Overview
overview
10Static
static
100A6172B017F62EAA.exe
windows7-x64
100A6172B017F62EAA.exe
windows10-2004-x64
102891E1D4BAC70EBA.exe
windows7-x64
102891E1D4BAC70EBA.exe
windows10-2004-x64
103472CB2D1AB89AAB.exe
windows7-x64
103472CB2D1AB89AAB.exe
windows10-2004-x64
10613788884CE0093F.exe
windows7-x64
10613788884CE0093F.exe
windows10-2004-x64
107189AED8B8AE6568.exe
windows7-x64
107189AED8B8AE6568.exe
windows10-2004-x64
10CC3B1F89FAA517E4.exe
windows7-x64
10CC3B1F89FAA517E4.exe
windows10-2004-x64
10F5657AC3DC58DC8C.exe
windows7-x64
10F5657AC3DC58DC8C.exe
windows10-2004-x64
10Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 05:01
Behavioral task
behavioral1
Sample
0A6172B017F62EAA.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0A6172B017F62EAA.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
2891E1D4BAC70EBA.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
2891E1D4BAC70EBA.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
3472CB2D1AB89AAB.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
3472CB2D1AB89AAB.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
613788884CE0093F.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
613788884CE0093F.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
7189AED8B8AE6568.exe
Resource
win7-20241023-en
Behavioral task
behavioral10
Sample
7189AED8B8AE6568.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
CC3B1F89FAA517E4.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
CC3B1F89FAA517E4.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
F5657AC3DC58DC8C.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
F5657AC3DC58DC8C.exe
Resource
win10v2004-20241007-en
General
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Target
2891E1D4BAC70EBA.exe
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Size
137KB
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MD5
c04dadf78f2813750900fa54863fb2b7
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SHA1
8575e9d6f980b53ea13c37053aa2d55691bfe3e0
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SHA256
207a249e3c4359548b9ff264cac31d09c95d626d0e4835c081d8afbb732bac4f
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SHA512
20baf3958a55df7fe0196d300809afd2c4d4408c4e08db21f5ed6a1b6d21fcb09eea081813cf2b5ba60d745f745db043d2d2d9132da3ea565306402247b43372
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SSDEEP
3072:GLIQ8YzXEMZK1A2czbFk58x+o+EFz9/t2f65q8hv2bIoKb:GstYrEMw6Bxk5zOFNtgJKCUb
Malware Config
Extracted
C:\ProgramData\biobio ransmoware.txt
Signatures
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (9098) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: 2891E1D4BAC70EBA.exe File opened (read-only) \??\F: 2891E1D4BAC70EBA.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre7\bin\glass.dll.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0282928.WMF.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0297551.WMF.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\en-US\gadget.xml 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.htm 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\softedges.png 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\attach.dll.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jre7\lib\ext\sunmscapi.jar.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LEVEL\THMBNAIL.PNG.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_MoveDrop32x32.gif 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-ui.jar.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File created C:\Program Files (x86)\Common Files\microsoft shared\Source Engine\biobio ransmoware.txt 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-highlight.png 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\.eclipseproduct.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Rainy_River 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105496.WMF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15276_.GIF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD21320_.GIF.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\activity16v.png 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Tehran 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ms\LC_MESSAGES\vlc.mo 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-charts_zh_CN.jar 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01182_.WMF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0150150.WMF.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02124_.WMF 2891E1D4BAC70EBA.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\hr-HR\biobio ransmoware.txt 2891E1D4BAC70EBA.exe File created C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\biobio ransmoware.txt 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libmpg123_plugin.dll 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Tashkent.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\IMCONTACT.DLL.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\msado20.tlb 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\anevia_streams.luac 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ecf.filetransfer_5.0.0.v20140827-1444.jar.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-autoupdate-ui.xml 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpenc.exe 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSTH7ES.LEX 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Memories_buttonClear.png 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\extensions\VLSub.luac 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\LAUNCH.GIF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGMAIN.XML.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_left_disabled.png 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME34.CSS.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\gu\LC_MESSAGES\vlc.mo 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Documentation\1033\License Agreements\SynchronizationEula.rtf 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_Casual.gif.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-nodes.xml 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\fr-FR\SpiderSolitaire.exe.mui 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\CUPINST.WMF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0286034.WMF 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\w2k_lsa_auth.dll 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\VDKHome\VDK10.LIC.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\CommsIncomingImageSmall.jpg.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\button_left_over.gif 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Effects\Foundry.eftx.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN001.XML.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\ENFR\MSB1ENFR.ITS.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\de-DE\js\library.js 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Blanc-Sablon.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-application.jar 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0175361.JPG.EMAIL=[[email protected]]ID=[2891E1D4BAC70EBA].biobio 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL001.XML 2891E1D4BAC70EBA.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\en-US\settings.html 2891E1D4BAC70EBA.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2891E1D4BAC70EBA.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2724 vssadmin.exe 548 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe 2792 2891E1D4BAC70EBA.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeRestorePrivilege 2792 2891E1D4BAC70EBA.exe Token: SeBackupPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeTakeOwnershipPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeAuditPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeSecurityPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeIncBasePriorityPrivilege 2792 2891E1D4BAC70EBA.exe Token: SeBackupPrivilege 2652 vssvc.exe Token: SeRestorePrivilege 2652 vssvc.exe Token: SeAuditPrivilege 2652 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2792 wrote to memory of 2712 2792 2891E1D4BAC70EBA.exe 31 PID 2792 wrote to memory of 2712 2792 2891E1D4BAC70EBA.exe 31 PID 2792 wrote to memory of 2712 2792 2891E1D4BAC70EBA.exe 31 PID 2792 wrote to memory of 2712 2792 2891E1D4BAC70EBA.exe 31 PID 2712 wrote to memory of 2724 2712 cmd.exe 33 PID 2712 wrote to memory of 2724 2712 cmd.exe 33 PID 2712 wrote to memory of 2724 2712 cmd.exe 33 PID 2792 wrote to memory of 1400 2792 2891E1D4BAC70EBA.exe 38 PID 2792 wrote to memory of 1400 2792 2891E1D4BAC70EBA.exe 38 PID 2792 wrote to memory of 1400 2792 2891E1D4BAC70EBA.exe 38 PID 2792 wrote to memory of 1400 2792 2891E1D4BAC70EBA.exe 38 PID 1400 wrote to memory of 548 1400 cmd.exe 40 PID 1400 wrote to memory of 548 1400 cmd.exe 40 PID 1400 wrote to memory of 548 1400 cmd.exe 40 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2891E1D4BAC70EBA.exe"C:\Users\Admin\AppData\Local\Temp\2891E1D4BAC70EBA.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2724
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:548
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2652
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
402B
MD591fa1053207971e936e6bbad0c7e8c27
SHA161a6300d327ae6eb276c6143f65a58c8f269a67e
SHA256f26d98cae64be561f1260f5cd1c2974a6dce9ffca484461b985ae1107198848d
SHA512b2794993d695cb6950eaa65eecd44dfd4f8ee297dfbd0ef26532fa9f60639c466bacd18e557798e3e28535f4812f1e928bd4862d6bc39a3f014465836d88b832