dharma

General

Target

aaa.rar
Size

2.0MB
Sample

240804-vqw47szgrr
MD5

217f95edf64bc618ce6c9addd9c8c83d
SHA1

a5ac6b6ac3ac127b6425719b2c8a3ee97e82b47d
SHA256

1f95978ab90b87aa82d1539be7a0d6b5c09df286273ba336dc7503f786e8a713
SHA512

7a62ad67e625723b7c160cff9e32cbdf6e409dedaa3af188775e7a21171c343f7ed1971c8389ea856e9992fa8ffd3e5dbe93834381e477bc02cb0f7701d668bd
SSDEEP

49152:B3ERdk6QaF5SGLNdduPy2U9kusPkLh8UWTdJCqWV20D5LUbeE:BAT5S65Ok8LdJCqC5L1E

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note

All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 7D4837C7 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Emails

[email protected]

Extracted

Family

metasploit

Version

windows/single_exec

Targets

- Target
  
  aaa/CoronaVirus.exe
- Size
  
  1.0MB
- MD5
  
  055d1462f66a350d9886542d4d79bc2b
- SHA1
  
  f1086d2f667d807dbb1aa362a7a809ea119f2565
- SHA256
  
  dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
- SHA512
  
  2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1
- SSDEEP
  
  24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2
Score

10^/10

dharma credential_access defense_evasion discovery execution impact persistence ransomware spyware stealer
- Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Credentials from Password Stores: Credentials from Web Browsers
  Malicious Access or copy of Web Browser Credential store.
  credential_access stealer
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (287) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1
- Target
  
  aaa/GoldenEye.exe
- Size
  
  254KB
- MD5
  
  e3b7d39be5e821b59636d0fe7c2944cc
- SHA1
  
  00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88
- SHA256
  
  389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97
- SHA512
  
  8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5
- SSDEEP
  
  3072:iTAjnioLO7WpLyLNZMcPSK7BaZ0NwAWMGc0HfmY4KsyyOiy12KJ3I4YgTl:i6nrD0ZMcPBAL7c0fTHs+2sYXg
Score

10^/10

metasploit backdoor bootkit discovery persistence trojan
- MetaSploit
  Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
  trojan backdoor metasploit
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral2
- Target
  
  aaa/MEMZ.exe
- Size
  
  16KB
- MD5
  
  1d5ad9c8d3fee874d0feb8bfac220a11
- SHA1
  
  ca6d3f7e6c784155f664a9179ca64e4034df9595
- SHA256
  
  3872c12d31fc9825e8661ac01ecee2572460677afbc7093f920a8436a42e28ff
- SHA512
  
  c8246f4137416be33b6d1ac89f2428b7c44d9376ac8489a9fbf65ef128a6c53fb50479e1e400c8e201c8611992ab1d6c1bd3d6cece89013edb4d35cdd22305b1
- SSDEEP
  
  192:M2WgyvSW8gRc6olcIEiwqZKBkDFR43xWTM3LHf26gFrcx3sNq:JWgnSmFlcIqq3agmLH+6gF23sN
Score

6^/10

bootkit discovery persistence
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral3
- Target
  
  aaa/WinlockerVB6Blacksod.exe
- Size
  
  2.4MB
- MD5
  
  dbfbf254cfb84d991ac3860105d66fc6
- SHA1
  
  893110d8c8451565caa591ddfccf92869f96c242
- SHA256
  
  68b0e1932f3b4439865be848c2d592d5174dbdbaab8f66104a0e5b28c928ee0c
- SHA512
  
  5e9ccdf52ebdb548c3fa22f22dd584e9a603ca1163a622db5707dbcc5d01e4835879dcfd28cb1589cbb25aed00f352f7a0a0962b1f38b68fc7d6693375e7666d
- SSDEEP
  
  49152:6kAG2QGTC5xvMdgpdb1KRHGepUu2cGbqPs9+q2HRPTnFVSLE:6kAjQGTCnvMmpYQqPNRPTnF4Y
Score

10^/10

discovery persistence
- Modifies WinLogon for persistence
  persistence
- Loads dropped DLL
- Blocklisted process makes network request
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral4