File name:

stage3.dll

Full analysis: https://app.any.run/tasks/c68425b7-5d5b-45da-acfc-c20b3f3cf578
Verdict: Malicious activity
Threats:

Sodinokibi, also called Revil, is dangerous ransomware-type malware. Among other tools, it uses advanced encryption techniques and can operate without connection to control servers. Sodinokibi is among the most complex Ransomware in the world.

Analysis date: June 11, 2021, 22:06:03
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
sodinokibi
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

612F5B62182B5C3A8EB64ECAA2827462

SHA1:

9D2BFCBAF44F9E59BBB451DCE29E4C7AD6778808

SHA256:

7AC75D8D4390707428B148CF3CAD23D804930141FD8EA53CF1A7790F7D1C3C88

SSDEEP:

1536:OgzVnCcFqy0+A1raqG/33+92Z9i0C1b5rprOEGICS4Av3uZs38oP/GgmOpSFDrKD:OCY7F2sb5dHd3uW383rvDrKr

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 4024)
    • Sodinokibi ransom note found

      • rundll32.exe (PID: 4024)
    • Renames files like Ransomware

      • rundll32.exe (PID: 4024)
    • Writes file to Word startup folder

      • rundll32.exe (PID: 4024)
    • Changes settings of System certificates

      • rundll32.exe (PID: 4024)
    • Modifies files in Chrome extension folder

      • rundll32.exe (PID: 4024)
    • Steals credentials from Web Browsers

      • rundll32.exe (PID: 4024)
    • Actions looks like stealing of personal data

      • rundll32.exe (PID: 4024)
  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • rundll32.exe (PID: 648)
    • Application launched itself

      • rundll32.exe (PID: 648)
    • Executed via COM

      • unsecapp.exe (PID: 2464)
    • Executed as Windows Service

      • vssvc.exe (PID: 1528)
    • Creates files like Ransomware instruction

      • rundll32.exe (PID: 4024)
    • Drops a file with a compile date too recent

      • rundll32.exe (PID: 4024)
    • Reads the cookies of Google Chrome

      • rundll32.exe (PID: 4024)
    • Reads the cookies of Mozilla Firefox

      • rundll32.exe (PID: 4024)
    • Creates files in the program directory

      • rundll32.exe (PID: 4024)
    • Adds / modifies Windows certificates

      • rundll32.exe (PID: 4024)
    • Creates files in the user directory

      • rundll32.exe (PID: 4024)
  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 648)
    • Reads settings of System Certificates

      • rundll32.exe (PID: 4024)
    • Dropped object may contain TOR URL's

      • rundll32.exe (PID: 4024)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2021:04:13 21:53:55+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 49152
InitializedDataSize: 75264
UninitializedDataSize: 0
EntryPoint: 0x457f
OSVersion: 5.1
ImageVersion: 0
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 13-Apr-2021 19:53:55

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 13-Apr-2021 19:53:55
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0000BE94
0x0000C000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.53975
.rdata
0x0000D000
0x00002F2E
0x00003000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.72888
.data
0x00010000
0x000024E0
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.60369
.bios
0x00013000
0x0000C800
0x0000C800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.47964
.reloc
0x00020000
0x00000740
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.39442

