Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 19:46

General

  • Target

    4ec07b8e03c6decbd6a69fd6205134cc.exe

  • Size

    137KB

  • MD5

    4ec07b8e03c6decbd6a69fd6205134cc

  • SHA1

    d7e39255e93b6b45e71accf53ae063973d317c79

  • SHA256

    3d41c549e3605066d3308fe88c6c4674840a2fae493f53ccd777f4c40744caf5

  • SHA512

    ecd9cb4b3ed871d31055d6670b9c7729c43f14015a310365de4b57493a56f8eaed290a74b01b81687747a3348da39c786783260076dbe4c43ec3d87cd18ba6e6

  • SSDEEP

    3072:bzWhTc8VndpIVANtDI0wMuedstt+R1ATIiQKRMs6x:byhTc8TpIVANtnwMuedTHAbRM

Malware Config

Extracted

Family

redline

Botnet

tst

C2

194.55.186.87:4483

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 5 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 SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ec07b8e03c6decbd6a69fd6205134cc.exe
    "C:\Users\Admin\AppData\Local\Temp\4ec07b8e03c6decbd6a69fd6205134cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #by-unknown
      2⤵
        PID:2196
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        #by-unknown
        2⤵
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2200

    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

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      Filesize

      342B

      MD5

      59b552f4700440cf7f16be23848be688

      SHA1

      6b74dc991efec9d94afdad5855f5111da276c998

      SHA256

      c190d148a0aabec52adb4a48847b244b8b74eca91951120fd0881ec47424f4fe

      SHA512

      490770a1ea0fa864197c69c7e8dfe6446f33bec001520e2c24312bbf4c9273c2e69a9bae322264d419308d653141955369395bd362ae43b480f29169d5d9ebeb

    • C:\Users\Admin\AppData\Local\Temp\Cab4433.tmp
      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar4572.tmp
      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\tmp4D20.tmp
      Filesize

      46KB

      MD5

      02d2c46697e3714e49f46b680b9a6b83

      SHA1

      84f98b56d49f01e9b6b76a4e21accf64fd319140

      SHA256

      522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

      SHA512

      60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

    • C:\Users\Admin\AppData\Local\Temp\tmp4D36.tmp
      Filesize

      92KB

      MD5

      cca646afddab881d02bb60864ff72e23

      SHA1

      25b462e62a0219857cc854f6433e8acea77e3dbc

      SHA256

      c7223e5de0b0db22b3e193b2d48215816c75472ccdf9330a0ab66d4731b2e49e

      SHA512

      c35da6cfe5e4a3f887a876b38b4e5b9e6d5c035cf8d6f20158f89ee14a196941fd6a29faa1f90f64cd253556536670773ec15cd358014d994483a8745c41587d

    • memory/2200-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2200-3-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-9-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-11-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-4-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-5-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-7-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/2200-2-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

    • memory/3028-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp
      Filesize

      4KB

    • memory/3028-1-0x0000000000BB0000-0x0000000000BD8000-memory.dmp
      Filesize

      160KB