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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2023, 22:49

General

  • Target

    259fbbd90c8a3ea55f7b42a29cf3aba90abbbffafe7b48a710ea33d00b7a2e34.dll

  • Size

    2.6MB

  • MD5

    ccaf77b1747a1cd1bea7c35775fe49d3

  • SHA1

    1022ddefc0bcd900f370eea121f14cbc0a72e365

  • SHA256

    259fbbd90c8a3ea55f7b42a29cf3aba90abbbffafe7b48a710ea33d00b7a2e34

  • SHA512

    3881f2436c820a7b8fd9b846a0551d9d9d2b47fc7475ad68fe5df196b51c5f67c6784a0c33111caa95a20e9af4c516b2b082028126454783c2108b2f853fb76e

  • SSDEEP

    49152:ztO8XLBOd3ElRdolchYC2Rv1u8Qz9r+45pXhEQTZ1lsc47vWYIiTIn0qAqfZuHdQ:5/c6lRdo2z2RvsBN+ieWVwInEWZaWiW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 48 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\259fbbd90c8a3ea55f7b42a29cf3aba90abbbffafe7b48a710ea33d00b7a2e34.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\259fbbd90c8a3ea55f7b42a29cf3aba90abbbffafe7b48a710ea33d00b7a2e34.dll,#1
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Users\Admin\AppData\Local\Temp\4FE4.tmp
        C:\Users\Admin\AppData\Local\Temp\4FE4.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4FE4.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • C:\Users\Admin\AppData\Local\Temp\4FE4.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • C:\Users\Admin\AppData\Local\Temp\4FE4.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • \Users\Admin\AppData\Local\Temp\4FE4.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • \Users\Admin\AppData\Local\Temp\4FE4.tmp

    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/2012-0-0x0000000001ED0000-0x0000000001F9B000-memory.dmp

    Filesize

    812KB

  • memory/2012-1-0x0000000001ED0000-0x0000000001F9B000-memory.dmp

    Filesize

    812KB