Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2023 02:00

General

  • Target

    1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd.exe

  • Size

    695KB

  • MD5

    b0cb5b21f387e3a57b04f95e5e525b7a

  • SHA1

    f9bad09e8eb643871b844df31b7f9ddccf171f95

  • SHA256

    1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd

  • SHA512

    7c44681b0df64250017e88ca858a4799b721eeaee7c09131d757265954a0cae5158b4b6f2b8e4f3eae57366c357dd00208014faf748f74b35ab218f3baf09e2c

  • SSDEEP

    12288:ul5nF85VdqrlbKxqNfgAgj+u5V90McO8Rei0Dl1skejfcjtaUWgvcnO:uloqhbKxgq/90VOAeXCjQa1O

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd.exe
    "C:\Users\Admin\AppData\Local\Temp\1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd.exe
      "C:\Users\Admin\AppData\Local\Temp\1c6c27efcb4c84e8ebefe53a760e59bd246e17ec60bd6d73c809df6f90221bbd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-22-0x00000000048B0000-0x00000000048F0000-memory.dmp

    Filesize

    256KB

  • memory/2112-24-0x00000000048B0000-0x00000000048F0000-memory.dmp

    Filesize

    256KB

  • memory/2112-23-0x0000000074A20000-0x000000007510E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2112-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-21-0x0000000074A20000-0x000000007510E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2516-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

    Filesize

    40KB

  • memory/2516-20-0x0000000074A20000-0x000000007510E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-6-0x0000000000980000-0x00000000009FA000-memory.dmp

    Filesize

    488KB

  • memory/2516-0-0x0000000000D80000-0x0000000000E32000-memory.dmp

    Filesize

    712KB

  • memory/2516-4-0x0000000000460000-0x0000000000468000-memory.dmp

    Filesize

    32KB

  • memory/2516-3-0x0000000000440000-0x0000000000458000-memory.dmp

    Filesize

    96KB

  • memory/2516-2-0x0000000000B40000-0x0000000000B80000-memory.dmp

    Filesize

    256KB

  • memory/2516-1-0x0000000074A20000-0x000000007510E000-memory.dmp

    Filesize

    6.9MB