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Analysis

  • max time kernel
    187s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 18:24

General

  • Target

    36ef87cd5d4eaa66a47f4e951854080804c56083871400907f40b0e6f9c4e507.exe

  • Size

    4.5MB

  • MD5

    55e098a817c0f37fca65e8cbc06d38f2

  • SHA1

    b413365b20ede4cc1a1a2bf7df7674ff90ee909b

  • SHA256

    36ef87cd5d4eaa66a47f4e951854080804c56083871400907f40b0e6f9c4e507

  • SHA512

    56466b50f144933865063a300b6c218007b5ef3a9be839d5d6c8421cf5d2735c90918088eb249563952da681bcb4bd6c5b7b5c528a0d45a18a1ce88cea806882

  • SSDEEP

    98304:HypOj4chk6omZFvfG4V+SKa6sfGJUmRRNVimdKiy2kSiGw5vDOj4chEU:HyehEmbfdVLGNRHHKIkRJ0hEU

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36ef87cd5d4eaa66a47f4e951854080804c56083871400907f40b0e6f9c4e507.exe
    "C:\Users\Admin\AppData\Local\Temp\36ef87cd5d4eaa66a47f4e951854080804c56083871400907f40b0e6f9c4e507.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1696

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsz15D4.tmp\Helper.dll

    Filesize

    1.3MB

    MD5

    164ea7f3d7de0b55cea5f2018e7b0bae

    SHA1

    4df849654b7213fe9731777d852ca754a87abc3e

    SHA256

    444da00a903a3e19126b5d4f116727906dc6811aba34efe868b2bff091fe1e0b

    SHA512

    463a8eea84780d9e491b9025b722feea0dbbff77e0a1aa6070957998bfb325adba9f2f533cbd04db69e9ccfef8135750fcf86cb97e11101b03ae0e78c3c41839

  • \Users\Admin\AppData\Local\Temp\nsz15D4.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • \Users\Admin\AppData\Local\Temp\nsz15D4.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    ab73c0c2a23f913eabdc4cb24b75cbad

    SHA1

    6569d2863d54c88dcf57c843fc310f6d9571a41e

    SHA256

    3d0060c5c9400a487dbefe4ac132dd96b07d3a4ba3badab46a7410a667c93457

    SHA512

    99d287b5152944f64edc7ce8f3ebcd294699e54a5b42ac7a88e27dff8a68278a5429f4d299802ee7ddbe290f1e3b6a372a5f3bb4ecb1a3c32e384bca3ccdb2b8

  • \Users\Admin\AppData\Local\Temp\nsz15D4.tmp\versionex.dll

    Filesize

    6KB

    MD5

    ebc5bb904cdac1c67ada3fa733229966

    SHA1

    3c6abfa0ddef7f3289f38326077a5041389b15d2

    SHA256

    3eba921ef649b71f98d9378dee8105b38d2464c9ccde37a694e4a0cd77d22a75

    SHA512

    fa71afcc166093fbd076a84f10d055f5a686618711d053ab60d8bd060e78cb2fdc15fa35f363822c9913413251c718d01ddd6432ab128816d98f9aabf5612c9f

  • memory/1696-54-0x0000000076941000-0x0000000076943000-memory.dmp

    Filesize

    8KB

  • memory/1696-58-0x0000000000640000-0x000000000064C000-memory.dmp

    Filesize

    48KB

  • memory/1696-60-0x0000000000640000-0x000000000064C000-memory.dmp

    Filesize

    48KB