Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2023 02:26

General

  • Target

    11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471.exe

  • Size

    689KB

  • MD5

    b4e1fcbe591b32d34c256f31ebdc2412

  • SHA1

    0ec797bb19a942637254633ae7f5fffd224f8b8e

  • SHA256

    11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471

  • SHA512

    b904abf8d803ee5150dfd84b9caf19386f7b1f35cd50d293f5ae6b0360c9b771860d6b92f481ba6dd175c399b1ec93bad7c2aa5d3474cb84bd90234124e7d382

  • SSDEEP

    12288:faiIid7BR6wTuHrkxFaDvZOxtiyUl8hiH0chSipUcN3P/1Hl:fRIipBLaDgey3iH0chSiJlh

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6547287693:AAGGgrnDvtLiSnFJxDycaluud9osnQGIN1E/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471.exe
    "C:\Users\Admin\AppData\Local\Temp\11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HUqkkmgtYolNs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUqkkmgtYolNs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp497E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2404
    • C:\Users\Admin\AppData\Local\Temp\11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471.exe
      "C:\Users\Admin\AppData\Local\Temp\11df94b9f728e95f9558e4041e7eecffd4c7d44a89d9fe7268b4bc75c3459471.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp497E.tmp

    Filesize

    1KB

    MD5

    cb2180f0846a18fc38f9ea97ee04eb4b

    SHA1

    98f366e348155e6ac3a868868c056c9f088c17e9

    SHA256

    c615cb091ae81e8b9d61b354d6ef24679c0d603ce03c56dcf891072108a239c5

    SHA512

    adfa2379dc5b901ec7b4493f5a21eb26a3446a5536a3fdd99120f5bb1985ec2260d5e54d86c02ed61bbc14241f71a2890e4791884506b3ad6039ea308ab31bcd

  • memory/1744-0-0x0000000001090000-0x0000000001142000-memory.dmp

    Filesize

    712KB

  • memory/1744-1-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1744-2-0x0000000000F30000-0x0000000000F70000-memory.dmp

    Filesize

    256KB

  • memory/1744-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

    Filesize

    104KB

  • memory/1744-4-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB

  • memory/1744-5-0x0000000000500000-0x000000000050A000-memory.dmp

    Filesize

    40KB

  • memory/1744-6-0x0000000000930000-0x00000000009AE000-memory.dmp

    Filesize

    504KB

  • memory/1744-25-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-26-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-12-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2588-33-0x00000000744B0000-0x0000000074B9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-28-0x0000000004CF0000-0x0000000004D30000-memory.dmp

    Filesize

    256KB

  • memory/3056-29-0x0000000002650000-0x0000000002690000-memory.dmp

    Filesize

    256KB

  • memory/3056-30-0x000000006E940000-0x000000006EEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-31-0x0000000002650000-0x0000000002690000-memory.dmp

    Filesize

    256KB

  • memory/3056-32-0x000000006E940000-0x000000006EEEB000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-27-0x000000006E940000-0x000000006EEEB000-memory.dmp

    Filesize

    5.7MB