Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-11-2023 12:45

General

  • Target

    fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe

  • Size

    630KB

  • MD5

    cb83c8f1bc0697aee0cbef1302600854

  • SHA1

    f68ec0b3bc5e5c3831c0782f6c7b4d382db4adab

  • SHA256

    fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf

  • SHA512

    1109a70272a70bb885df15d6a879d72f43c4046e9cb05841821bd9aca7bb84ed166e6e256ffb2e7fa3b3fa1f926779336894251ccc4071ab2dcbd9e2886469cd

  • SSDEEP

    12288:/AGNuPs//CnuXZEnBUYDKo3hxWp13/oq+YSq9qn+x7:/zYsHCnuXZC+Khsp6oc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YAWALESS123@@kkk

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 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 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\fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe
    "C:\Users\Admin\AppData\Local\Temp\fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Users\Admin\AppData\Local\Temp\fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe
      "C:\Users\Admin\AppData\Local\Temp\fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb0808c7e819c65c6cca92d68a8efecbeef517c952a942d6075124f3fcbc08cf.exe.log

    Filesize

    1KB

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2392-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2392-21-0x00000000032E0000-0x00000000032F0000-memory.dmp

    Filesize

    64KB

  • memory/2392-20-0x00000000737F0000-0x0000000073EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2392-19-0x0000000006E80000-0x0000000006ED0000-memory.dmp

    Filesize

    320KB

  • memory/2392-18-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/2392-17-0x00000000032E0000-0x00000000032F0000-memory.dmp

    Filesize

    64KB

  • memory/2392-16-0x00000000737F0000-0x0000000073EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/4164-10-0x0000000007580000-0x00000000075FA000-memory.dmp

    Filesize

    488KB

  • memory/4164-9-0x0000000007290000-0x000000000729A000-memory.dmp

    Filesize

    40KB

  • memory/4164-0-0x00000000002E0000-0x0000000000384000-memory.dmp

    Filesize

    656KB

  • memory/4164-11-0x0000000009CD0000-0x0000000009D6C000-memory.dmp

    Filesize

    624KB

  • memory/4164-8-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/4164-7-0x00000000737F0000-0x0000000073EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/4164-6-0x0000000005170000-0x0000000005186000-memory.dmp

    Filesize

    88KB

  • memory/4164-15-0x00000000737F0000-0x0000000073EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/4164-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

    Filesize

    40KB

  • memory/4164-4-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

    Filesize

    64KB

  • memory/4164-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

    Filesize

    584KB

  • memory/4164-2-0x0000000005180000-0x000000000567E000-memory.dmp

    Filesize

    5.0MB

  • memory/4164-1-0x00000000737F0000-0x0000000073EDE000-memory.dmp

    Filesize

    6.9MB