Analysis

  • max time kernel
    79s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2023, 20:54

General

  • Target

    31fa2886f668de5025c8389f8540a46e7762ef41ded481462416ceda3e427c07.exe

  • Size

    526KB

  • MD5

    2bc315815f30ca673c42852eb9f70c46

  • SHA1

    123665b7721b1bf2c80cbda8a1783ca57744e0df

  • SHA256

    31fa2886f668de5025c8389f8540a46e7762ef41ded481462416ceda3e427c07

  • SHA512

    93e0e2bdadd80507b9fa268aa8a7c2eecb3e97ad1be1daee54d90ed749f19fcfa0b4005162e6ed02bd52cdcf038dd557376ca397c64c38aea5fb5e390e739dfa

  • SSDEEP

    12288:IMrAy90hBhfQhV1HdIiqOChWyXuZ+1prRA6+9ukD:IyW/fsVUOChhXHpeL

Malware Config

Extracted

Family

redline

Botnet

fud

C2

193.233.20.27:4123

Attributes
  • auth_value

    cddc991efd6918ad5321d80dac884b40

Extracted

Family

redline

Botnet

fabio

C2

193.233.20.27:4123

Attributes
  • auth_value

    56b82736c3f56b13be8e64c87d2cf9e5

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.

  • RedLine payload 33 IoCs
  • 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 1 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31fa2886f668de5025c8389f8540a46e7762ef41ded481462416ceda3e427c07.exe
    "C:\Users\Admin\AppData\Local\Temp\31fa2886f668de5025c8389f8540a46e7762ef41ded481462416ceda3e427c07.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhfy4915yw.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhfy4915yw.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf41Qq05bi78.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf41Qq05bi78.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4268
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf69WY71se82.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf69WY71se82.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 1344
          4⤵
          • Program crash
          PID:2576
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uheh14kW23Vi.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uheh14kW23Vi.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4808 -ip 4808
    1⤵
      PID:4648

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uheh14kW23Vi.exe

      Filesize

      175KB

      MD5

      335f48344ef9923d915662b2f260b00b

      SHA1

      67948489307dde50a449298b957d5b5cbcd5704e

      SHA256

      b93521b9e07c726cdac33b3c51c3903270715f3e4b259dfac710c1eea1fed5d8

      SHA512

      9cbbcdbb81222f124b823a296ace7bf7f7ebc3e4662762659140bfea3088a7cd20feab4ae25e4a6593a75d1c859b9bcbf948ee0aab42770237d25741e0b40963

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uheh14kW23Vi.exe

      Filesize

      175KB

      MD5

      335f48344ef9923d915662b2f260b00b

      SHA1

      67948489307dde50a449298b957d5b5cbcd5704e

      SHA256

      b93521b9e07c726cdac33b3c51c3903270715f3e4b259dfac710c1eea1fed5d8

      SHA512

      9cbbcdbb81222f124b823a296ace7bf7f7ebc3e4662762659140bfea3088a7cd20feab4ae25e4a6593a75d1c859b9bcbf948ee0aab42770237d25741e0b40963

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhfy4915yw.exe

      Filesize

      382KB

      MD5

      758bf82855d4a57a64bdc95cb208db14

      SHA1

      ebca87ced489f7dee44934f08019246b69cb63c0

      SHA256

      7bd1918a98fa3515a93da822ab72a880a4c22facfe704aaa048b5263cebfd637

      SHA512

      9535be14008fae6b9e01d96bad6bcf386c887b20c8a3724d3ca180c5ee2ef2417eefab46f6f664f3460c54370a941ea36d8932b720ae8096ee9ddb6bb42d0f19

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhfy4915yw.exe

      Filesize

      382KB

      MD5

      758bf82855d4a57a64bdc95cb208db14

      SHA1

      ebca87ced489f7dee44934f08019246b69cb63c0

      SHA256

      7bd1918a98fa3515a93da822ab72a880a4c22facfe704aaa048b5263cebfd637

      SHA512

      9535be14008fae6b9e01d96bad6bcf386c887b20c8a3724d3ca180c5ee2ef2417eefab46f6f664f3460c54370a941ea36d8932b720ae8096ee9ddb6bb42d0f19

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf41Qq05bi78.exe

      Filesize

      11KB

      MD5

      ea130a0e7d62ffd43a0f29dd0141af9a

      SHA1

      e150260a7a9e43f11cb7434c28541b65a36b8f44

      SHA256

      e77ef407d5340d0e23e807b940ebb632a47877ac2aecac4fba8da704d782a858

      SHA512

      75c34d73cbe8e2c882d81da61c1259857bd201c5e716b17c6c89a300bb9b0b240c383857d06bb676cb55a9f6188e249551818d0627289600c4750e488d573b9a

