Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 06:32

General

  • Target

    e499aaa734ab6cf07897f5fef9db9348958af6f77ca759cb77bb7d991d67ae2a.exe

  • Size

    5.3MB

  • MD5

    a3c5af50f937873622c1b0869f281332

  • SHA1

    9ecab5533e66f5063bde784b39c262a947d85612

  • SHA256

    e499aaa734ab6cf07897f5fef9db9348958af6f77ca759cb77bb7d991d67ae2a

  • SHA512

    ddb564d6fff6c7b966af0e9f9c695db1a206560fa9f520944454f8254326f7d009ca1e680ddbd33cc4b43469fbff047bcc49b4907362c7b662d29ea88ad836b7

  • SSDEEP

    49152:1ALyZZxnhgUAPCQFeZ5EPRgyI3bBCjlMPo54cEiIdZMPo54cEiIdMMPo54cEiItI:1Vn1AeDIZgBCjKgIwgIdJgIzvx5K

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e499aaa734ab6cf07897f5fef9db9348958af6f77ca759cb77bb7d991d67ae2a.exe
    "C:\Users\Admin\AppData\Local\Temp\e499aaa734ab6cf07897f5fef9db9348958af6f77ca759cb77bb7d991d67ae2a.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2968-17-0x0000000076420000-0x0000000076455000-memory.dmp

    Filesize

    212KB

  • memory/2968-20-0x0000000076420000-0x0000000076455000-memory.dmp

    Filesize

    212KB

  • memory/2968-7-0x0000000000400000-0x0000000000E2F000-memory.dmp

    Filesize

    10.2MB

  • memory/2968-8-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2968-13-0x0000000004500000-0x0000000004501000-memory.dmp

    Filesize

    4KB

  • memory/2968-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-5-0x0000000000400000-0x0000000000E2F000-memory.dmp

    Filesize

    10.2MB

  • memory/2968-6-0x0000000000400000-0x0000000000E2F000-memory.dmp

    Filesize

    10.2MB

  • memory/2968-22-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2968-38-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB