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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 11:05

General

  • Target

    NEW PURCHASE ORDER #024.scr

  • Size

    662KB

  • MD5

    a8506bf1a11d304139c48334964fefce

  • SHA1

    57d5b782a33dd88964da211bb9b2856c71e1cde7

  • SHA256

    43ba52dbbb5b429c68cdf2c4af2f304be871646c633d72099e9c9b9ceb8fef93

  • SHA512

    45ec151f37325cf7050821834906cefed37dab475732695f8ae9674f136649dd84a6cb30b887af92d3ece3e5cb7133aaa39bc8fe2e3ee552579a7fd3b261007d

  • SSDEEP

    12288:hm/BeQ5vzivDE/xLL1NFcLop5olVZmYPvhGJp5OfJad+45nsA:criYl57cLo5olVZPha5OfJak42

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.afconnl.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ah!kfC@0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr
    "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr
      "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"
      2⤵
        PID:4776
      • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr
        "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW PURCHASE ORDER #024.scr.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1464-10-0x00000000097F0000-0x000000000988C000-memory.dmp

      Filesize

      624KB

    • memory/1464-14-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/1464-3-0x00000000056D0000-0x0000000005762000-memory.dmp

      Filesize

      584KB

    • memory/1464-0-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/1464-5-0x0000000005880000-0x000000000588A000-memory.dmp

      Filesize

      40KB

    • memory/1464-6-0x0000000005BB0000-0x0000000005BC4000-memory.dmp

      Filesize

      80KB

    • memory/1464-7-0x0000000007070000-0x000000000707A000-memory.dmp

      Filesize

      40KB

    • memory/1464-8-0x0000000007080000-0x000000000708E000-memory.dmp

      Filesize

      56KB

    • memory/1464-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

      Filesize

      5.6MB

    • memory/1464-9-0x00000000070D0000-0x0000000007158000-memory.dmp

      Filesize

      544KB

    • memory/1464-4-0x00000000058B0000-0x00000000058C0000-memory.dmp

      Filesize

      64KB

    • memory/1464-1-0x0000000000C80000-0x0000000000D2C000-memory.dmp

      Filesize

      688KB

    • memory/2524-15-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2524-16-0x00000000051A0000-0x00000000051B0000-memory.dmp

      Filesize

      64KB

    • memory/2524-17-0x00000000053F0000-0x0000000005456000-memory.dmp

      Filesize

      408KB

    • memory/2524-18-0x00000000067C0000-0x0000000006810000-memory.dmp

      Filesize

      320KB

    • memory/2524-19-0x0000000074890000-0x0000000075040000-memory.dmp

      Filesize

      7.7MB

    • memory/2524-20-0x00000000051A0000-0x00000000051B0000-memory.dmp

      Filesize

      64KB