Analysis

  • max time kernel
    151s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2024 15:40

General

  • Target

    6800149dece7def1ad1cd84f715f4837.dll

  • Size

    1.7MB

  • MD5

    6800149dece7def1ad1cd84f715f4837

  • SHA1

    640fca273f248d6a72d3265dea4a3f774c6aa64f

  • SHA256

    b0d4e0d901760c1879169db38ef00435f986e19dda97a46b8797d55e379eb1ac

  • SHA512

    f93a6f187f01bdac3af4abda5a11d040f4633296db46cbf2d19eb22c0e369129939e3d5aeaef5f67b44b9140fb13ad6971df7847c78a975cc86259e336da50e2

  • SSDEEP

    12288:bVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:6fP7fWsK5z9A+WGAW+V5SB6Ct4bnb

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6800149dece7def1ad1cd84f715f4837.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2412
  • C:\Windows\system32\MpSigStub.exe
    C:\Windows\system32\MpSigStub.exe
    1⤵
      PID:2100
    • C:\Users\Admin\AppData\Local\N0CE7X0Nj\MpSigStub.exe
      C:\Users\Admin\AppData\Local\N0CE7X0Nj\MpSigStub.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2080
    • C:\Windows\system32\slui.exe
      C:\Windows\system32\slui.exe
      1⤵
        PID:796
      • C:\Users\Admin\AppData\Local\MKbqlZ\slui.exe
        C:\Users\Admin\AppData\Local\MKbqlZ\slui.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2524
      • C:\Windows\system32\irftp.exe
        C:\Windows\system32\irftp.exe
        1⤵
          PID:2480
        • C:\Users\Admin\AppData\Local\Xjmy6\irftp.exe
          C:\Users\Admin\AppData\Local\Xjmy6\irftp.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2020

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\MKbqlZ\WINBRAND.dll

          Filesize

          1.7MB

          MD5

          0728b6d38c43ab4c1441f5b50ef84f8b

          SHA1

          f6e79eba7c46b2aaf2064a602833b154bb78b840

          SHA256

          871e191e8264b12bbcc31ec5aac58730052305a3954edf1245954c4e7a00223d

          SHA512

          fecdcf74615fa47b3080d57e28b78ba5a83ba5b9f3bf3ba7213c77d73a1fe1369aab2c19c8b6041e21e3a80b0761acdc37a059fa600e4355433e9be32319cffa

        • C:\Users\Admin\AppData\Local\N0CE7X0Nj\MpSigStub.exe

          Filesize

          264KB

          MD5

          2e6bd16aa62e5e95c7b256b10d637f8f

          SHA1

          350be084477b1fe581af83ca79eb58d4defe260f

          SHA256

          d795968b8067bb610033fa4a5b21eb2f96cef61513aba62912b8eb5c6a5ff7b3

          SHA512

          1f37150f6bcbe0df54bb85a5ad585824cea9332baa9be1649a95c1dfb41723de85c09d98fb2ca8261a49c2184d3bda638b84b2b7b60b97fe42a15ab1620a2542

        • C:\Users\Admin\AppData\Local\N0CE7X0Nj\VERSION.dll

          Filesize

          302KB

          MD5

          0a180432688c5f1d82b6e804a645b49f

          SHA1

          8f6129555c3c16233bac1b2b42afa73edf4c6140

          SHA256

          efd2fa65234a12b4951fd23f47c023a1a0777a19b522d54a7cdb7ac008f18448

          SHA512

          ae3c4717d7a9c575a9f5610f9aa07382aeae501b5f0881c732b6d6bf0200617e3ed6a64d1db7301eae9571b6cf428a00e8eaa3121e229b85a5394e5c743d304c

        • C:\Users\Admin\AppData\Local\Xjmy6\WINMM.dll

          Filesize

          1.2MB

          MD5

          c5ee14af829955b6e3b2e2440ca07531

          SHA1

          d3ecd740e4811fb2b44178d47fef6c5e1619fd4e

          SHA256

          6aa2ef4a4aa0b376510687f98ee84c2fa00542ec292196b349f41e07bd66c572

          SHA512

          f7188ca5b9277331f80b7c94259e8c5457f918a5d1fbc3ff1befe95a4dcd6734ca657dc886936826c915c748d51e0c428e7997deb6ca575b9b2dc9f2d25ab5f6

        • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Yiudzqwx.lnk

          Filesize

          1KB

          MD5

          1271bc34c68d9bb7129bb843d7d3618a

          SHA1

          a8c2c58bb14a6b01bf0797d91d2e51c50eb04752

          SHA256

          f075f9f631de7da818d8bc7848234abab9830969d771d80234bd65889d4fa44c

          SHA512

          d2835a4cf6860abc290e91f0686236422f2434334d65c4778c527c65b94fbd195fb31980813d2b22ee753f65995a37a7492010888ae886c7dbfc29b82ed5ca87

        • C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\UserData\Low\sZav1Zb\VERSION.dll

          Filesize

          1.7MB

          MD5

          d74dd02041a8de8b2ae4fc0de5bdb0ca

          SHA1

          f2e370990662bb6bb588fd31830e7a44c5652b64

          SHA256

          4c2d5c56df7b719e34b54553dccab046172f2d650002af512ce1c0569db206ee

          SHA512

          7eb21cdc07e7afd3e3649c2f32b3ae3bbea2395cdaa2c1e30e65564e6886740b0b3b8be9ad8a338411921d17f95280100d8122e0a1e0b79e6e571580441fb51d

