Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2023 13:22

General

  • Target

    Setup.exe

  • Size

    4.4MB

  • MD5

    4f31c6d06b709d02171faa87661b8643

  • SHA1

    2e1009ccca971cd0041b149314b11c2ac6522732

  • SHA256

    52a739dd0e8220be711b3938accc43e9236672b993a3ca486bf73adbeaf1c063

  • SHA512

    2fb7f560479f3c7ea95b440ad3b3428f78334361f8e9ccc4275d0f1d5bdf01cc13e6255173bf1e1eacbc89da1ba0f8cce6cf3739b35ec5ecc01f97d147a00208

  • SSDEEP

    49152:BqrfmDZ6Pfb+j93RxDThWSK/ZdwdWdZfX/fc/2eIxJZJlLR2BQ6pHUivTqTZB0zQ:Bqu6PkduB/i2ecR2BQJims2D

Malware Config

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:4112
  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2b9eef22

    Filesize

    768KB

    MD5

    88a1f02cc6b86090e06351507729e745

    SHA1

    4cd5cb53935f21c2af88c8b0b69d14cf08044372

    SHA256

    848af8e93ae1b132d71acda304b6c9a16dbcfcd3666f7f0e49b8be58bf2330d1

    SHA512

    e1c6ef3d920f4928116d11b5a5d64d054e9ec68d67fb1b01eb8141c6f18749505084f6bf423ef09061968cc2e5b619eb717be38ff5e7ddb64f906f372cb22373

  • memory/1544-31-0x0000000007E40000-0x0000000007E52000-memory.dmp

    Filesize

    72KB

  • memory/1544-35-0x0000000009570000-0x00000000095E6000-memory.dmp

    Filesize

    472KB

  • memory/1544-27-0x0000000007BE0000-0x0000000007C72000-memory.dmp

    Filesize

    584KB

  • memory/1544-28-0x0000000007E10000-0x0000000007E20000-memory.dmp

    Filesize

    64KB

  • memory/1544-26-0x00000000080B0000-0x0000000008654000-memory.dmp

    Filesize

    5.6MB

  • memory/1544-38-0x00000000096E0000-0x00000000096FE000-memory.dmp

    Filesize

    120KB

  • memory/1544-37-0x0000000009EC0000-0x000000000A3EC000-memory.dmp

    Filesize

    5.2MB

  • memory/1544-36-0x00000000097C0000-0x0000000009982000-memory.dmp

    Filesize

    1.8MB

  • memory/1544-20-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/1544-32-0x0000000007F70000-0x000000000807A000-memory.dmp

    Filesize

    1.0MB

  • memory/1544-24-0x0000000074200000-0x00000000749B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-25-0x0000000000D60000-0x0000000000DBA000-memory.dmp

    Filesize

    360KB

  • memory/1544-40-0x0000000074200000-0x00000000749B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-34-0x0000000008770000-0x00000000087D6000-memory.dmp

    Filesize

    408KB

  • memory/1544-33-0x0000000007EA0000-0x0000000007EDC000-memory.dmp

    Filesize

    240KB

  • memory/1544-29-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

    Filesize

    40KB

  • memory/1544-30-0x0000000008C80000-0x0000000009298000-memory.dmp

    Filesize

    6.1MB

  • memory/3012-18-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3012-13-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3012-21-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3012-17-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3012-15-0x00007FFB70590000-0x00007FFB70785000-memory.dmp

    Filesize

    2.0MB

  • memory/3460-8-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3460-12-0x0000000000400000-0x0000000000865000-memory.dmp

    Filesize

    4.4MB

  • memory/3460-10-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB

  • memory/3460-9-0x0000000072BC0000-0x0000000073E14000-memory.dmp

    Filesize

    18.3MB