Analysis
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max time kernel
143s -
max time network
120s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
28-07-2021 10:02
Static task
static1
Behavioral task
behavioral1
Sample
unk.bin.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
unk.bin.exe
Resource
win10v20210408
General
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Target
unk.bin.exe
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Size
121KB
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MD5
adaef9ccad21c049fba9b42e700aad0c
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SHA1
bc3a32be1cbf94d4bfa4c144ebaf14553e10c2b7
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SHA256
d74f4ae57fdc08c54695c430dcf7df0ee5e5838ef49f5ce579c69f70eebddfd1
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SHA512
8cd330c48e9f2bceccbb79bf01c04d5a619d7693dcc6b82c939de59d4ba0f1bd78be8c899d3ef22535d231bedbc21683cdef05f29a1f601d041e78a292e4067f
Malware Config
Extracted
C:\yy2w2761o-README.txt
http://rbvuetuneohce3ouxjlbxtimyyxokb4btncxjbo44fbgxqy7tskinwad.onion/post/9d3b44c1d39abc86e63b30329b3ff58e68507f7c198dfcdb6074f2a939e2ba52
http://l55ysq5qjpin2vq23ul3gc3h62vp4wvenl7ov6fcn65vir7kc7gb5fyd.onion
Extracted
sodinokibi
$2b$13$902slVegoruyIDDYHPcBq.xgXEngwc1tVyIqy7M8W7ocqBslnYEtK
50
-
net
false
-
pid
$2b$13$902slVegoruyIDDYHPcBq.xgXEngwc1tVyIqy7M8W7ocqBslnYEtK
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prc
vsnapvss
EnterpriseClient
firefox
infopath
cvd
tv_x64.exe
VeeamTransportSvc
steam
encsvc
mydesktopservice
outlook
synctime
ocssd
SAP
cvfwd
bengien
vxmon
bedbh
ocomm
ocautoupds
raw_agent_svc
oracle
disk+work
powerpnt
saposcol
sqbcoreservice
sapstartsrv
beserver
saphostexec
dbeng50
isqlplussvc
CVODS
DellSystemDetect
CVMountd
TeamViewer.exe
dbsnmp
thunderbird
mspub
wordpad
visio
benetns
QBCFMonitorService
TeamViewer_Service.exe
tv_w32.exe
QBIDPService
winword
thebat
VeeamDeploymentSvc
avagent
QBDBMgrN
mydesktopqos
xfssvccon
sql
tbirdconfig
CagService
pvlsvr
avscc
VeeamNFSSvc
onenote
excel
msaccess
agntsvc
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ransom_oneliner
Follow {EXT}-README.txt instructions
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ransom_template
=== Welcome to LV === [+] What's Happened? [+] Your files have been encrypted and currently unavailable. You can check it. All files in your system have {EXT} extension. By the way, everything is possible to recover (restore) but you should follow our instructions. Otherwise you can NEVER return your data. [+] ATTENTION. YOUR DATA 2.5TB IS LEAKED [+] All your important documents was downloaded. Data leaked included: - Finance - Accounting - Bank Documents - Insurances - Clients Bases - Technical Documents If you do not contact us within 72 hours, the incident will appear on a public blog read by the U.S. and world lead media at this link: http://rbvuetuneohce3ouxjlbxtimyyxokb4btncxjbo44fbgxqy7tskinwad.onion/post/9d3b44c1d39abc86e63b30329b3ff58e68507f7c198dfcdb6074f2a939e2ba52 [+] What are our guarantees? [+] It's just a business and we care only about getting benefits. If we don't meet our obligations, nobody will deal with us. It doesn't hold our interest. So you can check the ability to restore your files. For this purpose you should visit our website where you can decrypt one file for free. That is our guarantee. It doesn't metter for us whether you cooperate with us or not. But if you don't, you'll lose your time and data cause only we have the private key to decrypt your files. In practice - time is much more valuable than money. [+] How to get access to our website? [+] Use TOR browser: 1. Download and install TOR browser from this site: https://torproject.org/ 2. Visit our website: http://l55ysq5qjpin2vq23ul3gc3h62vp4wvenl7ov6fcn65vir7kc7gb5fyd.onion When you visit our website, put the following data into the input form: Key: {KEY} !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software or antivirus solutions to restore your data - it may entail the private key damage and as a result all your data loss! !!! !!! !!! ONE MORE TIME: It's in your best interests to get your files back. From our side we (the best specialists in this sphere) ready to make everything for restoring but please do not interfere. !!! !!! !!