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf41Qq05bi78.exe

      Filesize

      11KB

      MD5

      ea130a0e7d62ffd43a0f29dd0141af9a

      SHA1

      e150260a7a9e43f11cb7434c28541b65a36b8f44

      SHA256

      e77ef407d5340d0e23e807b940ebb632a47877ac2aecac4fba8da704d782a858

      SHA512

      75c34d73cbe8e2c882d81da61c1259857bd201c5e716b17c6c89a300bb9b0b240c383857d06bb676cb55a9f6188e249551818d0627289600c4750e488d573b9a

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf69WY71se82.exe

      Filesize

      292KB

      MD5

      bd407beaed8912f6f9f5b269e5a85686

      SHA1

      f9d8fc6c0a1ca9a1e0af1ca278f629994df04b1b

      SHA256

      3fb5f126878146985387aac28dc8b1c17d8ee6ae3630a0c754c135138180d367

      SHA512

      79eca3bfa76f241986888271cbcf4858a6eb2c729b1dbebcf000ae13b9fb1e981360c930e40c39437c027794ecce33d9302e6db93d65208ad6bb458aa1b2ff72

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf69WY71se82.exe

      Filesize

      292KB

      MD5

      bd407beaed8912f6f9f5b269e5a85686

      SHA1

      f9d8fc6c0a1ca9a1e0af1ca278f629994df04b1b

      SHA256

      3fb5f126878146985387aac28dc8b1c17d8ee6ae3630a0c754c135138180d367

      SHA512

      79eca3bfa76f241986888271cbcf4858a6eb2c729b1dbebcf000ae13b9fb1e981360c930e40c39437c027794ecce33d9302e6db93d65208ad6bb458aa1b2ff72

    • memory/2736-1085-0x0000000000BA0000-0x0000000000BD2000-memory.dmp

      Filesize

      200KB

    • memory/2736-1086-0x0000000005720000-0x0000000005730000-memory.dmp

      Filesize

      64KB

    • memory/4268-147-0x0000000000C00000-0x0000000000C0A000-memory.dmp

      Filesize

      40KB

    • memory/4808-189-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-201-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-155-0x0000000004C80000-0x0000000005224000-memory.dmp

      Filesize

      5.6MB

    • memory/4808-156-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-157-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-159-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-161-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-163-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-165-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-167-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-169-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-171-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-173-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-175-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-177-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-179-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-181-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-183-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-186-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-185-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-187-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-153-0x00000000006A0000-0x00000000006EB000-memory.dmp

      Filesize

      300KB

    • memory/4808-191-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-193-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-195-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-197-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-199-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-154-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-203-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-205-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-207-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-209-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-211-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-213-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-215-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-217-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-219-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-221-0x0000000004B60000-0x0000000004B9E000-memory.dmp

      Filesize

      248KB

    • memory/4808-1064-0x0000000005230000-0x0000000005848000-memory.dmp

      Filesize

      6.1MB

    • memory/4808-1065-0x0000000005850000-0x000000000595A000-memory.dmp

      Filesize

      1.0MB

    • memory/4808-1066-0x0000000005970000-0x0000000005982000-memory.dmp

      Filesize

      72KB

    • memory/4808-1067-0x00000000059D0000-0x0000000005A0C000-memory.dmp

      Filesize

      240KB

    • memory/4808-1068-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-1070-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-1071-0x0000000005C80000-0x0000000005D12000-memory.dmp

      Filesize

      584KB

    • memory/4808-1072-0x0000000005D20000-0x0000000005D86000-memory.dmp

      Filesize

      408KB

    • memory/4808-1073-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-1074-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB

    • memory/4808-1075-0x0000000006580000-0x0000000006742000-memory.dmp

      Filesize

      1.8MB

    • memory/4808-1076-0x0000000006760000-0x0000000006C8C000-memory.dmp

      Filesize

      5.2MB

    • memory/4808-1077-0x0000000006DB0000-0x0000000006E26000-memory.dmp

      Filesize

      472KB

    • memory/4808-1078-0x0000000006E50000-0x0000000006EA0000-memory.dmp

      Filesize

      320KB

    • memory/4808-1079-0x0000000004C70000-0x0000000004C80000-memory.dmp

      Filesize

      64KB