sodinokibi | d765650f9f566880df22f1dbabcd8da0dc81d6e10ffe3baee3166ac87ab12a91

General

Target

d04208e8499134779820f61c15d2ff37_JaffaCakes118.dll
Size

161KB
MD5

d04208e8499134779820f61c15d2ff37
SHA1

56770b21d974922a42c6dc80e433490d1aba8624
SHA256

d765650f9f566880df22f1dbabcd8da0dc81d6e10ffe3baee3166ac87ab12a91
SHA512

4443dce1f06c9ab3843f50546f4d192e6cceeb483ec8d468574e6d555dc560e4abd7405d058e4d6f21601876f63c8146f167e6d25bd3e1a2c46d75bb4e416d70
SSDEEP

3072:SrVv1LsjovMDkQjKiNLDIFjKbnSEYaQG8uVsR2q:SrRijAi2GIFGHYQ5yR

Score

10^/10

sodinokibi defense_evasion discovery execution impact ransomware

Malware Config

Extracted

Path

C:\Users\yhhyv-readme.txt

Family

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion yhhyv. 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 practise - 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/04AB4409CB516FB4 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://decryptor.top/04AB4409CB516FB4 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: hKJa6CjUgjXi9DGunwWJNpbT74AX0ZNm+08gIab/lbaGnTXv2qpTuLiHenCI64j2 73ZLujLkzSfgRhzxhy80eWB9ARvuoC5o+YRYckqnap9xz5nXtlMjmHY/Cldix1qv Fm3BpW+nFzLtIRth+ozIAUheFmQl7/NYSoQznq8NSWa3IMGsf17ZOfg+AldF33jr AFocGAYS5mHXLx9QqQLPzJfBE6Vwn5K7eQmSFeWLeAZB3zJ7/yetwhrIifBeaYMD 0AZyuQYVlhAGZF2e2JtiOQvU8qTLiBEKfHMFUojB96/QDD+yOWtmb434ExkbE+Fj jqenbyS0eRfRlO2LRLIWCCNGMY0rwgYzNaXP6atP0Tygn5P3BOW59i17YUzO27c7 6SrG+0tcaanlm8qpRtDONQ5x20oiTxxhVz9axuSIRKGHOne6Fv9ra7GfayR6t7rn R0etXQIZZlxfivWEPEMGWy5woGO23jyd464rRyLvOHuUaqLctDq18/B5aaWrSolp GAaVr7Lg6+5b2P0vUO9acAclRCNpeQIFoqHNV2NXq4+fz2FUeJGll/ehuQP0Z0ga OD5M4eNnjed3hWWw8w1IQz2hr5YE57EcXqID8cRhzJTtpTuqphlcLt1vTTgFbfLm aJN3f3m1nn8S8sFuQmQLzmwG2Kqif+/V152BfeXyWIihEaNbqU0sqHmooSglOi1t tv5Id45Ao2BbBJ/pFEjPlLzTeQsZKedJlIslF5VzsI2l3MlrhlEcqhyIpKj1ICHt ZYKnbrjR6dG6w9PXdevXCx04M8GiRpLdxKVBwnr0wIVuzhKAu057JkdywrJsa7RN SJAoJMOwc4SPur80mjLadif4uIeGA3dB8TCs5EKaUIdgBZfI0h38L/jHVd89lFM2 gFP2FmjpQoVvgWDaqn/vgiaEctIzI/F8wLCm5YeQvHQQVB/DyrGOYz/KpxubwOI9 eqHjayKeKTY+fsReVeXAnMxoOteo3VkSHn1Cz/CfDDGX5KV2yHdtKHTkR9UBkrXj 1OUU3zerjEYv/ZhvdSocuuHL+S0mJ0GSloEBQ1d54FcVWETd7H9q2/D03HigArTI hIv1bnts5J1paUXB8wHFpt0ff9LIUug3CtlGOP9uSajNlPNLBsZ/t23kGADyNClT l3efkZCEIkB2zvFzNL6NeD3ckp43ZVX9XN+w6Cx4mnIIYX5Netwl14qOkGfu4V0Q HTI4SamH Extension name: yhhyv ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge 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/04AB4409CB516FB4

http://decryptor.top/04AB4409CB516FB4

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Blocklisted process makes network request 7 IoCs

Processes:

rundll32.exe

flow pid process

4 2692 rundll32.exe
5 2692 rundll32.exe
7 2692 rundll32.exe
8 2692 rundll32.exe
10 2692 rundll32.exe
11 2692 rundll32.exe
13 2692 rundll32.exe

flow	pid	process
4	2692	rundll32.exe
5	2692	rundll32.exe
7	2692	rundll32.exe
8	2692	rundll32.exe
10	2692	rundll32.exe
11	2692	rundll32.exe
13	2692	rundll32.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

Processes:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5f12asruy37i.bmp"	rundll32.exe

