Analysis

  • max time kernel
    19s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2024 12:36

General

  • Target

    z18BankAccountDetails.exe

  • Size

    690KB

  • MD5

    699e3affc886e4d354de82b9c2898c2b

  • SHA1

    2a34f358155ceccdbf91d2412b8c7afe7ee33142

  • SHA256

    715dd87ef7b32eca897087684aa5267e6284460b8bbb1a8f03e50ae1b0cacd85

  • SHA512

    c3bcbec7d7a6f9c14e2070fc52bf128f1f1279ee2e956ac702416bc55022161dcd50f19d98e8f23bb0815c872d1898b6d7f7c3d3df4162eabaeda12598adc617

  • SSDEEP

    12288:EewoIc00MTJp0UOWumdRsoWZkz4VW3NPny3SVGjyR+Hq9bU2Hslb76:JwoIc0hJp0UOMLsoaA5tkHUbU2Hy76

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6708836842:AAEOj4CFUrj7jFG71fhzDaJLgRXgsIceQ5A/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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\z18BankAccountDetails.exe
    "C:\Users\Admin\AppData\Local\Temp\z18BankAccountDetails.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\z18BankAccountDetails.exe
      "C:\Users\Admin\AppData\Local\Temp\z18BankAccountDetails.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4560

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z18BankAccountDetails.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1888-8-0x0000000006BF0000-0x0000000006C6E000-memory.dmp

    Filesize

    504KB

  • memory/1888-5-0x0000000005810000-0x000000000581A000-memory.dmp

    Filesize

    40KB

  • memory/1888-0-0x0000000000BF0000-0x0000000000CA2000-memory.dmp

    Filesize

    712KB

  • memory/1888-9-0x0000000009600000-0x000000000969C000-memory.dmp

    Filesize

    624KB

  • memory/1888-2-0x0000000005B90000-0x0000000006134000-memory.dmp

    Filesize

    5.6MB

  • memory/1888-6-0x00000000058E0000-0x00000000058F2000-memory.dmp

    Filesize

    72KB

  • memory/1888-7-0x00000000058F0000-0x00000000058FE000-memory.dmp

    Filesize

    56KB

  • memory/1888-1-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1888-13-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1888-3-0x0000000005680000-0x0000000005712000-memory.dmp

    Filesize

    584KB

  • memory/1888-4-0x00000000055E0000-0x00000000055F0000-memory.dmp

    Filesize

    64KB

  • memory/4560-16-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/4560-15-0x0000000005580000-0x0000000005590000-memory.dmp

    Filesize

    64KB

  • memory/4560-20-0x0000000005580000-0x0000000005590000-memory.dmp

    Filesize

    64KB

  • memory/4560-14-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-18-0x0000000006C00000-0x0000000006C50000-memory.dmp

    Filesize

    320KB

  • memory/4560-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB