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Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2023, 14:43

General

  • Target

    69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe

  • Size

    649KB

  • MD5

    28de107917541a6b1f59b687c5a88c0d

  • SHA1

    82132408e1c1f09d0a2fff0507fef11f6545a151

  • SHA256

    69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c

  • SHA512

    1b39ba9adb55f636ea8524c231053dd0e53b1845ec4cb99f2c4d425fe8c5b9ee85b97f4e3e7f7b65137ad26ea659d86e9dd8b2030403504da894bd20b591ab0d

  • SSDEEP

    12288:pC6wyk1nvfBP0FQoOd/566f81qjbravk7o3xLWAB8TMfo+aqwFtaif8dHOqPNspL:pC6wp1vfhboOb66Uyavk8hdo+g8BOONO

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 4 IoCs

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

  • 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).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe
    "C:\Users\Admin\AppData\Local\Temp\69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9B38.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar9B99.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • memory/2952-0-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2952-2-0x00000000032C0000-0x00000000032CA000-memory.dmp

    Filesize

    40KB

  • memory/2952-3-0x00000000032C0000-0x00000000032CA000-memory.dmp

    Filesize

    40KB

  • memory/2952-4-0x000000006D6D0000-0x000000006D6E0000-memory.dmp

    Filesize

    64KB

  • memory/2952-174-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2952-178-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB

  • memory/2952-179-0x00000000032C0000-0x00000000032CA000-memory.dmp

    Filesize

    40KB

  • memory/2952-180-0x0000000000400000-0x00000000005AC000-memory.dmp

    Filesize

    1.7MB