Analysis

  • max time kernel
    119s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-10-2021 16:49

General

  • Target

    FOXHACK.exe

  • Size

    382KB

  • MD5

    86c9be05837dc4a0b8b6ba2f8e8a3f25

  • SHA1

    fe5f1eea4033ecf270975558366e765361e2ff49

  • SHA256

    00434cf035cd254f54f84ef5250abc0ecf0ec88d4606fd13ba45ce4cf3b70f5b

  • SHA512

    d3ee968bece33d2e3a5808d59a9a083c0d11baeaf9cfb9e7ce907b063885e5d36587457824674b8579286360e5f9aaace6f53401a0c7aaca190511fafb2b163a

Malware Config

Extracted

Family

redline

Botnet

Mex2110

C2

109.248.11.240:17314

Signatures

  • RedLine

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

  • RedLine Payload 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
    "C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
      C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
      2⤵
        PID:2328
      • C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
        C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1080

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FOXHACK.exe.log

      MD5

      41fbed686f5700fc29aaccf83e8ba7fd

      SHA1

      5271bc29538f11e42a3b600c8dc727186e912456

      SHA256

      df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

      SHA512

      234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

    • memory/1080-130-0x0000000005490000-0x0000000005491000-memory.dmp

      Filesize

      4KB

    • memory/1080-121-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/1080-127-0x00000000053F0000-0x00000000053F1000-memory.dmp

      Filesize

      4KB

    • memory/1080-138-0x0000000007DC0000-0x0000000007DC1000-memory.dmp

      Filesize

      4KB

    • memory/1080-128-0x0000000005520000-0x0000000005521000-memory.dmp

      Filesize

      4KB

    • memory/1080-122-0x0000000000418536-mapping.dmp

    • memory/1080-137-0x0000000006FD0000-0x0000000006FD1000-memory.dmp

      Filesize

      4KB

    • memory/1080-129-0x0000000005450000-0x0000000005451000-memory.dmp

      Filesize

      4KB

    • memory/1080-136-0x00000000063B0000-0x00000000063B1000-memory.dmp

      Filesize

      4KB

    • memory/1080-134-0x00000000058E0000-0x00000000058E1000-memory.dmp

      Filesize

      4KB

    • memory/1080-126-0x00000000059B0000-0x00000000059B1000-memory.dmp

      Filesize

      4KB

    • memory/1080-131-0x00000000053A0000-0x00000000059A6000-memory.dmp

      Filesize

      6.0MB

    • memory/3488-115-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/3488-118-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

      Filesize

      4KB

    • memory/3488-119-0x00000000050A0000-0x00000000050A1000-memory.dmp

      Filesize

      4KB

    • memory/3488-117-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

      Filesize

      4KB

    • memory/3488-120-0x00000000055B0000-0x00000000055B1000-memory.dmp

      Filesize

      4KB