Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2024, 18:58

General

  • Target

    67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe

  • Size

    6.8MB

  • MD5

    3177a0d4500d5f502a6ef3212d0e114f

  • SHA1

    592cfd3953d17502d90d0cf2579cdf87c0e8d4db

  • SHA256

    67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30

  • SHA512

    6d77800148ae1bf88f2edfc983062a9868b2133ab51c7d35953418e027f2ca1b8688e3c6507f2a45a42573b3e847683b80e242b53e389bcb8c1bf9309126e557

  • SSDEEP

    98304:f+2/6yNK0TqTWab1Cv1rBRYpxIcbkS79//enZPJOm4f0URyRr2Eq7eM:f+PfTH/Tbl1mnGbsiUhqJ

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe
    "C:\Users\Admin\AppData\Local\Temp\67ea9e1543b631fc484440cb21fb8eba177faea04601c0e5f1e34b7a66158e30.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Tencent\TxGameAssistant\TGBDownloader\dr.dll

    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

  • memory/2136-4-0x00000000000B0000-0x00000000000BA000-memory.dmp

    Filesize

    40KB

  • memory/2136-7-0x00000000000B0000-0x00000000000BA000-memory.dmp

    Filesize

    40KB

  • memory/2136-10-0x00000000000B0000-0x00000000000BA000-memory.dmp

    Filesize

    40KB

  • memory/2136-11-0x00000000000B0000-0x00000000000BA000-memory.dmp

    Filesize

    40KB