Drops file in Program Files directory 49 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\ExportResume.vsdx	rundll32.exe
File opened for modification	\??\c:\program files\ImportMeasure.cab	rundll32.exe
File opened for modification	\??\c:\program files\ConvertUninstall.rmi	rundll32.exe
File opened for modification	\??\c:\program files\ResetGroup.lnk	rundll32.exe
File opened for modification	\??\c:\program files\ResolveSave.xltm	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlceer35EN.dll	rundll32.exe
File opened for modification	\??\c:\program files\ClearExit.mid	rundll32.exe
File opened for modification	\??\c:\program files\RegisterRename.easmx	rundll32.exe
File opened for modification	\??\c:\program files\UnpublishReceive.svg	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlcese35.dll	rundll32.exe
File opened for modification	\??\c:\program files\CheckpointOpen.iso	rundll32.exe
File opened for modification	\??\c:\program files\CloseGroup.xps	rundll32.exe
File opened for modification	\??\c:\program files\ConvertToRename.xla	rundll32.exe
File opened for modification	\??\c:\program files\RestartShow.xlt	rundll32.exe
File opened for modification	\??\c:\program files\SendEnter.cab	rundll32.exe
File opened for modification	\??\c:\program files\UnprotectTrace.wmx	rundll32.exe
File opened for modification	\??\c:\program files\GrantLimit.aifc	rundll32.exe
File opened for modification	\??\c:\program files\RegisterUnpublish.mpg	rundll32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\yhhyv-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlceca35.dll	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlcecompact35.dll	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlceoledb35.dll	rundll32.exe
File opened for modification	\??\c:\program files\AddExit.gif	rundll32.exe
File opened for modification	\??\c:\program files\AssertSwitch.xsl	rundll32.exe
File opened for modification	\??\c:\program files\ConvertToOpen.mpe	rundll32.exe
File opened for modification	\??\c:\program files\JoinInvoke.gif	rundll32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\yhhyv-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\LimitConvertFrom.ogg	rundll32.exe
File created	\??\c:\program files (x86)\yhhyv-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\LockGrant.tiff	rundll32.exe
File opened for modification	\??\c:\program files\ExpandRestart.wvx	rundll32.exe
File opened for modification	\??\c:\program files\ExportLimit.xsl	rundll32.exe
File opened for modification	\??\c:\program files\InstallMerge.i64	rundll32.exe
File opened for modification	\??\c:\program files\RestartMerge.scf	rundll32.exe
File opened for modification	\??\c:\program files\SendProtect.svgz	rundll32.exe
File opened for modification	\??\c:\program files\SyncGet.WTV	rundll32.exe
File opened for modification	\??\c:\program files\UnpublishResolve.wma	rundll32.exe
File opened for modification	\??\c:\program files\PopConfirm.ini	rundll32.exe
File opened for modification	\??\c:\program files\RepairGrant.m1v	rundll32.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\yhhyv-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\EnableReset.css	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlceme35.dll	rundll32.exe
File created	\??\c:\program files\yhhyv-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\EnableStop.mp2v	rundll32.exe
File opened for modification	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\sqlceqp35.dll	rundll32.exe
File opened for modification	\??\c:\program files\ConvertFromComplete.jfif	rundll32.exe
File opened for modification	\??\c:\program files\RenameUnlock.vb	rundll32.exe
File opened for modification	\??\c:\program files\SaveBlock.ADTS	rundll32.exe
File opened for modification	\??\c:\program files\WriteExpand.wm	rundll32.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.execmd.exevssadmin.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe

Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Direct Volume Access
T1006

Processes:

vssadmin.exe

pid process

2828 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2692 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 716 vssvc.exe
Token: SeRestorePrivilege 716 vssvc.exe
Token: SeAuditPrivilege 716 vssvc.exe

pid	process
2828	vssadmin.exe

pid	process
2692	rundll32.exe

description	pid	process
Token: SeBackupPrivilege	716	vssvc.exe
Token: SeRestorePrivilege	716	vssvc.exe
Token: SeAuditPrivilege	716	vssvc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.execmd.exe

description	pid	process	target process
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 816 wrote to memory of 2692	816	rundll32.exe	rundll32.exe
PID 2692 wrote to memory of 2816	2692	rundll32.exe	cmd.exe
PID 2692 wrote to memory of 2816	2692	rundll32.exe	cmd.exe
PID 2692 wrote to memory of 2816	2692	rundll32.exe	cmd.exe
PID 2692 wrote to memory of 2816	2692	rundll32.exe	cmd.exe
PID 2816 wrote to memory of 2828	2816	cmd.exe	vssadmin.exe
PID 2816 wrote to memory of 2828	2816	cmd.exe	vssadmin.exe
PID 2816 wrote to memory of 2828	2816	cmd.exe	vssadmin.exe
PID 2816 wrote to memory of 2828	2816	cmd.exe	vssadmin.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d04208e8499134779820f61c15d2ff37_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d04208e8499134779820f61c15d2ff37_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:2828

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1

T1006

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\yhhyv-readme.txt

Filesize
6KB

MD5
6963bfc1e7ae43a3948713b9ceb4d0ff

SHA1
7800466380b18e6dadb5aa6bba36fddc5d457545

SHA256
d7c98cddd365d3ed7dd2cacb62cbdad0400a1f394b32bb98bf5c3cc8a5909e89

SHA512
ee4a8c0e8e960e35f8d14160e548d78dc844d5dff53f4d41076f04e4505775c8cd91e5402957faaf5765bfb8cf15fbf3ae192734096991f6e5c51148ae08fad8

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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