Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 01:04

General

  • Target

    09570f445a9a80479957a36ea2e038800d5a01acf338793274f936c108f21f24.exe

  • Size

    1.9MB

  • MD5

    19dbb47666f2eb1bb2889c42fc2fd3db

  • SHA1

    0eeeef0203c5e51e07f521ff4d8d29a422319316

  • SHA256

    09570f445a9a80479957a36ea2e038800d5a01acf338793274f936c108f21f24

  • SHA512

    8311734676547436fc48423f7481ce1499003934cba291720b841779dbca9041914d58d9958f5b94a15a5c32e7c45ebea439886f0d51b61584280ebd7b782856

  • SSDEEP

    49152:YI4RI1ayrqA8h2uJeRoWHDyct4BhbXjz1xfc242:YbLUqDh2uiSS4BlXnbk2V

Malware Config

Extracted

Family

redline

Botnet

bild1

C2

193.233.132.169:37732

Signatures

  • RedLine

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09570f445a9a80479957a36ea2e038800d5a01acf338793274f936c108f21f24.exe
    "C:\Users\Admin\AppData\Local\Temp\09570f445a9a80479957a36ea2e038800d5a01acf338793274f936c108f21f24.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe
        work.exe -priverdD
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Users\Admin\AppData\Local\Temp\RarSFX1\feswa.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX1\feswa.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3252
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3524

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\1.bat
      Filesize

      35B

      MD5

      ff59d999beb970447667695ce3273f75

      SHA1

      316fa09f467ba90ac34a054daf2e92e6e2854ff8

      SHA256

      065d2b17ad499587dc9de7ee9ecda4938b45da1df388bc72e6627dff220f64d2

      SHA512

      d5ac72cb065a3cd3cb118a69a2f356314eeed24dcb4880751e1a3683895e66cedc62607967e29f77a0c27adf1c9fe0efd86e804f693f0a63a5b51b0bf0056b5d

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\work.exe
      Filesize

      1.6MB

      MD5

      db5af0b8f6e4bdb07b5bec9fb8de1b7f

      SHA1

      c13e24f41335e760a568f90866d12db7a6e22c40

      SHA256

      b7f10a2008a274bdff2ebcb2d62988346111eb4c599a0c0ad8f7a663e5829a3f

      SHA512

      c2a98ea04ceabab081f518d1d7ec64926e84767e6a34d09e9af407aab6b1fb82c8b983c29da2369646d6af9dddfa3ea893fe414615a67ff43a225fa32cd3caa8

    • C:\Users\Admin\AppData\Local\Temp\RarSFX1\feswa.exe
      Filesize

      1.3MB

      MD5

      28cbe77f47c6e613c90cf1b449051bf2

      SHA1

      f61c1774d50580f45fb5572f6692704450017422

      SHA256

      ec44944da55ed605aa11199b62fa6ba170155d4a67f263a75888c61b6648b813

      SHA512

      a622db347065565460c21b1b2eca70b4e5a4ee2ff8c97b7f955a96ed17c3791b0d0495b175580fddb661199f09524a1b6b75aaf5e2a2d33277f46cca75d55f07

    • C:\Users\Admin\AppData\Local\Temp\Tmp56C6.tmp
      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/3252-46-0x0000000006AD0000-0x0000000006AEE000-memory.dmp
      Filesize

      120KB

    • memory/3252-51-0x0000000006BA0000-0x0000000006BB2000-memory.dmp
      Filesize

      72KB

    • memory/3252-25-0x0000000005AB0000-0x0000000006054000-memory.dmp
      Filesize

      5.6MB

    • memory/3252-26-0x00000000055A0000-0x0000000005632000-memory.dmp
      Filesize

      584KB

    • memory/3252-27-0x0000000005740000-0x0000000005750000-memory.dmp
      Filesize

      64KB

    • memory/3252-28-0x0000000005560000-0x000000000556A000-memory.dmp
      Filesize

      40KB

    • memory/3252-23-0x0000000073090000-0x0000000073840000-memory.dmp
      Filesize

      7.7MB

    • memory/3252-45-0x00000000060E0000-0x0000000006156000-memory.dmp
      Filesize

      472KB

    • memory/3252-22-0x0000000000C70000-0x0000000001044000-memory.dmp
      Filesize

      3.8MB

    • memory/3252-49-0x0000000007110000-0x0000000007728000-memory.dmp
      Filesize

      6.1MB

    • memory/3252-50-0x0000000006C60000-0x0000000006D6A000-memory.dmp
      Filesize

      1.0MB

    • memory/3252-24-0x0000000000C70000-0x0000000001044000-memory.dmp
      Filesize

      3.8MB

    • memory/3252-52-0x0000000006C00000-0x0000000006C3C000-memory.dmp
      Filesize

      240KB

    • memory/3252-53-0x0000000006D70000-0x0000000006DBC000-memory.dmp
      Filesize

      304KB

    • memory/3252-55-0x0000000006EB0000-0x0000000006F16000-memory.dmp
      Filesize

      408KB

    • memory/3252-57-0x0000000000C70000-0x0000000001044000-memory.dmp
      Filesize

      3.8MB

    • memory/3252-60-0x0000000073090000-0x0000000073840000-memory.dmp
      Filesize

      7.7MB

    • memory/3252-61-0x0000000008960000-0x0000000008B22000-memory.dmp
      Filesize

      1.8MB

    • memory/3252-62-0x0000000009060000-0x000000000958C000-memory.dmp
      Filesize

      5.2MB

    • memory/3252-63-0x00000000088F0000-0x0000000008940000-memory.dmp
      Filesize

      320KB

    • memory/3252-66-0x0000000000C70000-0x0000000001044000-memory.dmp
      Filesize

      3.8MB

    • memory/3252-67-0x0000000073090000-0x0000000073840000-memory.dmp
      Filesize

      7.7MB