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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 01:55

General

  • Target

    DOC8558388_AUGUST2021.exe

  • Size

    1.3MB

  • MD5

    fe1e7c4a720c5aabdff8b5134ff25292

  • SHA1

    3b512edaf968cfc824a73eee98a841bf893cbe99

  • SHA256

    64186ecb7905dcf865a55113e959199d17479cbe9a538669b4f4d356b194dbfc

  • SHA512

    8fdfc7bf5f8958a65b6485583d0a05fed35c9c791522d100f870a35eeefe3fea65649293d3d60a36037311004b294ca7dba182eac6331981aa60bfd31d2de04b

  • SSDEEP

    24576:vQRK0rxB/HOIThNN7Mtqk8RbZZS5R0DlhuCO:v2BtThXEc3Bb0

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe
      "C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOC8558388_AUGUST2021.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2256-10-0x0000000006BB0000-0x0000000006C52000-memory.dmp

    Filesize

    648KB

  • memory/2256-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

    Filesize

    5.6MB

  • memory/2256-3-0x0000000005320000-0x00000000053B2000-memory.dmp

    Filesize

    584KB

  • memory/2256-4-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/2256-5-0x0000000005250000-0x000000000525A000-memory.dmp

    Filesize

    40KB

  • memory/2256-7-0x0000000005800000-0x000000000581E000-memory.dmp

    Filesize

    120KB

  • memory/2256-6-0x00000000069F0000-0x0000000006A8C000-memory.dmp

    Filesize

    624KB

  • memory/2256-8-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/2256-0-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/2256-9-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/2256-1-0x0000000000750000-0x000000000089A000-memory.dmp

    Filesize

    1.3MB

  • memory/2256-16-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/2256-11-0x00000000091D0000-0x000000000920C000-memory.dmp

    Filesize

    240KB

  • memory/4896-15-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4896-17-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-18-0x0000000005180000-0x0000000005198000-memory.dmp

    Filesize

    96KB

  • memory/4896-19-0x00000000057C0000-0x0000000005826000-memory.dmp

    Filesize

    408KB

  • memory/4896-20-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-21-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB