Analysis

  • max time kernel
    67s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2023 19:43

General

  • Target

    b5b7c12f94ab354fc282072013762174a75b2fec2028b463364ffaaa6ee1638c.exe

  • Size

    534KB

  • MD5

    59a14109de4fe602d81444675c535afc

  • SHA1

    be40484e9ec6fcaef5cce72ae599ddfef9f0a809

  • SHA256

    b5b7c12f94ab354fc282072013762174a75b2fec2028b463364ffaaa6ee1638c

  • SHA512

    93a3ada0688a91baeabe7fe3afff82636c0fb0c9da65e0a7d583e15ee02d0186ed4e76253a78c532b5f0f4ae408e18aa08d88d9736f873d7a87f24d4c88ddd8d

  • SSDEEP

    12288:DMrQy900zwtyvgmcA1PA1v8ObnrfUJbRrezoyVT:7y5RoI1PSbuNezoyR

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

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\b5b7c12f94ab354fc282072013762174a75b2fec2028b463364ffaaa6ee1638c.exe
    "C:\Users\Admin\AppData\Local\Temp\b5b7c12f94ab354fc282072013762174a75b2fec2028b463364ffaaa6ee1638c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY7803.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY7803.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1496
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr469895.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr469895.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:800
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku856635.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku856635.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1332
          4⤵
          • Program crash
          PID:640
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr670608.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr670608.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2796 -ip 2796
    1⤵
      PID:424

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr670608.exe
      Filesize

      175KB

      MD5

      e414ca443b00c65e8e5e200c6ad353f7

      SHA1

      884328edc9856573ecf7ad6f2836ec6675169e52

      SHA256

      1d3e8ab4c8f73d87da39c2b542375986333a2a790bb394d90bd9e7dada641a24

      SHA512

      b240bbd616cb9d62e0f52810ba1699e39c301768304131b5e044151613e674af37bc7e17727e08aa00749d477f046e6adb878515d3e5f7c3539113a5ebcefba7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr670608.exe
      Filesize

      175KB

      MD5

      e414ca443b00c65e8e5e200c6ad353f7

      SHA1

      884328edc9856573ecf7ad6f2836ec6675169e52

      SHA256

      1d3e8ab4c8f73d87da39c2b542375986333a2a790bb394d90bd9e7dada641a24

      SHA512

      b240bbd616cb9d62e0f52810ba1699e39c301768304131b5e044151613e674af37bc7e17727e08aa00749d477f046e6adb878515d3e5f7c3539113a5ebcefba7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY7803.exe
      Filesize

      392KB

      MD5

      7b80a73cdcfe47c8858cff7439f21439

      SHA1

      5118f1f0fe93c1f67aa6f6afbc554a292f2c3c08

      SHA256

      edd0e583661ff6831f5d32ca7a0c3f8ce014536f60a5bc9fb701985ad5e1607f

      SHA512

      eb9bdcd56d727e419db6d800e135583db8d24091ad95c0fd2f35b216c494c7a906012d99a29fd8358d95fc7fedf384530b815685c0c853b533723a57471345df

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirY7803.exe
      Filesize

      392KB

      MD5

      7b80a73cdcfe47c8858cff7439f21439

      SHA1

      5118f1f0fe93c1f67aa6f6afbc554a292f2c3c08

      SHA256

      edd0e583661ff6831f5d32ca7a0c3f8ce014536f60a5bc9fb701985ad5e1607f

      SHA512

      eb9bdcd56d727e419db6d800e135583db8d24091ad95c0fd2f35b216c494c7a906012d99a29fd8358d95fc7fedf384530b815685c0c853b533723a57471345df

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr469895.exe
      Filesize

      11KB

      MD5

      52e71135035f5a609b22d73a7219c25d

      SHA1

      48b934fecdf955427d892fecb908e7cdf8c3353a

      SHA256

      f4c0bf60bd105b1e41b672dd68687b01c170ff83dcd73160744b836a8b721bf3

      SHA512

      4618e2bb1ec8710ec62d5f6bf1b0908180e08c6112989765baa502043e58054d8d98a382014f0d0dde50509f0d0fd736d79499f1ced371ff705f7f5e090121d6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr469895.exe
      Filesize

