Analysis

  • max time kernel
    123s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 17:18

General

  • Target

    73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe

  • Size

    386KB

  • MD5

    27988be4a41feb2b8b37dedb6949e9f4

  • SHA1

    4bf776600242d676c07dab696999f13982f333ea

  • SHA256

    73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1

  • SHA512

    a4a0b3fb5730ffbf6de4a4261d06274b56fcc2c5d7c42c0731b43060a199ef166194648a52b34e4bf4cef7315c79f2a2ec1e7ae65c5d161766a5d3b6678df49a

Malware Config

Extracted

Family

redline

Botnet

james222

C2

135.181.129.119:4805

Signatures

  • RedLine

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

  • RedLine Payload 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe
    "C:\Users\Admin\AppData\Local\Temp\73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe
      C:\Users\Admin\AppData\Local\Temp\73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • memory/4000-120-0x0000000005590000-0x0000000005591000-memory.dmp
    Filesize

    4KB

  • memory/4000-121-0x00000000017F0000-0x00000000017F1000-memory.dmp
    Filesize

    4KB

  • memory/4000-122-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
    Filesize

    4KB

  • memory/4000-123-0x00000000057D0000-0x00000000057D1000-memory.dmp
    Filesize

    4KB

  • memory/4000-118-0x0000000000D10000-0x0000000000D11000-memory.dmp
    Filesize

    4KB

  • memory/4284-129-0x00000000056E0000-0x00000000056E1000-memory.dmp
    Filesize

    4KB

  • memory/4284-125-0x0000000000418B0E-mapping.dmp
  • memory/4284-124-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/4284-130-0x0000000002C20000-0x0000000002C21000-memory.dmp
    Filesize

    4KB

  • memory/4284-131-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/4284-132-0x00000000050D0000-0x00000000050D1000-memory.dmp
    Filesize

    4KB

  • memory/4284-133-0x0000000005150000-0x0000000005151000-memory.dmp
    Filesize

    4KB

  • memory/4284-134-0x00000000050D0000-0x00000000056D6000-memory.dmp
    Filesize

    6.0MB

  • memory/4284-137-0x0000000005E10000-0x0000000005E11000-memory.dmp
    Filesize

    4KB

  • memory/4284-139-0x00000000067F0000-0x00000000067F1000-memory.dmp
    Filesize

    4KB

  • memory/4284-140-0x0000000006960000-0x0000000006961000-memory.dmp
    Filesize

    4KB

  • memory/4284-141-0x0000000007750000-0x0000000007751000-memory.dmp
    Filesize

    4KB

  • memory/4284-142-0x0000000007E50000-0x0000000007E51000-memory.dmp
    Filesize

    4KB