Analysis

  • max time kernel
    53s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 00:15

General

  • Target

    ku920385.exe

  • Size

    366KB

  • MD5

    1db7ddeeb37c9274f031263ad2022274

  • SHA1

    44377ce985b07caca113b40013179d5ff1ef0daf

  • SHA256

    7217e9e99079181fe3cf9464c7b36eb247b4ea22d07c0564a93aa4573c787a61

  • SHA512

    72f723dd4a3e54cfc7e48d2370d4d53501fc32aec70b79d8875ed5f75a990647bc38620c52fbad2976b997214a833ad734309a47c636a4b19a8c622012dcc47d

  • SSDEEP

    6144:47YgurjtL2SM3AE67+c5mTCNuhG6aCQs6xv8Icv:YCrjti13B0AnhbNQs6SIc

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Signatures

  • RedLine

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

  • RedLine payload 34 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ku920385.exe
    "C:\Users\Admin\AppData\Local\Temp\ku920385.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 1516
      2⤵
      • Program crash
      PID:2948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4960 -ip 4960
    1⤵
      PID:764

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4960-134-0x00000000024C0000-0x000000000250B000-memory.dmp

      Filesize

      300KB

    • memory/4960-135-0x0000000004F10000-0x00000000054B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4960-136-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-137-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-139-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-141-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-143-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-144-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-146-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-148-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-147-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-150-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-152-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-154-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-156-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-158-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-160-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-162-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-164-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-166-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-168-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-170-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-172-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-174-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-176-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-178-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-180-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-182-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-184-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-186-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-188-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-190-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-192-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-194-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-196-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-198-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-200-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-202-0x0000000004E30000-0x0000000004E6F000-memory.dmp

      Filesize

      252KB

    • memory/4960-1045-0x00000000054C0000-0x0000000005AD8000-memory.dmp

      Filesize

      6.1MB

    • memory/4960-1046-0x0000000005B00000-0x0000000005C0A000-memory.dmp

      Filesize

      1.0MB

    • memory/4960-1047-0x0000000005C40000-0x0000000005C52000-memory.dmp

      Filesize

      72KB

    • memory/4960-1048-0x0000000005C60000-0x0000000005C9C000-memory.dmp

      Filesize

      240KB

    • memory/4960-1049-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-1051-0x0000000005F50000-0x0000000005FE2000-memory.dmp

      Filesize

      584KB

    • memory/4960-1052-0x0000000005FF0000-0x0000000006056000-memory.dmp

      Filesize

      408KB

    • memory/4960-1053-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-1054-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-1055-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-1056-0x0000000006800000-0x00000000069C2000-memory.dmp

      Filesize

      1.8MB

    • memory/4960-1057-0x00000000069E0000-0x0000000006F0C000-memory.dmp

      Filesize

      5.2MB

    • memory/4960-1058-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/4960-1059-0x0000000007170000-0x00000000071E6000-memory.dmp

      Filesize

      472KB

    • memory/4960-1060-0x0000000007210000-0x0000000007260000-memory.dmp

      Filesize

      320KB