Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    28-12-2020 17:04

General

  • Target

    084717e75f1c84ccc8c29778bd4cab8d.exe

  • Size

    594KB

  • MD5

    084717e75f1c84ccc8c29778bd4cab8d

  • SHA1

    8b45073d398bdf8043994869eed4f8f32c505419

  • SHA256

    5d3305569be7fddd5756f39b8fc668091f800a731468707cf570c558f585c687

  • SHA512

    cc5374872eb604f1ebd8dec49075ad59df192b6e78cf4b3fdd06b6d1ed0611fac1274f4115a3b1f764287a2fe5f7b9cd6f7f3f0476368f3e6eaf09dd41487767

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\084717e75f1c84ccc8c29778bd4cab8d.exe
    "C:\Users\Admin\AppData\Local\Temp\084717e75f1c84ccc8c29778bd4cab8d.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe

    MD5

    ce62304c3eff639e1b2352667a569b8a

    SHA1

    5a5cb774b59befe102fe04e93d9853cfbda3334b

    SHA256

    e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62

    SHA512

    99d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41

  • C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe

    MD5

    ce62304c3eff639e1b2352667a569b8a

    SHA1

    5a5cb774b59befe102fe04e93d9853cfbda3334b

    SHA256

    e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62

    SHA512

    99d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41

  • memory/2172-10-0x00000000729F0000-0x00000000730DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-11-0x0000000006CF0000-0x0000000006D14000-memory.dmp

    Filesize

    144KB

  • memory/2172-18-0x000000000A0F0000-0x000000000A0F1000-memory.dmp

    Filesize

    4KB

  • memory/2172-7-0x0000000004DE7000-0x0000000004DE8000-memory.dmp

    Filesize

    4KB

  • memory/2172-8-0x0000000005270000-0x0000000005271000-memory.dmp

    Filesize

    4KB

  • memory/2172-9-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

    Filesize

    4KB

  • memory/2172-17-0x0000000009450000-0x0000000009451000-memory.dmp

    Filesize

    4KB

  • memory/2172-4-0x0000000000000000-mapping.dmp

  • memory/2172-12-0x00000000094F0000-0x00000000094F1000-memory.dmp

    Filesize

    4KB

  • memory/2172-13-0x0000000006D80000-0x0000000006DA2000-memory.dmp

    Filesize

    136KB

  • memory/2172-14-0x00000000099F0000-0x00000000099F1000-memory.dmp

    Filesize

    4KB

  • memory/2172-15-0x00000000093F0000-0x00000000093F1000-memory.dmp

    Filesize

    4KB

  • memory/2172-16-0x0000000006F70000-0x0000000006F71000-memory.dmp

    Filesize

    4KB

  • memory/4804-2-0x000000000515B000-0x000000000515C000-memory.dmp

    Filesize

    4KB

  • memory/4804-3-0x00000000053F0000-0x00000000053F1000-memory.dmp

    Filesize

    4KB