      11KB

      MD5

      52e71135035f5a609b22d73a7219c25d

      SHA1

      48b934fecdf955427d892fecb908e7cdf8c3353a

      SHA256

      f4c0bf60bd105b1e41b672dd68687b01c170ff83dcd73160744b836a8b721bf3

      SHA512

      4618e2bb1ec8710ec62d5f6bf1b0908180e08c6112989765baa502043e58054d8d98a382014f0d0dde50509f0d0fd736d79499f1ced371ff705f7f5e090121d6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku856635.exe
      Filesize

      318KB

      MD5

      eb691dc37b5548a1a6d96b641112b7cd

      SHA1

      dd86d68b9e13695df5ecbd0c65428e3ea3481a64

      SHA256

      0f95062f8901b99c3d8cd79cf73da14ea3f277ceb2015a4d949648676e67f6cf

      SHA512

      7fe666b7c93a65f2f6877dcf16d2e4539c2c7953586f31d7da98683ec66883b0ab11092cb3ea46bce419952fa95a52e13b6a382a4bf490dbd730c4ce97581728

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku856635.exe
      Filesize

      318KB

      MD5

      eb691dc37b5548a1a6d96b641112b7cd

      SHA1

      dd86d68b9e13695df5ecbd0c65428e3ea3481a64

      SHA256

      0f95062f8901b99c3d8cd79cf73da14ea3f277ceb2015a4d949648676e67f6cf

      SHA512

      7fe666b7c93a65f2f6877dcf16d2e4539c2c7953586f31d7da98683ec66883b0ab11092cb3ea46bce419952fa95a52e13b6a382a4bf490dbd730c4ce97581728

    • memory/800-147-0x0000000000870000-0x000000000087A000-memory.dmp
      Filesize

      40KB

    • memory/2796-153-0x0000000004CB0000-0x0000000005254000-memory.dmp
      Filesize

      5.6MB

    • memory/2796-154-0x0000000000630000-0x000000000067B000-memory.dmp
      Filesize

      300KB

    • memory/2796-155-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-156-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-157-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-158-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-159-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-161-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-163-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-165-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-167-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-169-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-171-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-175-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-173-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-177-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-179-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-181-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-183-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-185-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-187-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-189-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-191-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-193-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-195-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-197-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-199-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-201-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-203-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-205-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-207-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-213-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-211-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-209-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-215-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-217-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-219-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-221-0x0000000002610000-0x000000000264F000-memory.dmp
      Filesize

      252KB

    • memory/2796-1064-0x0000000005260000-0x0000000005878000-memory.dmp
      Filesize

      6.1MB

    • memory/2796-1065-0x00000000058A0000-0x00000000059AA000-memory.dmp
      Filesize

      1.0MB

    • memory/2796-1066-0x00000000059E0000-0x00000000059F2000-memory.dmp
      Filesize

      72KB

    • memory/2796-1067-0x0000000005A00000-0x0000000005A3C000-memory.dmp
      Filesize

      240KB

    • memory/2796-1068-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-1070-0x0000000005CF0000-0x0000000005D56000-memory.dmp
      Filesize

      408KB

    • memory/2796-1071-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-1072-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-1073-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/2796-1074-0x00000000063A0000-0x0000000006432000-memory.dmp
      Filesize

      584KB

    • memory/2796-1075-0x00000000065B0000-0x0000000006772000-memory.dmp
      Filesize

      1.8MB

    • memory/2796-1076-0x0000000006790000-0x0000000006CBC000-memory.dmp
      Filesize

      5.2MB

    • memory/2796-1077-0x0000000006E10000-0x0000000006E86000-memory.dmp
      Filesize

      472KB

    • memory/2796-1078-0x0000000006E90000-0x0000000006EE0000-memory.dmp
      Filesize

      320KB

    • memory/2796-1079-0x0000000004CA0000-0x0000000004CB0000-memory.dmp
      Filesize

      64KB

    • memory/3452-1085-0x0000000000F30000-0x0000000000F62000-memory.dmp
      Filesize

      200KB

    • memory/3452-1086-0x0000000005B40000-0x0000000005B50000-memory.dmp
      Filesize

      64KB