Resubmissions

27-10-2021 14:44

211027-r4madafbg6 10

27-10-2021 14:28

211027-rs7f6sfah4 10

Analysis

  • max time kernel
    119s
  • max time network
    152s
  • submitted
    01-01-1970 00:00

General

  • Target

    setup_installer/Wed0901eb1dae126e32.exe

Malware Config

Extracted

Family

redline

Botnet

chris

C2

194.104.136.5:46013

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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:356
    • C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe
      C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe
      2⤵
        PID:4424
      • C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe
        C:\Users\Admin\AppData\Local\Temp\setup_installer\Wed0901eb1dae126e32.exe
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4388

    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\Wed0901eb1dae126e32.exe.log
      MD5

      41fbed686f5700fc29aaccf83e8ba7fd

      SHA1

      5271bc29538f11e42a3b600c8dc727186e912456

      SHA256

      df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

      SHA512

      234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

    • memory/356-117-0x00000000056C0000-0x00000000056C1000-memory.dmp
      Filesize

      4KB

    • memory/356-118-0x00000000018E0000-0x00000000018E1000-memory.dmp
      Filesize

      4KB

    • memory/356-119-0x0000000005930000-0x0000000005931000-memory.dmp
      Filesize

      4KB

    • memory/356-120-0x0000000005E40000-0x0000000005E41000-memory.dmp
      Filesize

      4KB

    • memory/356-115-0x0000000000E10000-0x0000000000E11000-memory.dmp
      Filesize

      4KB

    • memory/4388-126-0x0000000005CA0000-0x0000000005CA1000-memory.dmp
      Filesize

      4KB

    • memory/4388-122-0x0000000000418D32-mapping.dmp
    • memory/4388-121-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/4388-127-0x0000000003560000-0x0000000003561000-memory.dmp
      Filesize

      4KB

    • memory/4388-128-0x00000000057A0000-0x00000000057A1000-memory.dmp
      Filesize

      4KB

    • memory/4388-129-0x00000000056D0000-0x00000000056D1000-memory.dmp
      Filesize

      4KB

    • memory/4388-130-0x0000000005710000-0x0000000005711000-memory.dmp
      Filesize

      4KB

    • memory/4388-131-0x0000000005690000-0x0000000005C96000-memory.dmp
      Filesize

      6MB

    • memory/4388-132-0x0000000005A10000-0x0000000005A11000-memory.dmp
      Filesize

      4KB

    • memory/4388-134-0x00000000065C0000-0x00000000065C1000-memory.dmp
      Filesize

      4KB

    • memory/4388-137-0x0000000007230000-0x0000000007231000-memory.dmp
      Filesize

      4KB

    • memory/4388-138-0x0000000007930000-0x0000000007931000-memory.dmp
      Filesize

      4KB