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Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 00:25

General

  • Target

    cd7cd2bb5a5b2b07cf0ee361f4f7f66a993896f792308b1ec9ef95f538afb44f.exe

  • Size

    1.1MB

  • MD5

    258e87fa967c3dc0c360fd63aa81d1bf

  • SHA1

    334a591725643b0e44637d3c0577a818ab137718

  • SHA256

    cd7cd2bb5a5b2b07cf0ee361f4f7f66a993896f792308b1ec9ef95f538afb44f

  • SHA512

    c750db7e5e71d69d67ca6f924d2d80c2d0a5ef97e2334e171036359971696ae8a214f27e199b8cd24eef65d0add2a3e7a9bb90dbd2eb042702228d0a565f6690

  • SSDEEP

    24576:IyEhhQqPRv/08vU7Sbuzp4BI+9bAen4P+vmEx+cSAnlKeB:P2PP1M8vqSCmIg9dmo+hS

Malware Config

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Signatures

  • RedLine

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

  • RedLine payload 3 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd7cd2bb5a5b2b07cf0ee361f4f7f66a993896f792308b1ec9ef95f538afb44f.exe
    "C:\Users\Admin\AppData\Local\Temp\cd7cd2bb5a5b2b07cf0ee361f4f7f66a993896f792308b1ec9ef95f538afb44f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zC9Oc6gD.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zC9Oc6gD.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4352
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ml4IV5la.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ml4IV5la.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\uo1DA0QZ.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\uo1DA0QZ.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3596
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pe3Nm7Jr.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pe3Nm7Jr.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:3816
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1YW21Wp9.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1YW21Wp9.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1780
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:4856
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 540
                    8⤵
                    • Program crash
                    PID:1792
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 604
                  7⤵
                  • Program crash
                  PID:3648
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2AL736sq.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2AL736sq.exe
                6⤵
                • Executes dropped EXE
                PID:3408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4856 -ip 4856
      1⤵
        PID:3480
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1780 -ip 1780
        1⤵
          PID:5112

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zC9Oc6gD.exe

          Filesize

          1000KB

          MD5

          5435dd437858fa1360e284784372624f

          SHA1

          d5978ca8df8fe8c9763a67a5a1acdcf3af1b707a

          SHA256

          beba4754b0a7c1463c84587ad9866baaa14fab38894392a8daa2286902155af4

          SHA512

          eba287863543a7d045d1ef08ce7afa9b724d4ce6369582a6b2e0e4e5925ca8fa58e248af0d4e64826b22317286f64175ed562109748d218dbcb759ed2c15d276

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zC9Oc6gD.exe

          Filesize

          1000KB

          MD5

          5435dd437858fa1360e284784372624f

          SHA1

          d5978ca8df8fe8c9763a67a5a1acdcf3af1b707a

          SHA256

          beba4754b0a7c1463c84587ad9866baaa14fab38894392a8daa2286902155af4

          SHA512

          eba287863543a7d045d1ef08ce7afa9b724d4ce6369582a6b2e0e4e5925ca8fa58e248af0d4e64826b22317286f64175ed562109748d218dbcb759ed2c15d276

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ml4IV5la.exe

          Filesize

          811KB

          MD5

          da343c51d2630c94f26aec091e3e6c7c

          SHA1

          742db1d56da44719b84d64034225f4a50e9376b9

          SHA256

          de14d54727f74b59a71aebc6cf281e0dc1ec300af886ca22f30780b9b8277dbd

          SHA512

          8a3e022783c6a23f11de383a496db280c6430da312ccb1cf37196505a08eba99756dc32106fcb1659a01b8dd742a1a18504dded93776702d161f91887bcf9515

        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ml4IV5la.exe

          Filesize

          811KB

          MD5

          da343c51d2630c94f26aec091e3e6c7c

          SHA1

          742db1d56da44719b84d64034225f4a50e9376b9

          SHA256

          de14d54727f74b59a71aebc6cf281e0dc1ec300af886ca22f30780b9b8277dbd

          SHA512

          8a3e022783c6a23f11de383a496db280c6430da312ccb1cf37196505a08eba99756dc32106fcb1659a01b8dd742a1a18504dded93776702d161f91887bcf9515

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\uo1DA0QZ.exe

          Filesize

          577KB

          MD5

          cf0439e80ac8018c47f4b6c408c79fe9

          SHA1

          928b8c935206fe5d26ab867e8242370832122bbe

          SHA256

          00e132595173bf95b2edd90166cc1234fca082f876dfa3b454bba99282e36958

          SHA512

          1b3583c29145ddded0eecfa656df18971db3cff7a841c0fd2bae653ed54c6982e441c3d1260a18f172cc2e4a3e1fae4a6c5bd1831d12bc772a621a01ee2f84b9

        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\uo1DA0QZ.exe

          Filesize

          577KB

          MD5

          cf0439e80ac8018c47f4b6c408c79fe9

          SHA1

          928b8c935206fe5d26ab867e8242370832122bbe

          SHA256

          00e132595173bf95b2edd90166cc1234fca082f876dfa3b454bba99282e36958

          SHA512

          1b3583c29145ddded0eecfa656df18971db3cff7a841c0fd2bae653ed54c6982e441c3d1260a18f172cc2e4a3e1fae4a6c5bd1831d12bc772a621a01ee2f84b9

        • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pe3Nm7Jr.exe

          Filesize

          382KB

          MD5

          9c1ae8bc58ac26d580174ba22c433d79

          SHA1

          a021b3f6f8050be6673cb2456d904268c2805fe7

          SHA256

          abdb8b7623ca6ab698f9259eba76d4d26a080f42c1de051e0505ac996674a67f

          SHA512

          79bf6297424e10fcc6deb284138d5c943629a5aff8bc7174c5d2e8ef495545285c20791999cd9447a9aa1394e4c812d62421e9ebd3ea7134fc4dc63a68204b28

        • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\pe3Nm7Jr.exe

          Filesize

          382KB

          MD5

          9c1ae8bc58ac26d580174ba22c433d79

          SHA1

          a021b3f6f8050be6673cb2456d904268c2805fe7

          SHA256

          abdb8b7623ca6ab698f9259eba76d4d26a080f42c1de051e0505ac996674a67f

          SHA512

          79bf6297424e10fcc6deb284138d5c943629a5aff8bc7174c5d2e8ef495545285c20791999cd9447a9aa1394e4c812d62421e9ebd3ea7134fc4dc63a68204b28

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1YW21Wp9.exe

          Filesize

          295KB

          MD5

          ba6806e09e0617ab727abb9804759d83

          SHA1

          62413aeac9a0938d66e9e8d7a57e91cbffab91f1

          SHA256

          d33a327c26c2eb980e273cabb9a342d41891f5a45fb55bc65309179cb4c0c64f

          SHA512

          26902b6a5787d4c008b60add14e9f120852eec90f467ace29783af25b9dac8d93216fef6ce169d081876695f4c70fd1e8fa3bdfbd4f8532cfa91d3afcae9c80f

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1YW21Wp9.exe

          Filesize

          295KB

          MD5

          ba6806e09e0617ab727abb9804759d83

          SHA1

          62413aeac9a0938d66e9e8d7a57e91cbffab91f1

          SHA256

          d33a327c26c2eb980e273cabb9a342d41891f5a45fb55bc65309179cb4c0c64f

          SHA512

          26902b6a5787d4c008b60add14e9f120852eec90f467ace29783af25b9dac8d93216fef6ce169d081876695f4c70fd1e8fa3bdfbd4f8532cfa91d3afcae9c80f

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2AL736sq.exe

          Filesize

          222KB

          MD5

          1b7601bd97685054727c8ada65d9a0de

          SHA1

          80cc886b944b73249a83381adfba46698dd5f087

          SHA256

          64199496342990a177ea505db8e336801e0c0d4d8ae01173d54f1fb1c8fa0117

          SHA512

          42822450ccc7d15e4205e02bb6f2531c6c3806ee27f352a44513edffbc81d1d9958c58f10362f8c1cd7765b62a2c5fbd9769563788ccd56ea1d198aa53d33519

        • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2AL736sq.exe

          Filesize

          222KB

          MD5

          1b7601bd97685054727c8ada65d9a0de

          SHA1

          80cc886b944b73249a83381adfba46698dd5f087

          SHA256

          64199496342990a177ea505db8e336801e0c0d4d8ae01173d54f1fb1c8fa0117

          SHA512

          42822450ccc7d15e4205e02bb6f2531c6c3806ee27f352a44513edffbc81d1d9958c58f10362f8c1cd7765b62a2c5fbd9769563788ccd56ea1d198aa53d33519

        • memory/3408-46-0x00000000076F0000-0x0000000007782000-memory.dmp

          Filesize

          584KB

        • memory/3408-48-0x00000000076B0000-0x00000000076BA000-memory.dmp

          Filesize

          40KB

        • memory/3408-55-0x0000000007910000-0x0000000007920000-memory.dmp

          Filesize

          64KB

        • memory/3408-54-0x0000000073E90000-0x0000000074640000-memory.dmp

          Filesize

          7.7MB

        • memory/3408-43-0x00000000008D0000-0x000000000090E000-memory.dmp

          Filesize

          248KB

        • memory/3408-44-0x0000000073E90000-0x0000000074640000-memory.dmp

          Filesize

          7.7MB

        • memory/3408-45-0x0000000007C00000-0x00000000081A4000-memory.dmp

          Filesize

          5.6MB

        • memory/3408-53-0x00000000079E0000-0x0000000007A2C000-memory.dmp

          Filesize

          304KB

        • memory/3408-52-0x00000000079A0000-0x00000000079DC000-memory.dmp

          Filesize

          240KB

        • memory/3408-49-0x00000000087D0000-0x0000000008DE8000-memory.dmp

          Filesize

          6.1MB

        • memory/3408-47-0x0000000007910000-0x0000000007920000-memory.dmp

          Filesize

          64KB

        • memory/3408-50-0x0000000007A30000-0x0000000007B3A000-memory.dmp

          Filesize

          1.0MB

        • memory/3408-51-0x0000000007940000-0x0000000007952000-memory.dmp

          Filesize

          72KB

        • memory/4856-39-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/4856-36-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/4856-37-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB

        • memory/4856-35-0x0000000000400000-0x0000000000432000-memory.dmp

          Filesize

          200KB