Analysis

  • max time kernel
    149s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2023 10:10

General

  • Target

    NEAS.302ceae53a451101d91807b6240d3da3163f40859ccfebc36c77fbc58d3b6e0b.exe

  • Size

    522KB

  • MD5

    6f05f96135328d7cb8d213058542edce

  • SHA1

    da158e6385688ea97869bd5c2e5cfcbcd6c22840

  • SHA256

    302ceae53a451101d91807b6240d3da3163f40859ccfebc36c77fbc58d3b6e0b

  • SHA512

    9d6e169e6c0324d92a7e32602f3752193fda0ea72bb12798fad841b25c8bd82c6178f8591acdff7985f5d71ce259913138923774a7bdeff0ba68a47e3b78c684

  • SSDEEP

    12288:zMr3y90+/o/6TVw8LjGI4HmdrtKZsHoUW7n0t+cjFnM:4yJK6/jL4ian0cEM

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

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

  • RedLine payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.302ceae53a451101d91807b6240d3da3163f40859ccfebc36c77fbc58d3b6e0b.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.302ceae53a451101d91807b6240d3da3163f40859ccfebc36c77fbc58d3b6e0b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oV2xo28.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oV2xo28.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qI33Wy0.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qI33Wy0.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
            PID:2960
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            4⤵
              PID:4212
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 540
                5⤵
                • Program crash
                PID:3948
          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eq0513.exe
            C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eq0513.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3524
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              4⤵
                PID:4796
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7rk4Jv05.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7rk4Jv05.exe
            2⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3624
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "
              3⤵
                PID:1804
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4212 -ip 4212
            1⤵
              PID:2684

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7rk4Jv05.exe

              Filesize

              73KB

              MD5

              15ac74d2298e67d5a1f0cf50ef8650a4

              SHA1

              6e61715c878aeec8aa0b0692f22f9ba3064fc2e9

              SHA256

              bc7a068051cf9ab007ddcb98eb2320845cefe46a309d8140c1f07abbfda1d6ba

              SHA512

              861ed40b268db58d0793a0e2f93f183616b7b9388ebd84d93733ba17eb02ef79be6240a1fca8b4eed3f88baf0035548d26ccd776fa275be8c8769f6435fd0cc3

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7rk4Jv05.exe

              Filesize

              73KB

              MD5

              15ac74d2298e67d5a1f0cf50ef8650a4

              SHA1

              6e61715c878aeec8aa0b0692f22f9ba3064fc2e9

              SHA256

              bc7a068051cf9ab007ddcb98eb2320845cefe46a309d8140c1f07abbfda1d6ba

              SHA512

              861ed40b268db58d0793a0e2f93f183616b7b9388ebd84d93733ba17eb02ef79be6240a1fca8b4eed3f88baf0035548d26ccd776fa275be8c8769f6435fd0cc3

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oV2xo28.exe

              Filesize

              401KB

              MD5

              e485213cab83173f1edbffa57d6e0beb

              SHA1

              dc74a2b5408ea773f5bd224ce156ff2b74065f1a

              SHA256

              d49315ff1808414762e1da9e0a80130180e7998d23ca9aef748b3ce5e26c2dc0

              SHA512

              16b21ea0de97fd70d09b229fa0c2fc02ff7ab013896ac5acdb0d56b34b35aa917b326332be09768e3bdfb378e2557347e444a436e36d67e166f89b5ee482cf57

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oV2xo28.exe

              Filesize

              401KB

              MD5

              e485213cab83173f1edbffa57d6e0beb

              SHA1

              dc74a2b5408ea773f5bd224ce156ff2b74065f1a

              SHA256

              d49315ff1808414762e1da9e0a80130180e7998d23ca9aef748b3ce5e26c2dc0

              SHA512

              16b21ea0de97fd70d09b229fa0c2fc02ff7ab013896ac5acdb0d56b34b35aa917b326332be09768e3bdfb378e2557347e444a436e36d67e166f89b5ee482cf57

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qI33Wy0.exe

              Filesize

              319KB

              MD5

              936c5f7efa58552148f870c1e1334b71

              SHA1

              705d2bdc7597f4002c5a9960987c9c23bc73d0be

              SHA256

              2a21b15d158a40961b5cd5219b438e22cde589e5e6e65a8330136b4e467095ba

              SHA512

              32bfc1ee5642fe1921ca1ed500c6c9bab4913e198ffa5f81730d30280fc3f46f1fe1a206f66e8cf91622184a7a35626cad71ca0788143c0693118cddf31319c3

