Overview

overview

10

Static

static

8 (1).exe

windows7_x64

10

8 (1).exe

windows10_x64

10

8 (10).exe

windows7_x64

10

8 (10).exe

windows10_x64

10

8 (11).exe

windows7_x64

10

8 (11).exe

windows10_x64

10

8 (12).exe

windows7_x64

10

8 (12).exe

windows10_x64

10

8 (13).exe

windows7_x64

10

8 (13).exe

windows10_x64

10

8 (14).exe

windows7_x64

10

8 (14).exe

windows10_x64

10

8 (15).exe

windows7_x64

10

8 (15).exe

windows10_x64

10

8 (16).exe

windows7_x64

10

8 (16).exe

windows10_x64

10

8 (17).exe

windows7_x64

10

8 (17).exe

windows10_x64

10

8 (18).exe

windows7_x64

10

8 (18).exe

windows10_x64

10

8 (19).exe

windows7_x64

10

8 (19).exe

windows10_x64

10

8 (2).exe

windows7_x64

10

8 (2).exe

windows10_x64

10

8 (20).exe

windows7_x64

10

8 (20).exe

windows10_x64

10

8 (21).exe

windows7_x64

10

8 (21).exe

windows10_x64

10

8 (22).exe

windows7_x64

10

8 (22).exe

windows10_x64

10

8 (23).exe

windows7_x64

10

8 (23).exe

windows10_x64

10

Resubmissions

13/08/2021, 10:16

210813-wpta271jdx 10

08/08/2021, 23:00

210808-fgs5g9pxfs 10

07/08/2021, 23:12

210807-g2jw1lmd4a 10

07/08/2021, 16:10

210807-51nhct4kfx 10

06/08/2021, 23:43

210806-gc2271nxwj 10

06/08/2021, 06:00

210806-f443x39x8a 10

05/08/2021, 17:08

210805-97y6banvvx 10

04/08/2021, 17:25

210804-hkxx2ntr8x 10

04/08/2021, 12:12

210804-rjbg4b4y7n 10

03/08/2021, 17:12

210803-r2h7ytjwqj 10

Analysis

  • max time kernel
    1799s
  • max time network
    1807s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    03/08/2021, 17:12

Sharing

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General

  • Target

    8 (10).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Score
10/10
vidar933aspackv2stealer

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Vidar Stealer 2 IoCs
    stealer
  • ASPack v2.12-2.42 18 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 43 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 20 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:488
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:892
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:384
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:1404
    • C:\Users\Admin\AppData\Local\Temp\8 (10).exe
      "C:\Users\Admin\AppData\Local\Temp\8 (10).exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1180
        • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\setup_install.exe
          "C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\setup_install.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_1.exe
            4⤵
            • Loads dropped DLL
            PID:1328
            • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_1.exe
              sonia_1.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1828
              • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_1.exe
                "C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_1.exe" -a
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:916
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_2.exe
            4⤵
              PID:1572
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_3.exe
              4⤵
              • Loads dropped DLL
              PID:936
              • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_3.exe
                sonia_3.exe
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Modifies system certificate store
                PID:1756
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 964
                  6⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1436
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_4.exe
              4⤵
              • Loads dropped DLL
              PID:1076
              • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_4.exe
                sonia_4.exe
                5⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                PID:1608
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_5.exe
              4⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1116
              • C:\Users\Admin\AppData\Local\Temp\7zSC945EFA4\sonia_5.exe
                sonia_5.exe
                5⤵
                • Executes dropped EXE
                PID:1600
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_6.exe
              4⤵
                PID:1824
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c sonia_7.exe
                4⤵
                  PID:1724
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 412
                  4⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:108
          • C:\Windows\system32\rUNdlL32.eXe
            rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
            1⤵
            • Process spawned unexpected child process
            PID:1464
            • C:\Windows\SysWOW64\rundll32.exe
              rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
              2⤵
              • Loads dropped DLL
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:988

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/108-172-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/384-170-0x0000000000290000-0x0000000000301000-memory.dmp

            Filesize

            452KB

            Download

          • memory/892-169-0x0000000000A50000-0x0000000000AC1000-memory.dmp

            Filesize

            452KB

            Download

          • memory/892-168-0x00000000008D0000-0x000000000091C000-memory.dmp

            Filesize

            304KB

            Download

          • memory/988-167-0x0000000000210000-0x000000000026D000-memory.dmp

            Filesize

            372KB

            Download

          • memory/988-166-0x00000000020A0000-0x00000000021A1000-memory.dmp

            Filesize

            1.0MB

            Download

          • memory/1052-91-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

            Download

          • memory/1052-99-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

            Download

          • memory/1052-97-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

            Download

          • memory/1052-96-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

            Download

          • memory/1052-88-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

            Download

          • memory/1052-95-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

            Download

          • memory/1052-94-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

            Download

          • memory/1052-98-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

            Download

          • memory/1052-93-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

            Download

          • memory/1052-89-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

            Download

          • memory/1052-92-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

            Download

          • memory/1052-90-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

            Download

          • memory/1404-186-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

            Download

          • memory/1404-184-0x00000000004E0000-0x0000000000554000-memory.dmp

            Filesize

            464KB

            Download

          • memory/1404-187-0x0000000003250000-0x0000000003356000-memory.dmp

            Filesize

            1.0MB

            Download

          • memory/1404-183-0x0000000000110000-0x000000000015E000-memory.dmp

            Filesize

            312KB

            Download

          • memory/1404-185-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1436-181-0x0000000000230000-0x00000000002B0000-memory.dmp

            Filesize

            512KB

            Download

          • memory/1608-134-0x0000000000C10000-0x0000000000C11000-memory.dmp

            Filesize

            4KB

            Download

          • memory/1608-143-0x000000001B050000-0x000000001B052000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1756-156-0x0000000000400000-0x00000000008F2000-memory.dmp

            Filesize

            4.9MB

            Download

          • memory/1756-155-0x0000000000350000-0x00000000003ED000-memory.dmp

            Filesize

            628KB

            Download

          • memory/1828-59-0x00000000762C1000-0x00000000762C3000-memory.dmp

            Filesize

            8KB

            Download