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sub
50
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svc
QBCFMonitorService
thebat
dbeng50
winword
dbsnmp
VeeamTransportSvc
disk+work
TeamViewer_Service.exe
firefox
QBIDPService
steam
onenote
CVMountd
cvd
VeeamDeploymentSvc
VeeamNFSSvc
bedbh
mydesktopqos
avscc
infopath
cvfwd
excel
beserver
powerpnt
mspub
synctime
QBDBMgrN
tv_w32.exe
EnterpriseClient
msaccess
ocssd
mydesktopservice
sqbcoreservice
CVODS
DellSystemDetect
oracle
ocautoupds
wordpad
visio
SAP
bengien
TeamViewer.exe
agntsvc
CagService
avagent
ocomm
outlook
saposcol
xfssvccon
isqlplussvc
pvlsvr
sql
tbirdconfig
vxmon
benetns
tv_x64.exe
encsvc
sapstartsrv
vsnapvss
raw_agent_svc
thunderbird
saphostexec
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies extensions of user files 12 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
unk.bin.exedescription ioc process File renamed C:\Users\Admin\Pictures\ReadResize.crw => \??\c:\users\admin\pictures\ReadResize.crw.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\ResumeConvertFrom.tiff => \??\c:\users\admin\pictures\ResumeConvertFrom.tiff.yy2w2761o unk.bin.exe File opened for modification \??\c:\users\admin\pictures\ReceiveUnpublish.tiff unk.bin.exe File opened for modification \??\c:\users\admin\pictures\ResumeConvertFrom.tiff unk.bin.exe File renamed C:\Users\Admin\Pictures\ApproveOptimize.tif => \??\c:\users\admin\pictures\ApproveOptimize.tif.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\CompareRename.tif => \??\c:\users\admin\pictures\CompareRename.tif.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\CloseResume.tif => \??\c:\users\admin\pictures\CloseResume.tif.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\PingInvoke.png => \??\c:\users\admin\pictures\PingInvoke.png.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\ReceiveUnpublish.tiff => \??\c:\users\admin\pictures\ReceiveUnpublish.tiff.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\ResetExport.raw => \??\c:\users\admin\pictures\ResetExport.raw.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\ResetRepair.png => \??\c:\users\admin\pictures\ResetRepair.png.yy2w2761o unk.bin.exe File renamed C:\Users\Admin\Pictures\RestartUse.raw => \??\c:\users\admin\pictures\RestartUse.raw.yy2w2761o unk.bin.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
unk.bin.exedescription ioc process File opened (read-only) \??\F: unk.bin.exe File opened (read-only) \??\I: unk.bin.exe File opened (read-only) \??\P: unk.bin.exe File opened (read-only) \??\V: unk.bin.exe File opened (read-only) \??\W: unk.bin.exe File opened (read-only) \??\Y: unk.bin.exe File opened (read-only) \??\N: unk.bin.exe File opened (read-only) \??\Q: unk.bin.exe File opened (read-only) \??\T: unk.bin.exe File opened (read-only) \??\D: unk.bin.exe File opened (read-only) \??\X: unk.bin.exe File opened (read-only) \??\A: unk.bin.exe File opened (read-only) \??\B: unk.bin.exe File opened (read-only) \??\E: unk.bin.exe File opened (read-only) \??\G: unk.bin.exe File opened (read-only) \??\J: unk.bin.exe File opened (read-only) \??\K: unk.bin.exe File opened (read-only) \??\S: unk.bin.exe File opened (read-only) \??\H: unk.bin.exe File opened (read-only) \??\L: unk.bin.exe File opened (read-only) \??\M: unk.bin.exe File opened (read-only) \??\O: unk.bin.exe File opened (read-only) \??\R: unk.bin.exe File opened (read-only) \??\U: unk.bin.exe File opened (read-only) \??\Z: unk.bin.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
unk.bin.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76n68o50j281.bmp" unk.bin.exe -
Drops file in Program Files directory 12 IoCs
Processes:
unk.bin.exedescription ioc process File opened for modification \??\c:\program files\OptimizeSwitch.asx unk.bin.exe File opened for modification \??\c:\program files\SwitchEnter.svgz unk.bin.exe File created \??\c:\program files\yy2w2761o-README.txt unk.bin.exe File opened for modification \??\c:\program files\CopySubmit.php unk.bin.exe File opened for modification \??\c:\program files\EditStep.xsl unk.bin.exe File opened for modification \??\c:\program files\LockComplete.emf unk.bin.exe File opened for modification \??\c:\program files\LockMerge.jfif unk.bin.exe File opened for modification \??\c:\program files\MeasureApprove.emz unk.bin.exe File created \??\c:\program files (x86)\yy2w2761o-README.txt unk.bin.exe File opened for modification \??\c:\program files\EditSync.gif unk.bin.exe File opened for modification \??\c:\program files\EnterDisconnect.avi unk.bin.exe File opened for modification \??\c:\program files\ImportMount.odt unk.bin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
unk.bin.exepid process 656 unk.bin.exe 656 unk.bin.exe 656 unk.bin.exe 656 unk.bin.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
unk.bin.exevssvc.exedescription pid process Token: SeDebugPrivilege 656 unk.bin.exe Token: SeTakeOwnershipPrivilege 656 unk.bin.exe Token: SeBackupPrivilege 2016 vssvc.exe Token: SeRestorePrivilege 2016 vssvc.exe Token: SeAuditPrivilege 2016 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\unk.bin.exe"C:\Users\Admin\AppData\Local\Temp\unk.bin.exe"1⤵
- 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
PID:656
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:192
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2016
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\yy2w2761o-README.txt1⤵PID:4044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Public\Desktop\yy2w2761o-README.txtMD5
c16b0a09e2e485b85f37cfd5126cd1a0
SHA13e03522a6eba10efe9cc5089e3a9e8adf26c1c23
SHA256909494e10a73445ab87cb0391330b408fb8aa9bee95193b6334374bb22bf6f09
SHA5127288c3ebbd8bbadc0d57e1079e937420d46f60c5e8aba27b0c8d6f8895c3ee6e7945382efdca976a7662a3dfecab06c3aa2ab3140dda9d638bffed044ea903cb
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memory/656-114-0x0000000000D90000-0x0000000000DB1000-memory.dmpFilesize
132KB