Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2023 10:45

General

  • Target

    849f6f466a8ae420834948514d5ad3e09b17acd78142c320e7a07d8ff2dc1237.exe

  • Size

    736KB

  • MD5

    8b54c5d6c5a90cab8a3ed073cdcdb082

  • SHA1

    83838e82eb575ca872aa049431540484f2d80383

  • SHA256

    849f6f466a8ae420834948514d5ad3e09b17acd78142c320e7a07d8ff2dc1237

  • SHA512

    4aac4785c2243c8212e3fe9dce89b55d13072f4f2cd019d06bccdd93c37041ec1e25cd5cd84425bd3623978bc3a0d309a5f29579cdb8a801aa023001e08a5c10

  • SSDEEP

    12288:VuldXWz7yXxbSBudVOxpdDvi/wdFC4cs06jvCso7ZF9V6w:VuldXWz7yXxGBWVcpd2odo4T0SKsEF9L

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\849f6f466a8ae420834948514d5ad3e09b17acd78142c320e7a07d8ff2dc1237.exe
    "C:\Users\Admin\AppData\Local\Temp\849f6f466a8ae420834948514d5ad3e09b17acd78142c320e7a07d8ff2dc1237.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Programs\Tool\Tool.exe
      C:\Users\Admin\AppData\Local\Programs\Tool\Tool.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:108
      • C:\Users\Admin\AppData\Local\Programs\Tool\Yun.exe
        Yun.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Programs\Tool\Tool.exe

    Filesize

    3.8MB

    MD5

    000dd6813401bf1092fa4d71c6532099

    SHA1

    80de38d44e9bb1d9ef5d15b0e7ca3af1910552a4

    SHA256

    0e4f53f5bfa7ae8553e6cb3a6f5ed11da4f9034f904c76d8ecf860597c73251f

    SHA512

    c3e71a2ff3f50e603c95dced8f2ca93354fc7971941944d003c797ec65eeb827a22c66ad461f5a17e82d9970117a48698063d13cecbde923ea7c646768f0be8d

  • C:\Users\Admin\AppData\Local\Programs\Tool\Tool.exe

    Filesize

    3.8MB

    MD5

    000dd6813401bf1092fa4d71c6532099

    SHA1

    80de38d44e9bb1d9ef5d15b0e7ca3af1910552a4

    SHA256

    0e4f53f5bfa7ae8553e6cb3a6f5ed11da4f9034f904c76d8ecf860597c73251f

    SHA512

    c3e71a2ff3f50e603c95dced8f2ca93354fc7971941944d003c797ec65eeb827a22c66ad461f5a17e82d9970117a48698063d13cecbde923ea7c646768f0be8d

  • C:\Users\Admin\AppData\Local\Programs\Tool\Yun.exe

    Filesize

    744KB

    MD5

    f3391341dc27419ca256ceb9e02f5171

    SHA1

    9d847eb35e9265d35262e906ae7f7f88e1af6f95

    SHA256

    da2c549c6acff2070a37c8585ab4f1ba07d0172fbf79da50b11e2d53bba58609

    SHA512

    1edb9ebb68325e58132b825f9015f6318498c2a7cce021a5ef980223dbbf0da7c5c8facbb95784ca50510af0db4bf78a5a6d62404109df8889af4df3ebbc9c07

  • C:\Users\Admin\AppData\Local\Programs\Tool\Yun.exe

    Filesize

    744KB

    MD5

    f3391341dc27419ca256ceb9e02f5171

    SHA1

    9d847eb35e9265d35262e906ae7f7f88e1af6f95

    SHA256

    da2c549c6acff2070a37c8585ab4f1ba07d0172fbf79da50b11e2d53bba58609

    SHA512

    1edb9ebb68325e58132b825f9015f6318498c2a7cce021a5ef980223dbbf0da7c5c8facbb95784ca50510af0db4bf78a5a6d62404109df8889af4df3ebbc9c07

  • \Users\Admin\AppData\Local\Programs\Tool\Tool.exe

    Filesize

    3.8MB

    MD5

    000dd6813401bf1092fa4d71c6532099

    SHA1

    80de38d44e9bb1d9ef5d15b0e7ca3af1910552a4

    SHA256

    0e4f53f5bfa7ae8553e6cb3a6f5ed11da4f9034f904c76d8ecf860597c73251f

    SHA512

    c3e71a2ff3f50e603c95dced8f2ca93354fc7971941944d003c797ec65eeb827a22c66ad461f5a17e82d9970117a48698063d13cecbde923ea7c646768f0be8d

  • \Users\Admin\AppData\Local\Programs\Tool\Tool.exe

    Filesize

    3.8MB

    MD5

    000dd6813401bf1092fa4d71c6532099

    SHA1

    80de38d44e9bb1d9ef5d15b0e7ca3af1910552a4

    SHA256

    0e4f53f5bfa7ae8553e6cb3a6f5ed11da4f9034f904c76d8ecf860597c73251f

    SHA512

    c3e71a2ff3f50e603c95dced8f2ca93354fc7971941944d003c797ec65eeb827a22c66ad461f5a17e82d9970117a48698063d13cecbde923ea7c646768f0be8d

  • \Users\Admin\AppData\Local\Programs\Tool\Yun.exe

    Filesize

    744KB

    MD5

    f3391341dc27419ca256ceb9e02f5171

    SHA1

    9d847eb35e9265d35262e906ae7f7f88e1af6f95

    SHA256

    da2c549c6acff2070a37c8585ab4f1ba07d0172fbf79da50b11e2d53bba58609

    SHA512

    1edb9ebb68325e58132b825f9015f6318498c2a7cce021a5ef980223dbbf0da7c5c8facbb95784ca50510af0db4bf78a5a6d62404109df8889af4df3ebbc9c07

  • \Users\Admin\AppData\Local\Programs\Tool\Yun.exe

    Filesize

    744KB

    MD5

    f3391341dc27419ca256ceb9e02f5171

    SHA1

    9d847eb35e9265d35262e906ae7f7f88e1af6f95

    SHA256

    da2c549c6acff2070a37c8585ab4f1ba07d0172fbf79da50b11e2d53bba58609

    SHA512

    1edb9ebb68325e58132b825f9015f6318498c2a7cce021a5ef980223dbbf0da7c5c8facbb95784ca50510af0db4bf78a5a6d62404109df8889af4df3ebbc9c07