cca8524bfc6f9e7d48bebcb99415b9740ecbbc55dc05ba9603421f6473b38b56

General

Target

d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe
Size

890KB
MD5

561cffbaba71a6e8cc1cdceda990ead4
SHA1

5162f14d75e96edb914d1756349d6e11583db0b0
SHA256

d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e
SHA512

09149b9825db2c9e6d2ec6665abc64b0b7aaafaa47c921c5bf0062cd7bedd1fc64cf54646a098f45fc4b930f5fbecee586fe839950c9135f64ea722b00baa50e

Score

10^/10

evasion ransomware

Malware Config

Extracted

Path

C:\e8b5z40wh-readme.txt

Ransom Note

---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension e8b5z40wh. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/44377FAAB0C52E89 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/44377FAAB0C52E89 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: sZBfbf70flF5oX6WOZ2QWcxPWDzR+U/1fInnpuBrGpZXWts0YkHYiky7JA3PSPwm pU6eJM8HKxuQXF48ukwhnyCCO28AYRcJjurzklCeGcCSwZtvPDemn5v0GAB6JzJ2 QvJQhlH8HAI4nH1v0X6FHhFNbSdIzUSd2t2h4bkrMMsQn7r33qs+u6PU9F8O4Pd7 mX4lWX9xHTmJo3UEPx5adwxdByRqxfaRBAvZ04bhxpAJLn6/s5Z1W4Bd+dB7OUgY e/1cwE2zQEF6scgH6wGie4TRkZP9Gzfn5gsGEnojDkyS5czMlf7E8KamHSVzv34r PL7Se+ECl29EH6ZGLrQBNsd2BsU+obMhoRYjVm9eyMmM16wVf86ENnaVEjOkL5m5 tMYHZ5UmX9/p5aDmiinMY/JqTUFdKnZjxvuzSYyB5cjbftIr8bnpp32hUkpMAmTK e50JcnHCvyY5PvQ46gCnmMMLHNkpUVtS14SXvEMw/ZH479WfcxGriDOa6a8Lro3w gVRnZhhT09VZ+CxYoXGQm9n7I4Iby/KQNAosWHvBNmqCG385SYtuvIuh9o+FY+f6 i3XtmUOuMAz4CA+QGceQLmRz6ieTZ3xfc4Ebvg158GVSw5PadkRjBisX//QhPjPn 7vzSu5zzOK/WR3i80PB48DqJ12h/scw6F74MRS/S3LespySU5oY4dFsafTznxkI1 GUpzkVARIjLc3fdpVzoybiGG5oaU1hRUrDbefMu0PHmcnwyiA1+RHl/RBGOt0Jzv Diti96qe1JuKVbenAgUQL7kVT3uHJVPrle/vst5+pgD6a9BrUa5KUIv/hgOfdRQ7 yZZogNA+KZVXPEZiRpr4X4/YXCeacp1Zq06wYzdulH7tOJQapMXL+/LJU8TDeZcF lOT4WntZ35M+0vIhpldShBwQU+CXuwiIV0YG/iv1oi0x0UqixuOoBPHTPI+rRrUn Js8aBHLJUI61OHF0HE7TtD1EF4sjko8NjBe3IW7cH25valJ8gttAlggdpDF+6Chr HAD+nthUGUmfJ5tDGA5BepxFxdfN4tozBlNrG/mmGfgwO85ubDoiYa152RLLz9FX aQ9jKiJM1uvh7Hh/JfXI18c/dKE7Ox+Aksx+OdRkY62G4GhhWntkv1oSLcFJ+TUk xTECj7/f8z9nvmd9bEf0honJmAQVKmIFXh4sOMUV8CwNwFVnAgQNuT5viVukhJIC RKpM/3CjXC3aXdlWSbRnYt2kFTgWuyUkToSS34fAKfjhjj4ENl5qaS+IaheMPK45 WxsAwexhhxEKmqmP ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!

URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/44377FAAB0C52E89

http://decoder.re/44377FAAB0C52E89

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3184	MsMpEng.exe

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Modifies extensions of user files 14 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\InitializeDismount.raw => \??\c:\users\admin\pictures\InitializeDismount.raw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\MoveSubmit.crw => \??\c:\users\admin\pictures\MoveSubmit.crw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\TestSend.crw => \??\c:\users\admin\pictures\TestSend.crw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\ConvertFromMove.tif => \??\c:\users\admin\pictures\ConvertFromMove.tif.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\JoinInvoke.crw => \??\c:\users\admin\pictures\JoinInvoke.crw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\ProtectCheckpoint.tif => \??\c:\users\admin\pictures\ProtectCheckpoint.tif.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\CopyApprove.tif => \??\c:\users\admin\pictures\CopyApprove.tif.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\EditDebug.crw => \??\c:\users\admin\pictures\EditDebug.crw.e8b5z40wh	MsMpEng.exe
File opened for modification	\??\c:\users\admin\pictures\OptimizeResume.tiff	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\OptimizeResume.tiff => \??\c:\users\admin\pictures\OptimizeResume.tiff.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\ResolveReceive.tif => \??\c:\users\admin\pictures\ResolveReceive.tif.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\CompareDeny.crw => \??\c:\users\admin\pictures\CompareDeny.crw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\EnableStep.crw => \??\c:\users\admin\pictures\EnableStep.crw.e8b5z40wh	MsMpEng.exe
File renamed	C:\Users\Admin\Pictures\ApproveGet.tif => \??\c:\users\admin\pictures\ApproveGet.tif.e8b5z40wh	MsMpEng.exe

