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Analysis

  • max time kernel
    107s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 14:09

General

  • Target

    8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe

  • Size

    508KB

  • MD5

    53706e505c74b5bbcfb4165ee39b563b

  • SHA1

    9dc6a144f057d456aeeb7c32f274e440c24d8723

  • SHA256

    8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433

  • SHA512

    48a7c29d4387a6bf46327564b6f31f8c9f56f497698e7a0aa7a0cb85db2142271d40005dcfac69a914c3628f320af3087f3d9a328c521136b8f565239175584a

  • SSDEEP

    12288:rfjrKrGQ79tHMSv/giv/MOoEtzXtOGf4CXYyV:URbx

Malware Config

Extracted

Family

redline

Botnet

23/02

C2

65.108.20.226:37715

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe
    "C:\Users\Admin\AppData\Local\Temp\8a4620c027661d01fe46cc055f621000b7e6bb681c159e58cc0d59c681e06433.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath "C:"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1008
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1.exe

    Filesize

    184KB

    MD5

    a9bcd49121ed7219ff6e999eed91e93b

    SHA1

    67e4915719c093fbef4c1905be6fdfabbe56e4b4

    SHA256

    77037f726a454038961b431649353816034cfd351eff6a58be55fa2da87c7b5e

    SHA512

    a9c89fc02ff3e96901837225ea92ef80343e8994932c0a2edf643c72af0f303cf6c5732f9b4c299c0e0bd4221efa6687d0011fab5021f6b3da65d66cf5587828

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ubpiqs22.p5n.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/452-71-0x0000000005850000-0x0000000005862000-memory.dmp

    Filesize

    72KB

  • memory/452-69-0x00000000066B0000-0x0000000006CC8000-memory.dmp

    Filesize

    6.1MB

  • memory/452-74-0x0000000007350000-0x0000000007512000-memory.dmp

    Filesize

    1.8MB

  • memory/452-73-0x0000000005900000-0x000000000594C000-memory.dmp

    Filesize

    304KB

  • memory/452-70-0x00000000059B0000-0x0000000005ABA000-memory.dmp

    Filesize

    1.0MB

  • memory/452-72-0x00000000058B0000-0x00000000058EC000-memory.dmp

    Filesize

    240KB

  • memory/452-76-0x00000000072B0000-0x0000000007300000-memory.dmp

    Filesize

    320KB

  • memory/452-75-0x00000000083C0000-0x00000000088EC000-memory.dmp

    Filesize

    5.2MB

  • memory/452-78-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-68-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/452-67-0x0000000005800000-0x0000000005810000-memory.dmp

    Filesize

    64KB

  • memory/452-65-0x0000000005AE0000-0x0000000006084000-memory.dmp

    Filesize

    5.6MB

  • memory/452-66-0x00000000055D0000-0x0000000005662000-memory.dmp

    Filesize

    584KB

  • memory/452-64-0x0000000000CE0000-0x0000000000D14000-memory.dmp

    Filesize

    208KB

  • memory/452-63-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-20-0x0000000005FF0000-0x000000000600E000-memory.dmp

    Filesize

    120KB

  • memory/1008-34-0x0000000006600000-0x000000000661E000-memory.dmp

    Filesize

    120KB

  • memory/1008-37-0x0000000006FE0000-0x0000000007083000-memory.dmp

    Filesize

    652KB

  • memory/1008-35-0x0000000004A50000-0x0000000004A60000-memory.dmp

    Filesize

    64KB

  • memory/1008-39-0x0000000007320000-0x000000000733A000-memory.dmp

    Filesize

    104KB

  • memory/1008-38-0x0000000007960000-0x0000000007FDA000-memory.dmp

    Filesize

    6.5MB

  • memory/1008-40-0x0000000007390000-0x000000000739A000-memory.dmp

    Filesize

    40KB

  • memory/1008-41-0x00000000075A0000-0x0000000007636000-memory.dmp

    Filesize

    600KB

  • memory/1008-42-0x0000000007520000-0x0000000007531000-memory.dmp

    Filesize

    68KB

  • memory/1008-43-0x0000000007550000-0x000000000755E000-memory.dmp

    Filesize

    56KB

  • memory/1008-44-0x0000000007560000-0x0000000007574000-memory.dmp

    Filesize

    80KB

  • memory/1008-46-0x0000000007640000-0x0000000007648000-memory.dmp

    Filesize

    32KB

  • memory/1008-45-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/1008-49-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-24-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/1008-36-0x0000000004A50000-0x0000000004A60000-memory.dmp

    Filesize

    64KB

  • memory/1008-23-0x00000000065C0000-0x00000000065F2000-memory.dmp

    Filesize

    200KB

  • memory/1008-2-0x0000000004A60000-0x0000000004A96000-memory.dmp

    Filesize

    216KB

  • memory/1008-22-0x000000007F530000-0x000000007F540000-memory.dmp

    Filesize

    64KB

  • memory/1008-21-0x0000000006030000-0x000000000607C000-memory.dmp

    Filesize

    304KB

  • memory/1008-4-0x00000000050D0000-0x00000000056F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1008-19-0x00000000059A0000-0x0000000005CF4000-memory.dmp

    Filesize

    3.3MB

  • memory/1008-9-0x0000000005700000-0x0000000005766000-memory.dmp

    Filesize

    408KB

  • memory/1008-8-0x0000000005770000-0x00000000057D6000-memory.dmp

    Filesize

    408KB

  • memory/1008-7-0x0000000004F20000-0x0000000004F42000-memory.dmp

    Filesize

    136KB

  • memory/1008-6-0x0000000004A50000-0x0000000004A60000-memory.dmp

    Filesize

    64KB

  • memory/1008-5-0x0000000004A50000-0x0000000004A60000-memory.dmp

    Filesize

    64KB

  • memory/1008-3-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-62-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-0-0x00000000008B0000-0x0000000000934000-memory.dmp

    Filesize

    528KB