Analysis

  • max time kernel
    138s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/02/2023, 13:04

General

  • Target

    52ca7344eca2a4182a89126542d2e96854439e54c3aba73e2699046f0c31aedf.exe

  • Size

    551KB

  • MD5

    fef747038a6db99d89ee7a8c827faaeb

  • SHA1

    395fa04bd45d93b4d7e7de428c0cb0139e084d87

  • SHA256

    52ca7344eca2a4182a89126542d2e96854439e54c3aba73e2699046f0c31aedf

  • SHA512

    6a34ef7ce2c3aa36db92cdf1c9fbccab6bc3d6162ca86ac436a6875e2251495deb9d15e27afdbffb2ad49b08fd659d5c8cd61ffdbcc68e171a85d9bb704975de

  • SSDEEP

    12288:jMr0y90pdDVes6i+Ta7q7jA+KTYSeSqJ0J:DyCV6VTaG3UTYiJ

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes
  • auth_value

    a08b2f01bd2af756e38c5dd60e87e697

Extracted

Family

redline

Botnet

nocrypt

C2

176.113.115.17:4132

Attributes
  • auth_value

    4fc7cda1ab5883a6197f20f517ce2a8c

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52ca7344eca2a4182a89126542d2e96854439e54c3aba73e2699046f0c31aedf.exe
    "C:\Users\Admin\AppData\Local\Temp\52ca7344eca2a4182a89126542d2e96854439e54c3aba73e2699046f0c31aedf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWb87.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWb87.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmM06.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmM06.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2164
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cYp71NA.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cYp71NA.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3956
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dSg00.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dSg00.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:240
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 1084
        3⤵
        • Program crash
        PID:2072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 240 -ip 240
    1⤵
      PID:3608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dSg00.exe

      Filesize

      422KB

      MD5

      3c189136240dd7c0598e4108ccb4eee8

      SHA1

      90060a3f325f2aea6e43170ef941fd7af0d787ca

      SHA256

      3cb096cf07c7eb61f90f54f208d06a73fbc8d35b6cdc32e66af7746e1f7c44ef

      SHA512

      48047e53fc44eb1d62936907781de85268eff2618d9d4b5c94a0d3d97de59c6a8462cfde965a68963685888e088604da2599547a0ec009cdf6113e2e299aaa54

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dSg00.exe

      Filesize

      422KB

      MD5

      3c189136240dd7c0598e4108ccb4eee8

      SHA1

      90060a3f325f2aea6e43170ef941fd7af0d787ca

      SHA256

      3cb096cf07c7eb61f90f54f208d06a73fbc8d35b6cdc32e66af7746e1f7c44ef

      SHA512

      48047e53fc44eb1d62936907781de85268eff2618d9d4b5c94a0d3d97de59c6a8462cfde965a68963685888e088604da2599547a0ec009cdf6113e2e299aaa54

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWb87.exe

      Filesize

      202KB

      MD5

      a4d7f47f17e5fa9c6525da11537aac47

      SHA1

      e5fc801b9d8f789e5b1abd0dc60799cc04c7f5a3

      SHA256

      0a277b309019c9078ebca2355f7b7fcacb5f927a8f3426dbd2de7e24b39b85fa

      SHA512

      20c267dd791a2766df96de9fc92aa6957f2a42b73e0bb68f223ce1ff96b30e60d9652278f908a82e58a1a25c72a133e45949450a222fa0fd1529dd93d71abc12

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nWb87.exe

      Filesize

      202KB

      MD5

      a4d7f47f17e5fa9c6525da11537aac47

      SHA1

      e5fc801b9d8f789e5b1abd0dc60799cc04c7f5a3

      SHA256

      0a277b309019c9078ebca2355f7b7fcacb5f927a8f3426dbd2de7e24b39b85fa

      SHA512

      20c267dd791a2766df96de9fc92aa6957f2a42b73e0bb68f223ce1ff96b30e60d9652278f908a82e58a1a25c72a133e45949450a222fa0fd1529dd93d71abc12

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmM06.exe

      Filesize

      175KB

      MD5

      da6f3bef8abc85bd09f50783059964e3

      SHA1

      a0f25f60ec1896c4c920ea397f40e6ce29724322

      SHA256

      e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

      SHA512

      4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmM06.exe

      Filesize

      175KB

      MD5

      da6f3bef8abc85bd09f50783059964e3

      SHA1

      a0f25f60ec1896c4c920ea397f40e6ce29724322

      SHA256

      e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

      SHA512

      4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cYp71NA.exe

      Filesize

      175KB

      MD5

      30132c45c2305b287d96a3ad8158e9e3

      SHA1

      c89477868792dbfc6abeb3016e4fcc542b01bea1

      SHA256

      0cca99711baf600eb030bbfcf279faf74c564084e733df3d9e98bea3e4e2f45f

      SHA512

      1f6ccbaf0787c9bc61f568c4398374426961fc73ed7ea38c75e27d7025a9df6f93ea111297a6a02acdeea52845067e222e681f278dc7278d834fbbb6be98b74e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cYp71NA.exe

      Filesize

      175KB

      MD5

      30132c45c2305b287d96a3ad8158e9e3

      SHA1

      c89477868792dbfc6abeb3016e4fcc542b01bea1

      SHA256

      0cca99711baf600eb030bbfcf279faf74c564084e733df3d9e98bea3e4e2f45f

      SHA512

      1f6ccbaf0787c9bc61f568c4398374426961fc73ed7ea38c75e27d7025a9df6f93ea111297a6a02acdeea52845067e222e681f278dc7278d834fbbb6be98b74e

    • memory/240-160-0x0000000000400000-0x00000000006CC000-memory.dmp

      Filesize

      2.8MB

    • memory/240-157-0x0000000000814000-0x0000000000834000-memory.dmp

      Filesize

      128KB

    • memory/240-158-0x0000000000770000-0x000000000079D000-memory.dmp

      Filesize

      180KB

    • memory/240-159-0x0000000000400000-0x00000000006CC000-memory.dmp

      Filesize

      2.8MB

    • memory/2164-146-0x0000000006590000-0x0000000006752000-memory.dmp

      Filesize

      1.8MB

    • memory/2164-144-0x0000000006190000-0x0000000006222000-memory.dmp

      Filesize

      584KB

    • memory/2164-147-0x00000000072C0000-0x00000000077EC000-memory.dmp

      Filesize

      5.2MB

    • memory/2164-148-0x0000000006FC0000-0x0000000007036000-memory.dmp

      Filesize

      472KB

    • memory/2164-149-0x0000000006F40000-0x0000000006F90000-memory.dmp

      Filesize

      320KB

    • memory/2164-145-0x00000000067E0000-0x0000000006D84000-memory.dmp

      Filesize

      5.6MB

    • memory/2164-138-0x0000000000730000-0x0000000000762000-memory.dmp

      Filesize

      200KB

    • memory/2164-139-0x0000000005660000-0x0000000005C78000-memory.dmp

      Filesize

      6.1MB

    • memory/2164-143-0x0000000005E80000-0x0000000005EE6000-memory.dmp

      Filesize

      408KB

    • memory/2164-142-0x0000000005160000-0x000000000519C000-memory.dmp

      Filesize

      240KB

    • memory/2164-141-0x0000000005100000-0x0000000005112000-memory.dmp

      Filesize

      72KB

    • memory/2164-140-0x00000000051D0000-0x00000000052DA000-memory.dmp

      Filesize

      1.0MB

    • memory/3956-153-0x0000000000F90000-0x0000000000FC2000-memory.dmp

      Filesize

      200KB