Analysis

  • max time kernel
    52s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    30-10-2020 08:34

General

  • Target

    0f2226e742ca6240a0cf723a5712cca0.exe

  • Size

    1.8MB

  • MD5

    0f2226e742ca6240a0cf723a5712cca0

  • SHA1

    2f2f9b09a68f13872d543219f5bec824bda29768

  • SHA256

    f9606e3e6dda93ec347cb4de7181ec53d26c6cbf7936097502170935d3afe0df

  • SHA512

    9596f6410c5a6cd3cc8ac23d3b3911ff904d7d06d445229e41879105d183fd87cacfa31e647c3623c2c4cb1c1eb79878a28d84e6fac2b62a38b7cb257c2ee3bc

Malware Config

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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe
      "C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe"
      2⤵
        PID:940
      • C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe
        "C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3608
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Local\Temp\0f2226e742ca6240a0cf723a5712cca0.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 3
            4⤵
            • Runs ping.exe
            PID:2680

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Remote System Discovery

    1
    T1018

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0f2226e742ca6240a0cf723a5712cca0.exe.log
      MD5

      f5a4ac8b07bce81c5d29a6701317315b

      SHA1

      b2a2b7735c475f5d30a2d94251b4d7c4f511a57e

      SHA256

      e6a1b02dd813c1f29bfd8361a4fc7ca6f24d2e41d5c3a66258cb66f3cb902f5a

      SHA512

      83a82932a9395f13e346a5e3e7fd27ed6d5fb6d32b6838107c24318add4c74f199d974d6f33acb0f6aa670a19a544c672f420249c792e336452ad37f304e7dc0

    • memory/1824-28-0x0000000000000000-mapping.dmp
    • memory/2680-29-0x0000000000000000-mapping.dmp
    • memory/3372-0-0x0000000073940000-0x000000007402E000-memory.dmp
      Filesize

      6.9MB

    • memory/3372-1-0x0000000000D40000-0x0000000000D41000-memory.dmp
      Filesize

      4KB

    • memory/3372-3-0x0000000005A80000-0x0000000005ACA000-memory.dmp
      Filesize

      296KB

    • memory/3372-4-0x0000000005FD0000-0x0000000005FD1000-memory.dmp
      Filesize

      4KB

    • memory/3372-5-0x0000000005850000-0x0000000005866000-memory.dmp
      Filesize

      88KB

    • memory/3608-15-0x00000000053A0000-0x00000000053A1000-memory.dmp
      Filesize

      4KB

    • memory/3608-21-0x0000000006B80000-0x0000000006B81000-memory.dmp
      Filesize

      4KB

    • memory/3608-13-0x0000000005360000-0x0000000005361000-memory.dmp
      Filesize

      4KB

    • memory/3608-14-0x0000000005320000-0x0000000005321000-memory.dmp
      Filesize

      4KB

    • memory/3608-9-0x0000000073940000-0x000000007402E000-memory.dmp
      Filesize

      6.9MB

    • memory/3608-16-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB

    • memory/3608-17-0x0000000006890000-0x0000000006891000-memory.dmp
      Filesize

      4KB

    • memory/3608-18-0x0000000006F90000-0x0000000006F91000-memory.dmp
      Filesize

      4KB

    • memory/3608-19-0x0000000006A60000-0x0000000006A61000-memory.dmp
      Filesize

      4KB

    • memory/3608-12-0x0000000005930000-0x0000000005931000-memory.dmp
      Filesize

      4KB

    • memory/3608-22-0x0000000006B00000-0x0000000006B01000-memory.dmp
      Filesize

      4KB

    • memory/3608-23-0x0000000006ED0000-0x0000000006ED1000-memory.dmp
      Filesize

      4KB

    • memory/3608-24-0x00000000086E0000-0x0000000008779000-memory.dmp
      Filesize

      612KB

    • memory/3608-26-0x0000000008830000-0x0000000008831000-memory.dmp
      Filesize

      4KB

    • memory/3608-27-0x0000000008920000-0x0000000008921000-memory.dmp
      Filesize

      4KB

    • memory/3608-7-0x000000000042047A-mapping.dmp
    • memory/3608-6-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB