorithms are very strong and your files are very well protected,
the only way to get your files back is to cooperate with us and get the decrypter program.
Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover.
For us this is just business and to prove to you our seriousness, we will decrypt you one file for free.
Just open our website, upload the encrypted file and get the decrypted file for free.
Additionally, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself
to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits,
not to mention the company reputation and losing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how
fast we both can find an agreement without getting this incident public.
--
Steps to get access on our website:
1.Download and install tor-browser: https://torproject.org/
2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion
If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion
3.Put your personal code in the input form:
{code_a1a2a8:
YefiW/1AWmnRYhBWI+ArtLBNucaogQRdgOpUkyJp01dfvA2hCh
XMvWDMV4WM2pUjd10ElycyBrCsUhOOcshKncYhl7+uAUtkCB+0
ZwSooqHzJO2WYQD5nq0c06GH9xP8FavX2sFcIGb/3uTCIv7PEo
vq4hp48sHbc3rcQc+fmrsqJp2N5P85Z8089vIH8EmmZANyV4/q
U7e3tcQ59Wiaty9FJOx2rl+2CjxBBeoYan86CMNZ02KMx+lUjd
t17vOeggzrgzWSqrboXN5SUNT8fMkSoXlp/00auQ==}
Signatures
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MailTo (Hamlampampom Variant)
Ransomware family discovered in late 2019 with variants named based on contact emails.
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Modifies extensions of user files 6 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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Modifies service 2 TTPs 5 IoCs
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Drops file in Program Files directory 7479 IoCs
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Suspicious behavior: EnumeratesProcesses 13213 IoCs
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Suspicious use of AdjustPrivilegeToken 8 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of SendNotifyMessage 6 IoCs
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Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies extensions of user files
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1899ff66b76a3f6302fea0afbc26c8452949345d2ea6d987b683c6a0037f22d0.ps12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qkvxllg3\qkvxllg3.cmdline"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1E3A.tmp" "c:\Users\Admin\AppData\Local\Temp\qkvxllg3\CSCAC9EC238BB7341FAA995ECCB5336D3F6.TMP"4⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\tngsexgo\tngsexgo.cmdline"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2359.tmp" "c:\Users\Admin\AppData\Local\Temp\tngsexgo\CSCEC4962E64C844E519092E5D9E0DC8147.TMP"4⤵
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C:\Windows\system32\notepad.exeC:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\A1A2A8-Readme.txt"2⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
136KB
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Filesize
8KB
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Filesize
136KB
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Filesize
136KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
136KB
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Filesize
4KB
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Filesize
9.9MB
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Filesize
8KB
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Filesize
136KB
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Filesize
136KB
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Filesize
136KB
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Filesize
136KB
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