Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 17:13

General

  • Target

    1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe

  • Size

    2.4MB

  • MD5

    06b916a433ba1d50af4ce9d8c522c51a

  • SHA1

    2f91f7983f7ca59ad067244ed48bd474d14092d9

  • SHA256

    1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf

  • SHA512

    13f31163b2d824703f00459cd5590ac5e5dc80e48dd70445ac8bcfd110f275954586bb88d5060ec93be2356c8324ae50b987b3afe37b2446e73a6c371170c21b

  • SSDEEP

    49152:HeRZ2k0TAxG+id+hzNXbOYdk3SCeUxhHbSZ93N/:HuLkl/ZOZ9R

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

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

5.42.67.8:50500

Signatures

  • Detect Vidar Stealer 5 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 1 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 7 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe
    "C:\Users\Admin\AppData\Local\Temp\1e5ae623d5d328e48149f954fb43d3a36cabe967e330abe3505e4a1d54fe12bf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4740
      • 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:2400
        • C:\ProgramData\EBFHJEGDAF.exe
          "C:\ProgramData\EBFHJEGDAF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4328
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:624
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:4284
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  4⤵
                    PID:4264
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 300
                    4⤵
                    • Program crash
                    PID:4116
                • C:\ProgramData\FBAAAKFCAF.exe
                  "C:\ProgramData\FBAAAKFCAF.exe"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1052
                • C:\ProgramData\FBFIDBFHDB.exe
                  "C:\ProgramData\FBFIDBFHDB.exe"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:2432
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    4⤵
                      PID:4152
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 272
                      4⤵
                      • Program crash
                      PID:3864
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AEGHJEGIEBFI" & exit
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2312
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 10
                      4⤵
                      • Delays execution with timeout.exe
                      PID:2016
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2552 -ip 2552
                1⤵
                  PID:2188
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2432 -ip 2432
                  1⤵
                    PID:3096

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\ProgramData\EBFHJEGDAF.exe

                    Filesize

                    1.8MB

                    MD5

                    9f7d8785aa5e359848ebe4d771f3de8d

                    SHA1

                    70161505853a4cb3b2dc7eb690bde8b0f23b4d82

                    SHA256

                    9cf43d480f6319717934b1a3f97682a4454c1742e2409aa416ba719e606c34ca

                    SHA512

                    b26659c8e24baf0b489198eb28aafa4e29b5728432f522d22202fb5c3d288bd2e33aec88feca1d84b56d42f2dbb369ef517c37815f2c216bae4722bd5dd7700e

                  • C:\ProgramData\FBAAAKFCAF.exe

                    Filesize

                    374KB

                    MD5

                    4adf8628310c11bc5929175855d16cb6

                    SHA1

                    10e2317fedbd27741212e89e0c2a1333bc775472

                    SHA256

                    6f1f0ff69f7bf28a1116549249353fcbf944d8d559aaf9c3ecefddb08e341106

                    SHA512

                    b3e5b61a6538fe9c14a40e9e144c0be6ea2b5b921d6f3158204a5ae408435191467a0d0054867199f4b0923d040d453f874ff1c004170aac57824171fe063734

                  • C:\ProgramData\FBFIDBFHDB.exe

                    Filesize

                    525KB

                    MD5

                    555259d9ac1f9da27667485bfc3ab9af

                    SHA1

                    59d61d0aa693f28ba68b0de8fd3b11dc206b76c4

                    SHA256

                    fa4491dbe5eb3d35c9f5884d746235769999d536d30033f4cf38633ce2343ede

                    SHA512

                    ee1e2b3ca43eff5384298c251f1f0b6184a8a892410f998e40202dbc1376da45a1af3643fd5f490c3cd3f1f5fd420759a121c892f969e016d2c0daf11209e45b

                  • memory/1052-163-0x0000000005650000-0x00000000056E2000-memory.dmp

                    Filesize

                    584KB

                  • memory/1052-162-0x0000000005B60000-0x0000000006104000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/1052-186-0x00000000094C0000-0x0000000009536000-memory.dmp

                    Filesize

                    472KB

                  • memory/1052-189-0x000000000AE10000-0x000000000B33C000-memory.dmp

                    Filesize

                    5.2MB

                  • memory/1052-184-0x00000000091D0000-0x0000000009236000-memory.dmp

                    Filesize

                    408KB

                  • memory/1052-183-0x0000000008580000-0x00000000085CC000-memory.dmp

                    Filesize

                    304KB

                  • memory/1052-160-0x0000000000C50000-0x0000000000CB2000-memory.dmp

                    Filesize

                    392KB

                  • memory/1052-161-0x0000000005490000-0x00000000054B0000-memory.dmp

                    Filesize

                    128KB

                  • memory/1052-182-0x0000000008410000-0x000000000844C000-memory.dmp

                    Filesize

                    240KB

                  • memory/1052-181-0x00000000083B0000-0x00000000083C2000-memory.dmp

                    Filesize

                    72KB

                  • memory/1052-187-0x0000000009440000-0x000000000945E000-memory.dmp

                    Filesize

                    120KB

                  • memory/1052-180-0x0000000008470000-0x000000000857A000-memory.dmp

                    Filesize

                    1.0MB

                  • memory/1052-179-0x0000000008940000-0x0000000008F58000-memory.dmp

                    Filesize

                    6.1MB

                  • memory/1052-188-0x0000000009DA0000-0x0000000009F62000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/1052-164-0x00000000055E0000-0x00000000055EA000-memory.dmp

                    Filesize

                    40KB

                  • memory/2400-84-0x0000000000400000-0x0000000000648000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2400-71-0x0000000000400000-0x0000000000648000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2400-66-0x0000000000400000-0x0000000000648000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2400-68-0x0000000000400000-0x0000000000648000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2400-185-0x0000000000400000-0x0000000000648000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2552-142-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4264-147-0x0000000000400000-0x0000000000596000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/4264-191-0x0000000000400000-0x0000000000596000-memory.dmp

                    Filesize

                    1.6MB

                  • memory/4652-55-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-37-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-25-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-23-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-21-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-17-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-15-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-13-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-11-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-7-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-6-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-51-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-41-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-31-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-19-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-72-0x0000000074BE0000-0x0000000075390000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4652-29-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-33-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-35-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-27-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-39-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-43-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-45-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-47-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-49-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-53-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

                    Filesize

                    4KB

                  • memory/4652-58-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-70-0x0000000074BE0000-0x0000000075390000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4652-59-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-61-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-63-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-65-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-9-0x0000000005120000-0x0000000005135000-memory.dmp

                    Filesize

                    84KB

                  • memory/4652-5-0x0000000005120000-0x000000000513C000-memory.dmp

                    Filesize

                    112KB

                  • memory/4652-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4652-3-0x0000000005260000-0x000000000532C000-memory.dmp

                    Filesize

                    816KB

                  • memory/4652-2-0x0000000005150000-0x00000000051EC000-memory.dmp

                    Filesize

                    624KB

                  • memory/4652-1-0x00000000004D0000-0x0000000000742000-memory.dmp

                    Filesize

                    2.4MB