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Analysis

  • max time kernel
    83s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2023, 08:51

General

  • Target

    57227a5ff0d5b98ec350b30fdfb15dfe847a501d960d300f5d00ae5eb5cfdf63.exe

  • Size

    569KB

  • MD5

    3d9b187eb0185f66ab6fc2ac7b7fd2eb

  • SHA1

    2b65c779729fb066387b42418ce33c571ad58642

  • SHA256

    57227a5ff0d5b98ec350b30fdfb15dfe847a501d960d300f5d00ae5eb5cfdf63

  • SHA512

    7b123e946e307a0efecba6c93e5a1e48a2ad6dc1b7e5b699b70872199a234db487d48ea80b190dc5c2b4027e01aaf1e169e8a6d71e0a39f69ed1d6b0abc2e5ad

  • SSDEEP

    12288:FMrey900ahimz7AuxqVP+crH2Sywzcr/fzha10U/8a:HyFsVAuxYPX2SlzYnNtU/7

Malware Config

Extracted

Family

redline

Botnet

mango

C2

193.233.20.28:4125

Attributes
  • auth_value

    ecf79d7f5227d998a3501c972d915d23

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 18 IoCs
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\57227a5ff0d5b98ec350b30fdfb15dfe847a501d960d300f5d00ae5eb5cfdf63.exe
    "C:\Users\Admin\AppData\Local\Temp\57227a5ff0d5b98ec350b30fdfb15dfe847a501d960d300f5d00ae5eb5cfdf63.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2933ox.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2933ox.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 1080
        3⤵
        • Program crash
        PID:1248
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72el91.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72el91.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1448 -ip 1448
    1⤵
      PID:568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2933ox.exe

      Filesize

      322KB

      MD5

      8141937b23cd1895e561d8e90fdeeff3

      SHA1

      6f810e9e480564f5837461f8ccdd07c951a1bece

      SHA256

      ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

      SHA512

      40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r2933ox.exe

      Filesize

      322KB

      MD5

      8141937b23cd1895e561d8e90fdeeff3

      SHA1

      6f810e9e480564f5837461f8ccdd07c951a1bece

      SHA256

      ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

      SHA512

      40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72el91.exe

      Filesize

      382KB

      MD5

      084bd8a8fbb93dd4f4fe78b1111bd9e2

      SHA1

      6cec443b0c4215de1ce8685f0e58c17a13f08b33

      SHA256

      aff53afbb407c1e40a0ba6585f686576edd4a13540f9d416bf152f94476588c5

      SHA512

      c01f18e421cfc6c9243110d34a5311552b568ccb4c71dd5342e30a8b8b5848860931389f265cc9e3ad57a3ea09519fcb6f7a40d99ff93fe284744b5c881837d2

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72el91.exe

      Filesize

      382KB

      MD5

      084bd8a8fbb93dd4f4fe78b1111bd9e2

      SHA1

      6cec443b0c4215de1ce8685f0e58c17a13f08b33

      SHA256

      aff53afbb407c1e40a0ba6585f686576edd4a13540f9d416bf152f94476588c5

      SHA512

      c01f18e421cfc6c9243110d34a5311552b568ccb4c71dd5342e30a8b8b5848860931389f265cc9e3ad57a3ea09519fcb6f7a40d99ff93fe284744b5c881837d2

    • memory/1448-141-0x0000000004B70000-0x0000000005114000-memory.dmp

      Filesize

      5.6MB

    • memory/1448-142-0x00000000005F0000-0x000000000061D000-memory.dmp

      Filesize

      180KB

    • memory/1448-144-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-146-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-145-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-143-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-149-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-147-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-151-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-153-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-155-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-157-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-159-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-161-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-163-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-165-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-167-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-169-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-171-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-173-0x0000000005140000-0x0000000005152000-memory.dmp

      Filesize

      72KB

    • memory/1448-174-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/1448-175-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-176-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-177-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/1448-179-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2288-184-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-185-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-187-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-189-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-191-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-193-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-195-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-197-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-199-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-201-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-203-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-205-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-207-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-209-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-211-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-213-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-215-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-217-0x0000000004B00000-0x0000000004B3E000-memory.dmp

      Filesize

      248KB

    • memory/2288-282-0x00000000005C0000-0x000000000060B000-memory.dmp

      Filesize

      300KB

    • memory/2288-286-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-283-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-287-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1094-0x0000000005120000-0x0000000005738000-memory.dmp

      Filesize

      6.1MB

    • memory/2288-1095-0x0000000005790000-0x000000000589A000-memory.dmp

      Filesize

      1.0MB

    • memory/2288-1096-0x00000000058D0000-0x00000000058E2000-memory.dmp

      Filesize

      72KB

    • memory/2288-1097-0x00000000058F0000-0x000000000592C000-memory.dmp

      Filesize

      240KB

    • memory/2288-1098-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1099-0x0000000005BE0000-0x0000000005C46000-memory.dmp

      Filesize

      408KB

    • memory/2288-1101-0x00000000062A0000-0x0000000006332000-memory.dmp

      Filesize

      584KB

    • memory/2288-1102-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1103-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1104-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1105-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/2288-1106-0x0000000007750000-0x00000000077C6000-memory.dmp

      Filesize

      472KB

    • memory/2288-1107-0x00000000077E0000-0x0000000007830000-memory.dmp

      Filesize

      320KB

    • memory/2288-1108-0x0000000007840000-0x0000000007A02000-memory.dmp

      Filesize

      1.8MB

    • memory/2288-1109-0x0000000007A50000-0x0000000007F7C000-memory.dmp

      Filesize

      5.2MB