Analysis

  • max time kernel
    80s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-01-2021 15:45

General

  • Target

    CryptoBotV2.3.exe

  • Size

    1.3MB

  • MD5

    f6e90d0cccd5b9c090165574e3c83be7

  • SHA1

    005cdbf60950dcdd5618e673d3dbdedf28edbe81

  • SHA256

    6a7344ee67ae3c5ace3ab584a1ef5d3f587a53dc06af099852e9f8d2a4df54bb

  • SHA512

    542eca0de5da924998dcdaafadb1eb57866b6f8cf309d51936c09c9be6ef51bf788817767ce8459a9cf31c3d135c9899e316c3af39b84b2536216ca60ab26d74

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CryptoBotV2.3.exe
    "C:\Users\Admin\AppData\Local\Temp\CryptoBotV2.3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\CryptoBotV2.3.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1036-8-0x000000000041F50E-mapping.dmp

  • memory/1036-7-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1036-9-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1036-10-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1036-11-0x00000000746F0000-0x0000000074DDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1636-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1636-3-0x0000000000E40000-0x0000000000E41000-memory.dmp

    Filesize

    4KB

  • memory/1636-5-0x0000000000350000-0x000000000035E000-memory.dmp

    Filesize

    56KB

  • memory/1636-6-0x0000000005650000-0x00000000056D8000-memory.dmp

    Filesize

    544KB