Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-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

Signatures

  • Detect Vidar Stealer 5 IoCs
  • 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 57 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:3220
    • 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:3100
      • C:\ProgramData\EBGDAAKJJD.exe
        "C:\ProgramData\EBGDAAKJJD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:992
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1780
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 332
              4⤵
              • Program crash
              PID:4660
          • C:\ProgramData\CBAKJEHDBG.exe
            "C:\ProgramData\CBAKJEHDBG.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4476
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3688
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 340
                4⤵
                • Program crash
                PID:3232
            • C:\ProgramData\GDAAKKEHDH.exe
              "C:\ProgramData\GDAAKKEHDH.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:4784
                • 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:4732
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 320
                  4⤵
                  • Program crash
                  PID:4888
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKKEHIECFCAA" & exit
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1860
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1964
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2928 -ip 2928
            1⤵
              PID:3748
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 2124 -ip 2124
              1⤵
                PID:4592
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4476 -ip 4476
                1⤵
                  PID:1696

                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\CBAKJEHDBG.exe
                  Filesize

                  520KB

                  MD5

                  3900de86228c8f839d6d4b483794457b

                  SHA1

                  90e24676fd3ebcda8635704e762e83d3fbd9cfba

                  SHA256

                  00c4e525ffb64ff858bb8922e3ab46ee6d65c67a3fa7d9f3a614aaf1604f27e3

                  SHA512

                  5bd0c7f623a6a3c11091391c72868c4462525618164d40a28a19dc5913766b7ebb2878206b4077a7374de23562343748e27e4594ad5c56434fb9fff40e91f4dc

                • C:\ProgramData\EBGDAAKJJD.exe
                  Filesize

                  1.8MB

                  MD5

                  785a4d0ce6dee4c3bccd020a9d1b5ed9

                  SHA1

                  9d610511936fd60e388f344729c06a2db7479ade

                  SHA256

                  f5093c69b58ce1149d43a7ec268eba733115429e26ca23820571306571b31ead

                  SHA512

                  1fe0c987530a8183a0789f799bd949b1f8b2fb25bfc6110521dac5b68306f8e9c8028a952c9430b96a082c701760eade51a3112d9b8b04bf77f4c356d19d0f51

                • C:\ProgramData\GDAAKKEHDH.exe
                  Filesize

                  643KB

                  MD5

                  f03f43046831d8eee22e959770aaedf1

                  SHA1

                  3e63791066428f782286f4180f82631240326344

                  SHA256

                  04dbcbb46b56d4bff31ca8b58d398a90bca5f523a3ba6b8c7300e4ee19c54124

                  SHA512

                  128e942b7a1778385866e8ab336ef778d7e6248b037345c0d36dd8e8329ea7952956dc7ed30ee4af58fe22a319f26c28f7062916a07a4dcd3930d854cfc6f57e

                • memory/1780-179-0x0000000000400000-0x0000000000596000-memory.dmp
                  Filesize

                  1.6MB

                • memory/1780-147-0x0000000000400000-0x0000000000596000-memory.dmp
                  Filesize

                  1.6MB

                • memory/2928-143-0x00000000012D0000-0x00000000012D1000-memory.dmp
                  Filesize

                  4KB

                • memory/3100-86-0x0000000000400000-0x0000000000648000-memory.dmp
                  Filesize

                  2.3MB

                • memory/3100-69-0x0000000000400000-0x0000000000648000-memory.dmp
                  Filesize

                  2.3MB

                • memory/3100-173-0x0000000000400000-0x0000000000648000-memory.dmp
                  Filesize

                  2.3MB

                • memory/3100-67-0x0000000000400000-0x0000000000648000-memory.dmp
                  Filesize

                  2.3MB

                • memory/3100-72-0x0000000000400000-0x0000000000648000-memory.dmp
                  Filesize

                  2.3MB

                • memory/3220-3-0x0000000005930000-0x000000000593A000-memory.dmp
                  Filesize

                  40KB

                • memory/3220-20-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-71-0x0000000074580000-0x0000000074D31000-memory.dmp
                  Filesize

                  7.7MB

                • memory/3220-64-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-66-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-60-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-58-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-56-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-54-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-50-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-49-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-46-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-44-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-42-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-1-0x0000000000A70000-0x0000000000F2C000-memory.dmp
                  Filesize

                  4.7MB

                • memory/3220-38-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-36-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-34-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-32-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-24-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-27-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-28-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-40-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-62-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-6-0x00000000059A0000-0x00000000059BC000-memory.dmp
                  Filesize

                  112KB

                • memory/3220-16-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-12-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-11-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-8-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-52-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-30-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-0-0x000000007458E000-0x000000007458F000-memory.dmp
                  Filesize

                  4KB

                • memory/3220-18-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-5-0x0000000005C80000-0x0000000005DF4000-memory.dmp
                  Filesize

                  1.5MB

                • memory/3220-4-0x0000000074580000-0x0000000074D31000-memory.dmp
                  Filesize

                  7.7MB

                • memory/3220-7-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-2-0x0000000005AE0000-0x0000000005B7C000-memory.dmp
                  Filesize

                  624KB

                • memory/3220-22-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/3220-15-0x00000000059A0000-0x00000000059B5000-memory.dmp
                  Filesize

                  84KB

                • memory/4732-169-0x00000000056A0000-0x0000000005732000-memory.dmp
                  Filesize

                  584KB

                • memory/4732-170-0x0000000005610000-0x000000000561A000-memory.dmp
                  Filesize

                  40KB

                • memory/4732-168-0x0000000005C50000-0x00000000061F6000-memory.dmp
                  Filesize

                  5.6MB

                • memory/4732-174-0x00000000088B0000-0x0000000008EC8000-memory.dmp
                  Filesize

                  6.1MB

                • memory/4732-175-0x0000000008400000-0x000000000850A000-memory.dmp
                  Filesize

                  1.0MB

                • memory/4732-176-0x0000000008350000-0x0000000008362000-memory.dmp
                  Filesize

                  72KB

                • memory/4732-167-0x0000000000400000-0x0000000000472000-memory.dmp
                  Filesize

                  456KB

                • memory/4732-178-0x0000000008510000-0x000000000855C000-memory.dmp
                  Filesize

                  304KB

                • memory/4732-177-0x00000000083B0000-0x00000000083EC000-memory.dmp
                  Filesize

                  240KB