Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 03:51

General

  • Target

    d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe

  • Size

    4.7MB

  • MD5

    6320d63025e1764e578680e24906def3

  • SHA1

    b452cb8f5fe2b5683b8ea94b90c5d3f415e53832

  • SHA256

    d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0

  • SHA512

    f75d2700fafea373de7f2c4131a650128d38146ef8fd7edef0c186ce3ebc1fb51b116f91596891d68f893a56b30e14035e565a55d0e5d228462c9e3e7a68dc51

  • SSDEEP

    98304:KjG9asZlqf3mTJBMAxu8l+yzWCdlPtclKfWN6D:KjGgsZlqvmT8wu8lZWCzo+

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

risepro

C2

77.105.132.27:50500

Extracted

Family

lumma

C2

https://contintnetksows.shop/api

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://reinforcedirectorywd.shop/api

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
    "C:\Users\Admin\AppData\Local\Temp\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4232
      • C:\ProgramData\AFBKKFBAEG.exe
        "C:\ProgramData\AFBKKFBAEG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3896
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:2576
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 300
            4⤵
            • Program crash
            PID:3636
        • C:\ProgramData\IIJEBFCFIJ.exe
          "C:\ProgramData\IIJEBFCFIJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4108
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4924
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 308
              4⤵
              • Program crash
              PID:2380
          • C:\ProgramData\IIEBKJECFC.exe
            "C:\ProgramData\IIEBKJECFC.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:396
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2284
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 300
              4⤵
              • Program crash
              PID:1280
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBFIDGIIIJDB" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4424
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:4780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3896 -ip 3896
        1⤵
          PID:3264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 396 -ip 396
          1⤵
            PID:5000
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4108 -ip 4108
            1⤵
              PID:1236

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            1
            T1082

            Collection

            Data from Local System

            1
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\AFBKKFBAEG.exe
              Filesize

              1.8MB

              MD5

              785a4d0ce6dee4c3bccd020a9d1b5ed9

              SHA1

              9d610511936fd60e388f344729c06a2db7479ade

              SHA256

              f5093c69b58ce1149d43a7ec268eba733115429e26ca23820571306571b31ead

              SHA512

              1fe0c987530a8183a0789f799bd949b1f8b2fb25bfc6110521dac5b68306f8e9c8028a952c9430b96a082c701760eade51a3112d9b8b04bf77f4c356d19d0f51

            • C:\ProgramData\IIEBKJECFC.exe
              Filesize

              643KB

              MD5

              f03f43046831d8eee22e959770aaedf1

              SHA1

              3e63791066428f782286f4180f82631240326344

              SHA256

              04dbcbb46b56d4bff31ca8b58d398a90bca5f523a3ba6b8c7300e4ee19c54124

              SHA512

              128e942b7a1778385866e8ab336ef778d7e6248b037345c0d36dd8e8329ea7952956dc7ed30ee4af58fe22a319f26c28f7062916a07a4dcd3930d854cfc6f57e

            • C:\ProgramData\IIJEBFCFIJ.exe
              Filesize

              520KB

              MD5

              3900de86228c8f839d6d4b483794457b

              SHA1

              90e24676fd3ebcda8635704e762e83d3fbd9cfba

              SHA256

              00c4e525ffb64ff858bb8922e3ab46ee6d65c67a3fa7d9f3a614aaf1604f27e3

              SHA512

              5bd0c7f623a6a3c11091391c72868c4462525618164d40a28a19dc5913766b7ebb2878206b4077a7374de23562343748e27e4594ad5c56434fb9fff40e91f4dc

            • memory/2284-173-0x0000000008150000-0x0000000008768000-memory.dmp
              Filesize

              6.1MB

            • memory/2284-175-0x0000000007CE0000-0x0000000007CF2000-memory.dmp
              Filesize

              72KB

            • memory/2284-174-0x0000000007D90000-0x0000000007E9A000-memory.dmp
              Filesize

              1.0MB

            • memory/2284-176-0x0000000007D40000-0x0000000007D7C000-memory.dmp
              Filesize

              240KB

            • memory/2284-169-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
              Filesize

              40KB

            • memory/2284-168-0x0000000004F10000-0x0000000004FA2000-memory.dmp
              Filesize

              584KB

            • memory/2284-167-0x0000000005420000-0x00000000059C4000-memory.dmp
              Filesize

              5.6MB

            • memory/2284-166-0x0000000000400000-0x0000000000472000-memory.dmp
              Filesize

              456KB

            • memory/2284-177-0x0000000007EA0000-0x0000000007EEC000-memory.dmp
              Filesize

              304KB

            • memory/2576-178-0x0000000000400000-0x0000000000596000-memory.dmp
              Filesize

              1.6MB

            • memory/2576-146-0x0000000000400000-0x0000000000596000-memory.dmp
              Filesize

              1.6MB

            • memory/2908-10-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-28-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-7-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-66-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-64-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-1-0x0000000000BD0000-0x000000000108C000-memory.dmp
              Filesize

              4.7MB

            • memory/2908-2-0x0000000005AE0000-0x0000000005B7C000-memory.dmp
              Filesize

              624KB

            • memory/2908-67-0x0000000074620000-0x0000000074DD0000-memory.dmp
              Filesize

              7.7MB

            • memory/2908-62-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-60-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-59-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-57-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-54-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-52-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-50-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-48-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-46-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-44-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-42-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-38-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-36-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-34-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-32-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-0-0x000000007462E000-0x000000007462F000-memory.dmp
              Filesize

              4KB

            • memory/2908-24-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-22-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-20-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-72-0x0000000074620000-0x0000000074DD0000-memory.dmp
              Filesize

              7.7MB

            • memory/2908-3-0x00000000059D0000-0x00000000059DA000-memory.dmp
              Filesize

              40KB

            • memory/2908-4-0x0000000074620000-0x0000000074DD0000-memory.dmp
              Filesize

              7.7MB

            • memory/2908-26-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-5-0x0000000005CD0000-0x0000000005E44000-memory.dmp
              Filesize

              1.5MB

            • memory/2908-31-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-40-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-8-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-14-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-18-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-12-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-17-0x0000000005AB0000-0x0000000005AC5000-memory.dmp
              Filesize

              84KB

            • memory/2908-6-0x0000000005AB0000-0x0000000005ACC000-memory.dmp
              Filesize

              112KB

            • memory/3896-142-0x0000000000A00000-0x0000000000A01000-memory.dmp
              Filesize

              4KB

            • memory/4232-172-0x0000000000400000-0x0000000000648000-memory.dmp
              Filesize

              2.3MB

            • memory/4232-85-0x0000000000400000-0x0000000000648000-memory.dmp
              Filesize

              2.3MB

            • memory/4232-73-0x0000000000400000-0x0000000000648000-memory.dmp
              Filesize

              2.3MB

            • memory/4232-70-0x0000000000400000-0x0000000000648000-memory.dmp
              Filesize

              2.3MB

            • memory/4232-68-0x0000000000400000-0x0000000000648000-memory.dmp
              Filesize

              2.3MB