Analysis

  • max time kernel
    136s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2023 15:16

General

  • Target

    Order789409.exe

  • Size

    691KB

  • MD5

    95cd27ee2621fbb94df0253231be8f3d

  • SHA1

    e1cb2cf3c40e4cd6bfe3fc5420927acb6ce739e9

  • SHA256

    d7ace67c69529af8cb3f664c2e7313484d6c75761d4014f4696cde03f43bde84

  • SHA512

    9b31f294bd5cfcf09da771b717d020ce2a153690bfd08f124749347ecedaa24006bf28a108c8a798b25cd635f5e6f413da94a988fc2d557c5f32fd378b4f5342

  • SSDEEP

    12288:nPW797RRwf2HTueeSVnvf6zLD5FtPt+RiioWKK1V85DLKjogCQmbCpR:nPWZ7vg2HcSVnavztRioWKaS5DLKjom

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.officeemailbackup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fiKV73cEXrT#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order789409.exe
    "C:\Users\Admin\AppData\Local\Temp\Order789409.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\Order789409.exe
      "C:\Users\Admin\AppData\Local\Temp\Order789409.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order789409.exe.log

    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • memory/1728-10-0x0000000006F50000-0x0000000006FCC000-memory.dmp

    Filesize

    496KB

  • memory/1728-15-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-3-0x0000000005560000-0x00000000055F2000-memory.dmp

    Filesize

    584KB

  • memory/1728-4-0x00000000057A0000-0x0000000005AF4000-memory.dmp

    Filesize

    3.3MB

  • memory/1728-5-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/1728-6-0x0000000005720000-0x000000000572A000-memory.dmp

    Filesize

    40KB

  • memory/1728-7-0x0000000006280000-0x000000000629A000-memory.dmp

    Filesize

    104KB

  • memory/1728-11-0x000000000A690000-0x000000000A72C000-memory.dmp

    Filesize

    624KB

  • memory/1728-9-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/1728-0-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1728-8-0x00000000095E0000-0x00000000095E8000-memory.dmp

    Filesize

    32KB

  • memory/1728-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1728-1-0x0000000000AC0000-0x0000000000B72000-memory.dmp

    Filesize

    712KB

  • memory/2660-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2660-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-17-0x0000000004E40000-0x0000000004E50000-memory.dmp

    Filesize

    64KB

  • memory/2660-18-0x0000000004E50000-0x0000000004EB6000-memory.dmp

    Filesize

    408KB

  • memory/2660-19-0x0000000006650000-0x00000000066A0000-memory.dmp

    Filesize

    320KB

  • memory/2660-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-21-0x0000000004E40000-0x0000000004E50000-memory.dmp

    Filesize

    64KB