Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 18:15

General

  • Target

    f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe

  • Size

    626KB

  • MD5

    a98f880aefb9f770cf0f280b6aabfc63

  • SHA1

    9aa8fbe199f4f7386e418076438f72a958147f0c

  • SHA256

    f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a

  • SHA512

    f2fc8169d950b39e1387a44613418196f70fb719e2c8ee055fd5f7cb18e73803dffe548f38a1653e22af8174ddaedf193b46ae30f8f8c84dcc3d1155e8076e8e

  • SSDEEP

    12288:FI45+po2V1kWEOIVim9yY7gRMpMCuaA9NV+wuSyW4hIcKvSwkPAg:FL+pJQnJyY7gepOaA9NV+gyW4hIpKP

Malware Config

Extracted

Credentials

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe
    "C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe
      "C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe.log

    Filesize

    2KB

    MD5

    93d52c1bc7c38d958583ebbd3dc09cd4

    SHA1

    4c5ee6f9c9ae190c9a0cccb91fa2257ddcb8b0d5

    SHA256

    2905f3a06dd8907ddbcbe64389cffcc8a5273d1822e25f8bea385bdd01653c76

    SHA512

    dfc55c3247d7734c5a531fb5a3de689e8bb823e82c14ad6cab16923d50d51e03e5e86165a7d65b3059a66b67968b611368b010a6d9f755916b01ef7b67c5228e

  • memory/3548-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3548-21-0x0000000005880000-0x0000000005890000-memory.dmp

    Filesize

    64KB

  • memory/3548-20-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/3548-19-0x0000000006F70000-0x0000000006FC0000-memory.dmp

    Filesize

    320KB

  • memory/3548-18-0x0000000005A60000-0x0000000005AC6000-memory.dmp

    Filesize

    408KB

  • memory/3548-17-0x0000000005880000-0x0000000005890000-memory.dmp

    Filesize

    64KB

  • memory/3548-16-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/5012-5-0x0000000005040000-0x000000000504A000-memory.dmp

    Filesize

    40KB

  • memory/5012-9-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/5012-10-0x0000000007680000-0x00000000076FA000-memory.dmp

    Filesize

    488KB

  • memory/5012-11-0x0000000006070000-0x000000000610C000-memory.dmp

    Filesize

    624KB

  • memory/5012-8-0x0000000005F40000-0x0000000005F4A000-memory.dmp

    Filesize

    40KB

  • memory/5012-7-0x0000000005F30000-0x0000000005F38000-memory.dmp

    Filesize

    32KB

  • memory/5012-15-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/5012-6-0x0000000005050000-0x0000000005068000-memory.dmp

    Filesize

    96KB

  • memory/5012-0-0x00000000001D0000-0x0000000000272000-memory.dmp

    Filesize

    648KB

  • memory/5012-4-0x0000000004E50000-0x0000000004EE2000-memory.dmp

    Filesize

    584KB

  • memory/5012-3-0x0000000005360000-0x0000000005904000-memory.dmp

    Filesize

    5.6MB

  • memory/5012-2-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/5012-1-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB