Analysis

  • max time kernel
    121s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 15:39

General

  • Target

    0bd4dae28b60c106ca2bf9da5e0e55a0.exe

  • Size

    383KB

  • MD5

    0bd4dae28b60c106ca2bf9da5e0e55a0

  • SHA1

    5a699e5c535e56028a901d3b34175db68c369d97

  • SHA256

    1b67816993c0da768b996b377f214fcffe8e831e98bcae28ca1f87c8204ad358

  • SHA512

    966b52eecf03f5eb9f24f6b7274cc96b5d5b099e7a99ca6a66b42c11498ff3ca0be01f515ebd4792f4ea62623fe1754376d86c91206f02ad26861b4bf73113a3

Malware Config

Extracted

Family

redline

Botnet

jjfuck

C2

135.181.129.119:4805

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\0bd4dae28b60c106ca2bf9da5e0e55a0.exe
    "C:\Users\Admin\AppData\Local\Temp\0bd4dae28b60c106ca2bf9da5e0e55a0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\0bd4dae28b60c106ca2bf9da5e0e55a0.exe
      C:\Users\Admin\AppData\Local\Temp\0bd4dae28b60c106ca2bf9da5e0e55a0.exe
      2⤵
        PID:3132
      • C:\Users\Admin\AppData\Local\Temp\0bd4dae28b60c106ca2bf9da5e0e55a0.exe
        C:\Users\Admin\AppData\Local\Temp\0bd4dae28b60c106ca2bf9da5e0e55a0.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0bd4dae28b60c106ca2bf9da5e0e55a0.exe.log
      MD5

      41fbed686f5700fc29aaccf83e8ba7fd

      SHA1

      5271bc29538f11e42a3b600c8dc727186e912456

      SHA256

      df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

      SHA512

      234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

    • memory/1112-130-0x0000000005270000-0x0000000005271000-memory.dmp
      Filesize

      4KB

    • memory/1112-135-0x0000000006180000-0x0000000006181000-memory.dmp
      Filesize

      4KB

    • memory/1112-128-0x0000000005150000-0x0000000005756000-memory.dmp
      Filesize

      6.0MB

    • memory/1112-129-0x0000000005230000-0x0000000005231000-memory.dmp
      Filesize

      4KB

    • memory/1112-121-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/1112-122-0x000000000041853E-mapping.dmp
    • memory/1112-125-0x0000000005760000-0x0000000005761000-memory.dmp
      Filesize

      4KB

    • memory/1112-126-0x00000000051D0000-0x00000000051D1000-memory.dmp
      Filesize

      4KB

    • memory/1112-127-0x0000000005300000-0x0000000005301000-memory.dmp
      Filesize

      4KB

    • memory/1112-138-0x0000000007BF0000-0x0000000007BF1000-memory.dmp
      Filesize

      4KB

    • memory/1112-137-0x0000000006F20000-0x0000000006F21000-memory.dmp
      Filesize

      4KB

    • memory/1112-136-0x0000000006AC0000-0x0000000006AC1000-memory.dmp
      Filesize

      4KB

    • memory/1112-133-0x0000000005D70000-0x0000000005D71000-memory.dmp
      Filesize

      4KB

    • memory/2092-118-0x0000000000D90000-0x0000000000D91000-memory.dmp
      Filesize

      4KB

    • memory/2092-115-0x00000000005C0000-0x00000000005C1000-memory.dmp
      Filesize

      4KB

    • memory/2092-120-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB

    • memory/2092-119-0x0000000005100000-0x0000000005101000-memory.dmp
      Filesize

      4KB

    • memory/2092-117-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
      Filesize

      4KB