Overview

overview

5

Static

static

3

LETTER-PRO...CX.exe

windows7-x64

5

LETTER-PRO...CX.exe

windows10-2004-x64

5

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:21

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General

  • Target

    LETTER-PROFORMA-APPOINTMENT-DOCX.exe

  • Size

    695KB

  • MD5

    dc5efebad778fed9a844ef6faef4d156

  • SHA1

    0708cdc4ebb6225dfe99b4dee80a2513760583ab

  • SHA256

    293ba40b1cb108c5d5f6f069bafe89cfbf1e970efaf82020dbf25992102948a0

  • SHA512

    9e371d298c345fc7333ff6eea8720fbb3c05e76718197d44068cdcaec09f5c79abed709f9381222cdc25f57b4ea72086bad83297ce7cc9529538105a15d0a2e7

  • SSDEEP

    12288:vNi8LkpEa+4hzx/HQZaJSDQOk8mekzq7R0N5wJRHT41OIm2/lzXMz5I1ntc3DZ2M:AjEI/HgaJSnZOzvuHT4oIN5ei1n4n

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LETTER-PROFORMA-APPOINTMENT-DOCX.exe
    "C:\Users\Admin\AppData\Local\Temp\LETTER-PROFORMA-APPOINTMENT-DOCX.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\LETTER-PROFORMA-APPOINTMENT-DOCX.exe
      "C:\Users\Admin\AppData\Local\Temp\LETTER-PROFORMA-APPOINTMENT-DOCX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 184
        3⤵
        • Program crash
        PID:5060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5056 -ip 5056
    1⤵
      PID:1680

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3004-6-0x0000000005480000-0x000000000549A000-memory.dmp
      Filesize

      104KB

      Download
    • memory/3004-8-0x00000000064D0000-0x000000000655A000-memory.dmp
      Filesize

      552KB

      Download
    • memory/3004-2-0x00000000054A0000-0x0000000005A44000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3004-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3004-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3004-5-0x0000000074640000-0x0000000074DF0000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/3004-1-0x0000000000390000-0x0000000000444000-memory.dmp
      Filesize

      720KB

      Download
    • memory/3004-7-0x0000000006130000-0x0000000006140000-memory.dmp
      Filesize

      64KB

      Download
    • memory/3004-0-0x000000007464E000-0x000000007464F000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3004-9-0x0000000008B20000-0x0000000008BBC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/3004-13-0x0000000074640000-0x0000000074DF0000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/5056-12-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

      Download
    • memory/5056-10-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

      Download
    • memory/5056-14-0x0000000001880000-0x0000000001BCA000-memory.dmp
      Filesize

      3.3MB

      Download
    • memory/5056-15-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

      Download