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qI33Wy0.exe

              Filesize

              319KB

              MD5

              936c5f7efa58552148f870c1e1334b71

              SHA1

              705d2bdc7597f4002c5a9960987c9c23bc73d0be

              SHA256

              2a21b15d158a40961b5cd5219b438e22cde589e5e6e65a8330136b4e467095ba

              SHA512

              32bfc1ee5642fe1921ca1ed500c6c9bab4913e198ffa5f81730d30280fc3f46f1fe1a206f66e8cf91622184a7a35626cad71ca0788143c0693118cddf31319c3

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eq0513.exe

              Filesize

              358KB

              MD5

              13dbc7d75a2f88028a861c7b8ecf8eb8

              SHA1

              43c5c152b3c6d9dcbb2f2c2467344764c779fefa

              SHA256

              41ecc89cd1021f9b465180be09e3451f97d48c1143b2c30ff6c5c8e371953e33

              SHA512

              aee7eec3e1297a22ab10ec19d17375e32f8bcb6bdebe23fdd434f6e5c4baf94d53dfecdfae68b2ef46afe73c89fb5fec911609096360f0051878c62746a7c751

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2eq0513.exe

              Filesize

              358KB

              MD5

              13dbc7d75a2f88028a861c7b8ecf8eb8

              SHA1

              43c5c152b3c6d9dcbb2f2c2467344764c779fefa

              SHA256

              41ecc89cd1021f9b465180be09e3451f97d48c1143b2c30ff6c5c8e371953e33

              SHA512

              aee7eec3e1297a22ab10ec19d17375e32f8bcb6bdebe23fdd434f6e5c4baf94d53dfecdfae68b2ef46afe73c89fb5fec911609096360f0051878c62746a7c751

            • C:\Users\Admin\AppData\Local\Temp\is64.bat

              Filesize

              181B

              MD5

              225edee1d46e0a80610db26b275d72fb

              SHA1

              ce206abf11aaf19278b72f5021cc64b1b427b7e8

              SHA256

              e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559

              SHA512

              4f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504

            • C:\Users\Admin\AppData\Local\Temp\is64.txt

              Filesize

              3B

              MD5

              a5ea0ad9260b1550a14cc58d2c39b03d

              SHA1

              f0aedf295071ed34ab8c6a7692223d22b6a19841

              SHA256

              f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04

              SHA512

              7c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74

            • memory/4212-15-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4212-18-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4212-16-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4212-14-0x0000000000400000-0x0000000000433000-memory.dmp

              Filesize

              204KB

            • memory/4796-30-0x0000000008350000-0x00000000088F4000-memory.dmp

              Filesize

              5.6MB

            • memory/4796-31-0x0000000007E40000-0x0000000007ED2000-memory.dmp

              Filesize

              584KB

            • memory/4796-33-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

              Filesize

              64KB

            • memory/4796-22-0x0000000000400000-0x000000000043C000-memory.dmp

              Filesize

              240KB

            • memory/4796-28-0x0000000074230000-0x00000000749E0000-memory.dmp

              Filesize

              7.7MB

            • memory/4796-38-0x0000000007EF0000-0x0000000007EFA000-memory.dmp

              Filesize

              40KB

            • memory/4796-39-0x0000000008F20000-0x0000000009538000-memory.dmp

              Filesize

              6.1MB

            • memory/4796-40-0x0000000008900000-0x0000000008A0A000-memory.dmp

              Filesize

              1.0MB

            • memory/4796-41-0x00000000080D0000-0x00000000080E2000-memory.dmp

              Filesize

              72KB

            • memory/4796-42-0x0000000008160000-0x000000000819C000-memory.dmp

              Filesize

              240KB

            • memory/4796-43-0x00000000080F0000-0x000000000813C000-memory.dmp

              Filesize

              304KB

            • memory/4796-44-0x0000000074230000-0x00000000749E0000-memory.dmp

              Filesize

              7.7MB

            • memory/4796-45-0x0000000007FB0000-0x0000000007FC0000-memory.dmp

              Filesize

              64KB