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Network Shortcuts\1bPZ8daX\WINMM.dll

          Filesize

          1.7MB

          MD5

          eafa1afb468ea2986930ecfe7425e03f

          SHA1

          873b7bba20b6b16851f3602a2050ff205dea9c9b

          SHA256

          bcda63785ecebb671aa7b92bf736131fe65473a43c437fd7a6390eaa3f55a767

          SHA512

          ce7df400a40a746d3df2ad4a39debf36a597b67200e8fbfcc9d8ad21b9157892b9f8f4c2a9bdca33f1d1740e3b8ef0e32177a29ae06741a89c4c5188214d1439

        • \Users\Admin\AppData\Local\MKbqlZ\slui.exe

          Filesize

          341KB

          MD5

          c5ce5ce799387e82b7698a0ee5544a6d

          SHA1

          ed37fdb169bb539271c117d3e8a5f14fd8df1c0d

          SHA256

          34aa7ca0ea833263a6883827e161a5c218576c5ad97e0ce386fad4250676b42c

          SHA512

          79453b45e1f38d164ee3dbc232f774ff121d4394c22783140f5c8c722f184a69f499f2fb9621bdb28f565065b791883526e1a1d4abef9df82289613c2ce97a5c

        • \Users\Admin\AppData\Local\N0CE7X0Nj\VERSION.dll

          Filesize

          242KB

          MD5

          0d82712e20e6d2ffe6bdcc8fccab47eb

          SHA1

          4c112c2374b45035441e681c95270e9d5459e297

          SHA256

          66dba37dfc3361900d7df0a891bd9015c90b0d4698efb1fcb22b57c7b875024e

          SHA512

          27e4de9c1b1dbf87597c3c47941109733d587a983100635865732f56fa18f900cf41a61cefa6472162f77451ada3f996245d486e8d8df5f8afb4f2267df15c73

        • \Users\Admin\AppData\Local\Xjmy6\WINMM.dll

          Filesize

          256KB

          MD5

          9a01f641327cb348e963d9db3ac04861

          SHA1

          e30770234e264bd6f2d5e1ec52cbafe7c0de39d3

          SHA256

          549b46f2a7d7e8e23f1879c66625bcfb7205f8abf11c0ec0a1d47cf4013e6f3f

          SHA512

          f19086dbf1ceb19ceb04154b2d02fc86ed0bc09a7a0d72e5f74e2e170371d5f4dc183aa6b76d5b98f36be09a83b41c1b98cee2a00180b3a850a2818bf4ef2887

        • \Users\Admin\AppData\Local\Xjmy6\irftp.exe

          Filesize

          192KB

          MD5

          0cae1fb725c56d260bfd6feba7ae9a75

          SHA1

          102ac676a1de3ec3d56401f8efd518c31c8b0b80

          SHA256

          312f4107ff37dc988d99c5f56178708bb74a3906740cff4e337c0dde8f1e151d

          SHA512

          db969064577c4158d6bf925354319766b0d0373ddefb03dbfc9a9d2cadf8ddcd50a7f99b7ddf2ffad5e7fdbb6f02090b5b678bdf792d265054bff3b56ee0b8ec

        • memory/1380-16-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-46-0x0000000077850000-0x0000000077852000-memory.dmp

          Filesize

          8KB

        • memory/1380-27-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-31-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-32-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-29-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-33-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-35-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-37-0x0000000002560000-0x0000000002567000-memory.dmp

          Filesize

          28KB

        • memory/1380-36-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-34-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-30-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-28-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-25-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-26-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-22-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-20-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-4-0x00000000774E6000-0x00000000774E7000-memory.dmp

          Filesize

          4KB

        • memory/1380-45-0x00000000776F1000-0x00000000776F2000-memory.dmp

          Filesize

          4KB

        • memory/1380-44-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-12-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-9-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-7-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-24-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-55-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-61-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-23-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-21-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-5-0x0000000002580000-0x0000000002581000-memory.dmp

          Filesize

          4KB

        • memory/1380-10-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-11-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-19-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-17-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-18-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-109-0x00000000774E6000-0x00000000774E7000-memory.dmp

          Filesize

          4KB

        • memory/1380-13-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-14-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/1380-15-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/2020-110-0x0000000140000000-0x00000001401B4000-memory.dmp

          Filesize

          1.7MB

        • memory/2080-79-0x0000000140000000-0x00000001401B3000-memory.dmp

          Filesize

          1.7MB

        • memory/2080-74-0x0000000140000000-0x00000001401B3000-memory.dmp

          Filesize

          1.7MB

        • memory/2080-73-0x00000000000F0000-0x00000000000F7000-memory.dmp

          Filesize

          28KB

        • memory/2412-8-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/2412-0-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/2412-1-0x0000000140000000-0x00000001401B2000-memory.dmp

          Filesize

          1.7MB

        • memory/2524-95-0x0000000140000000-0x00000001401B3000-memory.dmp

          Filesize

          1.7MB

        • memory/2524-91-0x00000000002A0000-0x00000000002A7000-memory.dmp

          Filesize

          28KB