Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 15:47

General

  • Target

    payment receipt.exe

  • Size

    918KB

  • MD5

    0267124a0f286b43897b99dea1f3b0ea

  • SHA1

    dcc8590b8fc2adfecb01c919f80f4a0d30c123b4

  • SHA256

    4a5c1ecaabfa1e8421a4a975593f1563f5170f538daa982ea2050e902bd7dd28

  • SHA512

    72f5908456d73f3a180db5c2dc869043130b7af35be918131fa72ada0b969c9d3cbf90754d0700bb1864ba0714f1d3e800272bb8f0d6e5d52192a7e33a2b23aa

  • SSDEEP

    12288:R3IU8S6eUddsV08lxM1lXjfZBU+wfiFWXO68KVJtG90oGw+48MbcmXS:JItSAdWU2ZfiUT8WS0oGb48SPi

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1181894413438439434/9bOHVO843L8CrAC0uc2nEWNawAnthabqbd_3QLkg4EwlDdJ0KycDbG1rrLXUyDx--pB7

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
      "C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 1780
        3⤵
        • Program crash
        PID:3276
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2908 -ip 2908
    1⤵
      PID:760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2808-10-0x0000000007D70000-0x0000000007E0C000-memory.dmp

      Filesize

      624KB

    • memory/2808-1-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-3-0x00000000050E0000-0x0000000005172000-memory.dmp

      Filesize

      584KB

    • memory/2808-4-0x00000000050C0000-0x00000000050D0000-memory.dmp

      Filesize

      64KB

    • memory/2808-5-0x00000000050A0000-0x00000000050AA000-memory.dmp

      Filesize

      40KB

    • memory/2808-6-0x0000000006A00000-0x0000000006A18000-memory.dmp

      Filesize

      96KB

    • memory/2808-7-0x0000000008FB0000-0x0000000008FB8000-memory.dmp

      Filesize

      32KB

    • memory/2808-11-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-9-0x00000000028F0000-0x000000000296C000-memory.dmp

      Filesize

      496KB

    • memory/2808-0-0x00000000005D0000-0x00000000006BC000-memory.dmp

      Filesize

      944KB

    • memory/2808-8-0x00000000062A0000-0x00000000062AA000-memory.dmp

      Filesize

      40KB

    • memory/2808-12-0x00000000050C0000-0x00000000050D0000-memory.dmp

      Filesize

      64KB

    • memory/2808-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

      Filesize

      5.6MB

    • memory/2908-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2908-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2908-18-0x00000000056E0000-0x00000000056F0000-memory.dmp

      Filesize

      64KB

    • memory/2908-19-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/2908-20-0x0000000006720000-0x0000000006770000-memory.dmp

      Filesize

      320KB

    • memory/2908-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB