Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04-11-2020 06:32

General

  • Target

    e7115ecd83d3ff2ecc8acc6e54b22d88.exe

  • Size

    559KB

  • MD5

    e7115ecd83d3ff2ecc8acc6e54b22d88

  • SHA1

    c0b3272d41db9478bf5bb4d3bb2ab3065d03b259

  • SHA256

    111ea9ab83c239454654597caefb2232929b96d9d24dd88aef5489e42bb48ce3

  • SHA512

    7ff4a298c8329c7229948e97d725de444e0778bcc9d816431f77e181891dbb67f5a5ecd573291eb725a6a4fc99fa7ac75a98ec8e36f91459ccecf5b5ae717de1

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 44 IoCs
  • Executes dropped EXE 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7115ecd83d3ff2ecc8acc6e54b22d88.exe
    "C:\Users\Admin\AppData\Local\Temp\e7115ecd83d3ff2ecc8acc6e54b22d88.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      PID:1896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 528
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3680
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 508
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 996
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 980
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    651026d3f1f58ca2718cac5272a53192

    SHA1

    f975cb02d4f348ae6cd3fd112b746445bd653e87

    SHA256

    fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931

    SHA512

    9fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3

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

    MD5

    651026d3f1f58ca2718cac5272a53192

    SHA1

    f975cb02d4f348ae6cd3fd112b746445bd653e87

    SHA256

    fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931

    SHA512

    9fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3

  • memory/676-72-0x0000000005000000-0x0000000005001000-memory.dmp

    Filesize

    4KB

  • memory/676-62-0x00000000048D0000-0x00000000048D1000-memory.dmp

    Filesize

    4KB

  • memory/980-0-0x000000000313B000-0x000000000313D000-memory.dmp

    Filesize

    8KB

  • memory/980-1-0x0000000004F10000-0x0000000004F11000-memory.dmp

    Filesize

    4KB

  • memory/1896-37-0x0000000004160000-0x0000000004182000-memory.dmp

    Filesize

    136KB

  • memory/1896-78-0x0000000000000000-mapping.dmp

  • memory/1896-8-0x0000000072430000-0x0000000072B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1896-79-0x00000000079E0000-0x00000000079E1000-memory.dmp

    Filesize

    4KB

  • memory/1896-77-0x0000000000000000-mapping.dmp

  • memory/1896-13-0x0000000000000000-mapping.dmp

  • memory/1896-12-0x0000000000000000-mapping.dmp

  • memory/1896-14-0x0000000000000000-mapping.dmp

  • memory/1896-15-0x0000000000000000-mapping.dmp

  • memory/1896-16-0x0000000000000000-mapping.dmp

  • memory/1896-40-0x0000000004340000-0x0000000004341000-memory.dmp

    Filesize

    4KB

  • memory/1896-18-0x0000000000000000-mapping.dmp

  • memory/1896-19-0x0000000000000000-mapping.dmp

  • memory/1896-44-0x0000000007750000-0x0000000007751000-memory.dmp

    Filesize

    4KB

  • memory/1896-21-0x0000000000000000-mapping.dmp

  • memory/1896-76-0x0000000000000000-mapping.dmp

  • memory/1896-25-0x0000000000000000-mapping.dmp

  • memory/1896-26-0x0000000000000000-mapping.dmp

  • memory/1896-27-0x0000000000000000-mapping.dmp

  • memory/1896-28-0x0000000000000000-mapping.dmp

  • memory/1896-29-0x0000000000000000-mapping.dmp

  • memory/1896-75-0x0000000000000000-mapping.dmp

  • memory/1896-32-0x0000000000000000-mapping.dmp

  • memory/1896-31-0x0000000000000000-mapping.dmp

  • memory/1896-33-0x0000000000000000-mapping.dmp

  • memory/1896-34-0x0000000000000000-mapping.dmp

  • memory/1896-35-0x00000000040E0000-0x0000000004104000-memory.dmp

    Filesize

    144KB

  • memory/1896-36-0x00000000069D0000-0x00000000069D1000-memory.dmp

    Filesize

    4KB

  • memory/1896-6-0x00000000040E0000-0x00000000040E1000-memory.dmp

    Filesize

    4KB

  • memory/1896-38-0x0000000006ED0000-0x0000000006ED1000-memory.dmp

    Filesize

    4KB

  • memory/1896-39-0x0000000004470000-0x0000000004471000-memory.dmp

    Filesize

    4KB

  • memory/1896-7-0x0000000004370000-0x0000000004371000-memory.dmp

    Filesize

    4KB

  • memory/1896-20-0x0000000000000000-mapping.dmp

  • memory/1896-74-0x0000000000000000-mapping.dmp

  • memory/1896-50-0x0000000000000000-mapping.dmp

  • memory/1896-49-0x0000000000000000-mapping.dmp

  • memory/1896-51-0x0000000000000000-mapping.dmp

  • memory/1896-53-0x0000000000000000-mapping.dmp

  • memory/1896-52-0x0000000000000000-mapping.dmp

  • memory/1896-54-0x0000000000000000-mapping.dmp

  • memory/1896-73-0x0000000000000000-mapping.dmp

  • memory/1896-57-0x0000000000000000-mapping.dmp

  • memory/1896-56-0x0000000000000000-mapping.dmp

  • memory/1896-58-0x0000000000000000-mapping.dmp

  • memory/1896-59-0x0000000000000000-mapping.dmp

  • memory/1896-60-0x0000000000000000-mapping.dmp

  • memory/1896-61-0x00000000044D0000-0x00000000044D1000-memory.dmp

    Filesize

    4KB

  • memory/1896-5-0x00000000023FC000-0x00000000023FD000-memory.dmp

    Filesize

    4KB

  • memory/1896-66-0x0000000000000000-mapping.dmp

  • memory/1896-65-0x0000000000000000-mapping.dmp

  • memory/1896-67-0x0000000000000000-mapping.dmp

  • memory/1896-68-0x0000000000000000-mapping.dmp

  • memory/1896-69-0x0000000000000000-mapping.dmp

  • memory/1896-70-0x0000000000000000-mapping.dmp

  • memory/1896-71-0x0000000000000000-mapping.dmp

  • memory/1896-2-0x0000000000000000-mapping.dmp

  • memory/2104-55-0x00000000046C0000-0x00000000046C1000-memory.dmp

    Filesize

    4KB

  • memory/2104-46-0x0000000004380000-0x0000000004381000-memory.dmp

    Filesize

    4KB

  • memory/2608-30-0x0000000005220000-0x0000000005221000-memory.dmp

    Filesize

    4KB

  • memory/2608-22-0x0000000004A70000-0x0000000004A71000-memory.dmp

    Filesize

    4KB

  • memory/3680-17-0x0000000005130000-0x0000000005131000-memory.dmp

    Filesize

    4KB

  • memory/3680-9-0x0000000004B00000-0x0000000004B01000-memory.dmp

    Filesize

    4KB

  • memory/3680-10-0x0000000004B00000-0x0000000004B01000-memory.dmp

    Filesize

    4KB