Analysis

  • max time kernel
    30s
  • max time network
    25s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 08:20

General

  • Target

    Best Price.exe

  • Size

    811KB

  • MD5

    b353071dc5c2a19eddc322df0afd4555

  • SHA1

    0982d0f41385ac54acde12e3e94e0826c6ceabb6

  • SHA256

    901dc27ad8572ac676262b222f35e1144d1ec16148d8b49117ac118980f3d721

  • SHA512

    d9bc455852af01720905ac489ab4fe188ef1d23649fb98a942f65cdc48c0c97d34cdd277f7b9ee6d5c6f5601eb422564c216b235bd2c8d2246b9cb8ceec1f01f

  • SSDEEP

    24576:/bYzlzJSNI+2q0dGyelqr2Y3hrkTg3OMKw1Y:sldaInGvlqF3hY03R11Y

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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\Best Price.exe
    "C:\Users\Admin\AppData\Local\Temp\Best Price.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\Best Price.exe
      "C:\Users\Admin\AppData\Local\Temp\Best Price.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1448-8-0x0000000006F90000-0x0000000007012000-memory.dmp

    Filesize

    520KB

  • memory/1448-7-0x0000000006B40000-0x0000000006B50000-memory.dmp

    Filesize

    64KB

  • memory/1448-3-0x0000000005910000-0x00000000059A2000-memory.dmp

    Filesize

    584KB

  • memory/1448-4-0x00000000059F0000-0x00000000059FA000-memory.dmp

    Filesize

    40KB

  • memory/1448-9-0x00000000095D0000-0x000000000966C000-memory.dmp

    Filesize

    624KB

  • memory/1448-6-0x0000000006F60000-0x0000000006F7E000-memory.dmp

    Filesize

    120KB

  • memory/1448-2-0x0000000005F80000-0x0000000006524000-memory.dmp

    Filesize

    5.6MB

  • memory/1448-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

    Filesize

    4KB

  • memory/1448-5-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-13-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-1-0x0000000000E50000-0x0000000000F22000-memory.dmp

    Filesize

    840KB

  • memory/1520-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1520-14-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-16-0x0000000074A70000-0x0000000075220000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-15-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/1520-17-0x00000000062B0000-0x0000000006300000-memory.dmp

    Filesize

    320KB