Enumerates connected drives 3 TTPs 25 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\M:	MsMpEng.exe
File opened (read-only)	\??\R:	MsMpEng.exe
File opened (read-only)	\??\T:	MsMpEng.exe
File opened (read-only)	\??\A:	MsMpEng.exe
File opened (read-only)	\??\H:	MsMpEng.exe
File opened (read-only)	\??\N:	MsMpEng.exe
File opened (read-only)	\??\Q:	MsMpEng.exe
File opened (read-only)	\??\X:	MsMpEng.exe
File opened (read-only)	\??\Z:	MsMpEng.exe
File opened (read-only)	\??\D:	MsMpEng.exe
File opened (read-only)	\??\G:	MsMpEng.exe
File opened (read-only)	\??\I:	MsMpEng.exe
File opened (read-only)	\??\K:	MsMpEng.exe
File opened (read-only)	\??\P:	MsMpEng.exe
File opened (read-only)	\??\S:	MsMpEng.exe
File opened (read-only)	\??\B:	MsMpEng.exe
File opened (read-only)	\??\F:	MsMpEng.exe
File opened (read-only)	\??\J:	MsMpEng.exe
File opened (read-only)	\??\L:	MsMpEng.exe
File opened (read-only)	\??\O:	MsMpEng.exe
File opened (read-only)	\??\U:	MsMpEng.exe
File opened (read-only)	\??\V:	MsMpEng.exe
File opened (read-only)	\??\W:	MsMpEng.exe
File opened (read-only)	\??\E:	MsMpEng.exe
File opened (read-only)	\??\Y:	MsMpEng.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\inm05zpxy.bmp"	MsMpEng.exe

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File created	\??\c:\program files\tmp	MsMpEng.exe
File opened for modification	\??\c:\program files\PingComplete.rle	MsMpEng.exe
File opened for modification	\??\c:\program files\ReceiveSplit.vsdx	MsMpEng.exe
File opened for modification	\??\c:\program files\TestAdd.xht	MsMpEng.exe
File created	\??\c:\program files (x86)\e8b5z40wh-readme.txt	MsMpEng.exe
File opened for modification	\??\c:\program files\DismountUnpublish.tmp	MsMpEng.exe
File opened for modification	\??\c:\program files\NewLimit.ttc	MsMpEng.exe
File opened for modification	\??\c:\program files\ResetWait.rle	MsMpEng.exe
File opened for modification	\??\c:\program files\SetSuspend.odt	MsMpEng.exe
File opened for modification	\??\c:\program files\TestAdd.otf	MsMpEng.exe
File created	\??\c:\program files\e8b5z40wh-readme.txt	MsMpEng.exe
File opened for modification	\??\c:\program files\CloseTest.ttc	MsMpEng.exe
File opened for modification	\??\c:\program files\ConvertRegister.xhtml	MsMpEng.exe
File opened for modification	\??\c:\program files\UnblockExport.ttf	MsMpEng.exe
File created	\??\c:\program files (x86)\tmp	MsMpEng.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\mpsvc.dll	d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe
File created	C:\Windows\MsMpEng.exe	d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe
3184	MsMpEng.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	MsMpEng.exe
Token: SeTakeOwnershipPrivilege	3184	MsMpEng.exe
Token: SeBackupPrivilege	2404	vssvc.exe
Token: SeRestorePrivilege	2404	vssvc.exe
Token: SeAuditPrivilege	2404	vssvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 3184	3956	d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe	72
PID 3956 wrote to memory of 3184	3956	d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe	72
PID 3956 wrote to memory of 3184	3956	d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe	72
PID 3184 wrote to memory of 1404	3184	MsMpEng.exe	79
PID 3184 wrote to memory of 1404	3184	MsMpEng.exe	79
PID 3184 wrote to memory of 1404	3184	MsMpEng.exe	79

C:\Users\Admin\AppData\Local\Temp\d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe
"C:\Users\Admin\AppData\Local\Temp\d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\MsMpEng.exe
  "C:\Windows\MsMpEng.exe"
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  - Enumerates connected drives
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\netsh.exe
    netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
    3⤵
    PID:1404