Analysis

  • max time kernel
    127s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 03:51

General

  • Target

    5a0855cf69ff36ed0555f70bca9ad59c60339a863189d4f3c04895257e5f9b63.exe

  • Size

    4.8MB

  • MD5

    c274dab523eb07313a2183c31d88b818

  • SHA1

    95e494189beb8cb2419c5c20bb0b65706e79e884

  • SHA256

    5a0855cf69ff36ed0555f70bca9ad59c60339a863189d4f3c04895257e5f9b63

  • SHA512

    a3a22181a3c6ffebb1230f3f61a3a967302c6002a599ecc0cab54d87c62a14d739db7c7bb3b6ec0332762e796182392d8fe69a737c44926aace691e4f9df5d0f

  • SSDEEP

    98304:seLpmrmc2lAu28lkcf5YjovKqGYiOE8oLj5YINfSyo8aXs:TcmZl85gyjovK65E8ob5Sx8aXs

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a0855cf69ff36ed0555f70bca9ad59c60339a863189d4f3c04895257e5f9b63.exe
    "C:\Users\Admin\AppData\Local\Temp\5a0855cf69ff36ed0555f70bca9ad59c60339a863189d4f3c04895257e5f9b63.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\360NetUL.dll
    Filesize

    234KB

    MD5

    cd03029957ebc78c0ca7a6c02a9ca846

    SHA1

    0044114b8073781479044f0294701be9611be2ac

    SHA256

    139fdd92e6ddf1aac0761a68502b374daa32e82039621018511dc491ed9b4048

    SHA512

    14c641cb9536def0ddc1969d50b97b83a23017c97373e3ad74d3fbf9825ac81f3fdf8169281c8ad4cebd45d9c9ae05f752d553ba4653e620889b274479cb7c32

  • \Users\Admin\AppData\Local\LDSGameMaster\Store\360Base\Utils\LDSBasic.dll
    Filesize

    2.1MB

    MD5

    c35ab236702291f1a2d090af8ea253d9

    SHA1

    d7f58f0f5fee6b26564af3c5d7ab6defe5a4608d

    SHA256

    c4dba892a9a1fb675d06dd615c4fc079e9f4e12a8368e8bd18e37137ed567f35

    SHA512

    87a3fa1927ad2fad117055411a471be95275a4d4bf99ee3ab522faee70067b239bb77ddd94c4300958607efd4a3fc071df2262754557fca2530e70f2c438a068

  • \Users\Admin\AppData\Local\Temp\{9692ECD6-1288-4c7b-858D-6A81B9321977}.tmp\7z.dll
    Filesize

    1.1MB

    MD5

    a46135bdd574092d85955070e72d5aad

    SHA1

    aad137b0a883fea22b7118778512ffc7865513bc

    SHA256

    aa57160684feb240a85da677caaf7cf6a08b7349d89ae9cb4a3476884d80aac5

    SHA512

    72188f348d9ae33e2b5a7886c80667cc3015bfac170249537baa9e31abf8d63ca198903206feb64887f1d509a1b9bfc9f54ede8b3aa26bee3f5c4375e5c6a24b

  • memory/1648-34-0x0000000002A50000-0x0000000002A51000-memory.dmp
    Filesize

    4KB

  • memory/1648-35-0x0000000002A50000-0x0000000002A51000-memory.dmp
    Filesize

    4KB