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Analysis

  • max time kernel
    52s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2023, 02:38

General

  • Target

    3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be.exe

  • Size

    839KB

  • MD5

    6384f3e0bd73c43f2e957f96ec37f40d

  • SHA1

    0e3ac56cd81df4115905637ea8b23f1e67333640

  • SHA256

    3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be

  • SHA512

    93a2b19f6453e99477323d35d5ecd814468271db4ec7875d4c544f56a39b9f491323af02c14f466fd7a18aacb2745ba6a1eb10fd14cf96280142af42509009f7

  • SSDEEP

    12288:Es8y9maPEQ3OSuzqHu2FdypalrJBKNqk7AP9Tkb+mmhBQLT60UVnamOKD:E8MMypalHZQP60ALOu

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5818759233:AAFI7OlL_xF1C_H7nxAtSweMNNwegCdZOXs/

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 2 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be.exe
    "C:\Users\Admin\AppData\Local\Temp\3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mweTsCEYTrD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8038.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1868
    • C:\Users\Admin\AppData\Local\Temp\3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1504

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8038.tmp

    Filesize

    1KB

    MD5

    10c86891bf8081e5d76f9c36ae028f2b

    SHA1

    ac612ebde202459b4af0ba298800f0610d8d7784

    SHA256

    575efe83ef7327741708779d65ac51dcfe678dfcca314273ddcd1ca1494e2910

    SHA512

    ef869be0c26a8561678953ccac1a392fa2659f08ffc2926c0176d00003afc3770bfaee696db8cb5a2cf57970b43c950da1984335408222703c492b9c656d08be

  • memory/1504-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1504-91-0x0000000002450000-0x0000000002490000-memory.dmp

    Filesize

    256KB

  • memory/1504-73-0x0000000002450000-0x0000000002490000-memory.dmp

    Filesize

    256KB

  • memory/1504-72-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1704-56-0x0000000000520000-0x000000000052C000-memory.dmp

    Filesize

    48KB

  • memory/1704-54-0x00000000008D0000-0x00000000009A8000-memory.dmp

    Filesize

    864KB

  • memory/1704-55-0x0000000004DE0000-0x0000000004E20000-memory.dmp

    Filesize

    256KB

  • memory/1704-59-0x00000000021B0000-0x00000000021E0000-memory.dmp

    Filesize

    192KB

  • memory/1704-58-0x0000000005290000-0x000000000530C000-memory.dmp

    Filesize

    496KB

  • memory/1704-57-0x0000000004DE0000-0x0000000004E20000-memory.dmp

    Filesize

    256KB