Analysis

  • max time kernel
    110s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-06-2022 15:32

General

  • Target

    78ac30db2617db407a39162d8bf963705cbffa575648b65ddeb26ff9431243e0.exe

  • Size

    290KB

  • MD5

    a268805ffcc0978922cbb3d250e16525

  • SHA1

    d16ac00d687f608e76cde95f87473c91b58679e0

  • SHA256

    78ac30db2617db407a39162d8bf963705cbffa575648b65ddeb26ff9431243e0

  • SHA512

    1163e1b1d69877cc6b43412269fdada33fd36dd94e461c2dc61f1a9046bd78c7da3d3b89964cc2332f47054256696bc295fcce9c67c4de1b41906d5555e4f75e

Malware Config

Extracted

Family

redline

Botnet

9-5

C2

139.99.32.83:43199

Attributes
  • auth_value

    637de2b47f42d9cc7912f71cb6b57b5b

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78ac30db2617db407a39162d8bf963705cbffa575648b65ddeb26ff9431243e0.exe
    "C:\Users\Admin\AppData\Local\Temp\78ac30db2617db407a39162d8bf963705cbffa575648b65ddeb26ff9431243e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 308
      2⤵
      • Program crash
      PID:1604
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
    1⤵
      PID:4340

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1344-140-0x0000000007A70000-0x0000000007AAC000-memory.dmp
      Filesize

      240KB

    • memory/1344-142-0x0000000005A20000-0x0000000005AB2000-memory.dmp
      Filesize

      584KB

    • memory/1344-148-0x0000000008FE0000-0x000000000950C000-memory.dmp
      Filesize

      5.2MB

    • memory/1344-137-0x0000000006100000-0x0000000006718000-memory.dmp
      Filesize

      6.1MB

    • memory/1344-138-0x0000000005FC0000-0x0000000005FD2000-memory.dmp
      Filesize

      72KB

    • memory/1344-139-0x0000000007B80000-0x0000000007C8A000-memory.dmp
      Filesize

      1.0MB

    • memory/1344-131-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1344-141-0x00000000059A0000-0x0000000005A16000-memory.dmp
      Filesize

      472KB

    • memory/1344-130-0x0000000000000000-mapping.dmp
    • memory/1344-143-0x0000000008500000-0x0000000008AA4000-memory.dmp
      Filesize

      5.6MB

    • memory/1344-144-0x0000000007CD0000-0x0000000007CEE000-memory.dmp
      Filesize

      120KB

    • memory/1344-145-0x0000000007F90000-0x0000000007FF6000-memory.dmp
      Filesize

      408KB

    • memory/1344-146-0x0000000008050000-0x00000000080A0000-memory.dmp
      Filesize

      320KB

    • memory/1344-147-0x0000000008270000-0x0000000008432000-memory.dmp
      Filesize

      1.8MB

    • memory/4892-136-0x000000000102B000-0x000000000102D000-memory.dmp
      Filesize

      8KB