Imports

KERNEL32.dll
OLEAUT32.dll
USER32.dll

Exports

Title
Ordinal
Address
DllRegisterServer
1
0x000044B7
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe #SODINOKIBI rundll32.exe unsecapp.exe no specs vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
648"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\stage3.dll", DllRegisterServerC:\Windows\System32\rundll32.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\aclayers.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\ole32.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\userenv.dll
c:\windows\system32\profapi.dll
c:\windows\system32\winspool.drv
c:\windows\system32\mpr.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\users\admin\appdata\local\temp\stage3.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\webio.dll
c:\windows\system32\winmm.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\rstrtmgr.dll
c:\windows\system32\ncrypt.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\netapi32.dll
c:\windows\system32\netutils.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\wkscli.dll
c:\windows\system32\samcli.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\propsys.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\clbcatq.dll
c:\windows\system32\ntmarta.dll
c:\windows\system32\wldap32.dll
c:\windows\system32\urlmon.dll
c:\windows\system32\api-ms-win-downlevel-ole32-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-shlwapi-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-user32-l1-1-0.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
c:\windows\system32\version.dll
c:\windows\system32\api-ms-win-downlevel-normaliz-l1-1-0.dll
c:\windows\system32\normaliz.dll
c:\windows\system32\iertutil.dll
c:\windows\system32\wininet.dll
c:\windows\system32\secur32.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\devobj.dll
c:\windows\system32\sfc.dll
4024"C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\stage3.dll, DllRegisterServer C:\Windows\System32\rundll32.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows host process (Rundll32)
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\aclayers.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\ole32.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\userenv.dll
c:\windows\system32\profapi.dll
c:\windows\system32\winspool.drv
c:\windows\system32\mpr.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\users\admin\appdata\local\temp\stage3.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\webio.dll
c:\windows\system32\winmm.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\rstrtmgr.dll
c:\windows\system32\ncrypt.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\netapi32.dll
c:\windows\system32\netutils.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\wkscli.dll
c:\windows\system32\samcli.dll
c:\windows\system32\cryptbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\clbcatq.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\devobj.dll
c:\windows\system32\ntmarta.dll
c:\windows\system32\wldap32.dll
c:\windows\system32\propsys.dll
c:\windows\system32\wbem\wbemprox.dll
c:\windows\system32\wbemcomn.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\nsi.dll
c:\windows\system32\wbem\fastprox.dll
c:\windows\system32\ntdsapi.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\rsaenh.dll
c:\windows\system32\rpcrtremote.dll
c:\windows\system32\wbem\wbemsvc.dll
c:\windows\system32\drprov.dll
c:\windows\system32\winsta.dll
c:\windows\system32\ntlanman.dll
c:\windows\system32\davclnt.dll
c:\windows\system32\davhlpr.dll
c:\windows\system32\cscapi.dll
c:\windows\system32\browcli.dll
c:\windows\system32\iconcodecservice.dll
c:\windows\system32\windowscodecs.dll
c:\windows\system32\credssp.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshqos.dll
c:\windows\system32\wshtcpip.dll
c:\windows\system32\wship6.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\rasadhlp.dll
c:\windows\system32\fwpuclnt.dll
c:\windows\system32\schannel.dll
c:\windows\system32\secur32.dll
c:\windows\system32\bcryptprimitives.dll
2464C:\Windows\system32\wbem\unsecapp.exe -EmbeddingC:\Windows\system32\wbem\unsecapp.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Sink to receive asynchronous callbacks for WMI client application
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\unsecapp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\wbemcomn.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\nsi.dll
c:\windows\system32\sechost.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\clbcatq.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\rsaenh.dll
c:\windows\system32\rpcrtremote.dll
c:\windows\system32\wbem\wbemsvc.dll
c:\windows\system32\wbem\fastprox.dll
1528C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\atl.dll
c:\windows\system32\ole32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\vssapi.dll
c:\windows\system32\vsstrace.dll
c:\windows\system32\netapi32.dll
c:\windows\system32\netutils.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\wkscli.dll
c:\windows\system32\samcli.dll
c:\windows\system32\clusapi.dll
c:\windows\system32\cryptdll.dll
c:\windows\system32\xolehlp.dll
c:\windows\system32\version.dll
c:\windows\system32\resutils.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\devobj.dll
c:\windows\system32\authz.dll
c:\windows\system32\virtdisk.dll
c:\windows\system32\fltlib.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\rsaenh.dll
c:\windows\system32\rpcrtremote.dll
c:\windows\system32\clbcatq.dll
c:\windows\system32\vss_ps.dll
c:\windows\system32\samlib.dll
c:\windows\system32\es.dll
c:\windows\system32\propsys.dll
c:\windows\system32\catsrvut.dll
Total events
425
Read events
397
Write events
28
Delete events
0

Modification events

(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:znq
Value:
B17408F62A0A950E3119F81A3AB37031542F3530FFE2B096584F6BDF966D9462
(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:X7Rn
Value:
34CA0E6E26AAFBE01BD82C574C84ECBA1B347898A37E5448894B45A44CA9CA6B
(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:ezjIT
Value:
D19737BD6090825163F7408837DC66C4A3A4D72C28C7C27DFEED2BB9835F968931139EFC46A03596CB079DA78CCB63B0C3F50928900E79DD8EAAEE2168DC3582EDB4387DF4F986F5A9736626079A77EE0ECE61ED2F0073CD
(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:FfSEAQ
Value:
01EF6C44CA13226E0B72E5CBC2AE78E07910BD50FB9A54F58ADFAFABCC84BC174B9215C5426CFC730D78FD5DD283C30A12272E0F91C5BF2EF4BF3F9A826E54B377B97B1DD5C52821483841A6E0296C4AEC99F2D84C055123
(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:U8ngBWt
Value:
.r3s0v3lg
(PID) Process:(648) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:vMUQJe1x
Value:
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
(PID) Process:(648) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(648) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(4024) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:znq
Value:
B17408F62A0A950E3119F81A3AB37031542F3530FFE2B096584F6BDF966D9462
(PID) Process:(4024) rundll32.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Operation:writeName:X7Rn
Value:
1A529104AE0AA31882A577003815651E455ED557C2C41DF052B00BEA709EC70A
Executable files
0
Suspicious files
1 902
Text files
7
Unknown types
28

Dropped files

PID
Process
Filename
Type
4024rundll32.exe