Analysis

  • max time kernel
    132s
  • max time network
    148s
  • 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 17:00

General

  • Target

    a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe

  • Size

    4.3MB

  • MD5

    67cef2b94174d0883a8e8b9ad9c217c7

  • SHA1

    d674a6454b03d5190ea685112e68a6604eabfc39

  • SHA256

    a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7

  • SHA512

    bd335514641c23f96063c92783bcc2e607c7765705aafa2e742b631c102c08704b1bc77ba61dce7f2267abd5e0e4a30653a50179f86689ecf348f5eb0057ea3c

  • SSDEEP

    49152:WgMCMqzvDxEHJKquC8nlPCx0jdt8not+bgZV014po/8QNT9Fr1:wGdlbInoM0bBO5H

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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe
    "C:\Users\Admin\AppData\Local\Temp\a928fc7218f8b916a6c386f500634dc2f31772ed5da82173b257ccf4371bdee7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2168
    • 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:1756
      • C:\ProgramData\BGCBGCAFII.exe
        "C:\ProgramData\BGCBGCAFII.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4456
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4820
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:440
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:4644
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 308
                4⤵
                • Program crash
                PID:4328
            • C:\ProgramData\GIIIECBGDH.exe
              "C:\ProgramData\GIIIECBGDH.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1932
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:688
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 328
                  4⤵
                  • Program crash
                  PID:2252
              • C:\ProgramData\EBKEHJJDAA.exe
                "C:\ProgramData\EBKEHJJDAA.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:4776
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  4⤵
                    PID:2324
                  • 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:4008
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 308
                    4⤵
                    • Program crash
                    PID:3216
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBFIIEHJDBKJ" & exit
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4440
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 10
                    4⤵
                    • Delays execution with timeout.exe
                    PID:2592
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4456 -ip 4456
              1⤵
                PID:1616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4776 -ip 4776
                1⤵
                  PID:4812
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1932 -ip 1932
                  1⤵
                    PID:5024

                  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\BGCBGCAFII.exe
                    Filesize

                    1.8MB

                    MD5

                    785a4d0ce6dee4c3bccd020a9d1b5ed9

                    SHA1

                    9d610511936fd60e388f344729c06a2db7479ade

                    SHA256

                    f5093c69b58ce1149d43a7ec268eba733115429e26ca23820571306571b31ead

                    SHA512

                    1fe0c987530a8183a0789f799bd949b1f8b2fb25bfc6110521dac5b68306f8e9c8028a952c9430b96a082c701760eade51a3112d9b8b04bf77f4c356d19d0f51

                  • C:\ProgramData\EBKEHJJDAA.exe
                    Filesize

                    643KB

                    MD5

                    f03f43046831d8eee22e959770aaedf1

                    SHA1

                    3e63791066428f782286f4180f82631240326344

                    SHA256

                    04dbcbb46b56d4bff31ca8b58d398a90bca5f523a3ba6b8c7300e4ee19c54124

                    SHA512

                    128e942b7a1778385866e8ab336ef778d7e6248b037345c0d36dd8e8329ea7952956dc7ed30ee4af58fe22a319f26c28f7062916a07a4dcd3930d854cfc6f57e

                  • C:\ProgramData\GIIIECBGDH.exe
                    Filesize

                    520KB

                    MD5

                    3900de86228c8f839d6d4b483794457b

                    SHA1

                    90e24676fd3ebcda8635704e762e83d3fbd9cfba

                    SHA256

                    00c4e525ffb64ff858bb8922e3ab46ee6d65c67a3fa7d9f3a614aaf1604f27e3

                    SHA512

                    5bd0c7f623a6a3c11091391c72868c4462525618164d40a28a19dc5913766b7ebb2878206b4077a7374de23562343748e27e4594ad5c56434fb9fff40e91f4dc

                  • memory/1756-67-0x0000000000400000-0x0000000000648000-memory.dmp
                    Filesize

                    2.3MB

                  • memory/1756-72-0x0000000000400000-0x0000000000648000-memory.dmp
                    Filesize

                    2.3MB

                  • memory/1756-73-0x0000000000400000-0x0000000000648000-memory.dmp
                    Filesize

                    2.3MB

                  • memory/1756-85-0x0000000000400000-0x0000000000648000-memory.dmp
                    Filesize

                    2.3MB

                  • memory/1756-172-0x0000000000400000-0x0000000000648000-memory.dmp
                    Filesize

                    2.3MB

                  • memory/2168-24-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-12-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-5-0x0000000005AA0000-0x0000000005BAC000-memory.dmp
                    Filesize

                    1.0MB

                  • memory/2168-6-0x00000000059F0000-0x0000000005A0C000-memory.dmp
                    Filesize

                    112KB

                  • memory/2168-14-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-66-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-62-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-71-0x0000000074CA0000-0x0000000075450000-memory.dmp
                    Filesize

                    7.7MB

                  • memory/2168-70-0x0000000074CA0000-0x0000000075450000-memory.dmp
                    Filesize

                    7.7MB

                  • memory/2168-60-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-50-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-48-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-46-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-44-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-40-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-38-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-36-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-34-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-32-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-30-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-28-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-26-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-3-0x0000000005890000-0x000000000589A000-memory.dmp
                    Filesize

                    40KB

                  • memory/2168-22-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-18-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-4-0x0000000074CA0000-0x0000000075450000-memory.dmp
                    Filesize

                    7.7MB

                  • memory/2168-10-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-7-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-64-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-58-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-56-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-54-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-52-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-42-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-20-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-17-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-8-0x00000000059F0000-0x0000000005A05000-memory.dmp
                    Filesize

                    84KB

                  • memory/2168-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
                    Filesize

                    4KB

                  • memory/2168-1-0x0000000000AE0000-0x0000000000F32000-memory.dmp
                    Filesize

                    4.3MB

                  • memory/2168-2-0x0000000005950000-0x00000000059EC000-memory.dmp
                    Filesize

                    624KB

                  • memory/4008-166-0x0000000000400000-0x0000000000472000-memory.dmp
                    Filesize

                    456KB

                  • memory/4008-167-0x0000000005400000-0x00000000059A4000-memory.dmp
                    Filesize

                    5.6MB

                  • memory/4008-168-0x0000000004EF0000-0x0000000004F82000-memory.dmp
                    Filesize

                    584KB

                  • memory/4008-169-0x0000000005090000-0x000000000509A000-memory.dmp
                    Filesize

                    40KB

                  • memory/4008-173-0x0000000008130000-0x0000000008748000-memory.dmp
                    Filesize

                    6.1MB

                  • memory/4008-175-0x0000000007CF0000-0x0000000007D02000-memory.dmp
                    Filesize

                    72KB

                  • memory/4008-174-0x0000000007DA0000-0x0000000007EAA000-memory.dmp
                    Filesize

                    1.0MB

                  • memory/4008-176-0x0000000007D50000-0x0000000007D8C000-memory.dmp
                    Filesize

                    240KB

                  • memory/4008-177-0x0000000007EB0000-0x0000000007EFC000-memory.dmp
                    Filesize

                    304KB

                  • memory/4456-141-0x00000000025E0000-0x00000000025E1000-memory.dmp
                    Filesize

                    4KB

                  • memory/4644-146-0x0000000000400000-0x0000000000596000-memory.dmp
                    Filesize

                    1.6MB

                  • memory/4644-178-0x0000000000400000-0x0000000000596000-memory.dmp
                    Filesize

                    1.6MB