Analysis

  • max time kernel
    136s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 08:05

General

  • Target

    opkgdffg.exe

  • Size

    335KB

  • MD5

    e42d457317360c8d5308efd134d7cdd1

  • SHA1

    873dcee67be13ddef3ed9145b6008c89b44eb4f3

  • SHA256

    c81410938b3279f11111fdb6a5be66bf5a52a2e902ad47aa6106ce32fa893acd

  • SHA512

    4035e3976ed3b8980473d2361acc9e1bdf514542d6d838d59b5e864a83f166c55e145a3f2504e99a3b9f8862254d40af6b6a17f2f6852eb276e8429a8d38a7a6

  • SSDEEP

    6144:W6sAuV9qFsBDNkRvmJ6MRmAWoWQj+cFFGWeqv4iPvFTwCHxrdQ8eq844iFECA4OQ:W6BTFsBDN5J6OmxohFnXTVG8eAFE6OI

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6669461375:AAGwrSGDuGS4lzGe3ziI4ubZc9TzQ8r1m8o/

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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe
    "C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe
      "C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4164
    • C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe
      "C:\Users\Admin\AppData\Local\Temp\opkgdffg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1664-10-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/1664-18-0x0000000004EC0000-0x0000000004ED0000-memory.dmp

    Filesize

    64KB

  • memory/1664-17-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/1664-16-0x0000000006700000-0x000000000670A000-memory.dmp

    Filesize

    40KB

  • memory/1664-15-0x0000000005E10000-0x0000000005EAC000-memory.dmp

    Filesize

    624KB

  • memory/1664-14-0x0000000005D20000-0x0000000005D70000-memory.dmp

    Filesize

    320KB

  • memory/1664-13-0x0000000005080000-0x00000000050E6000-memory.dmp

    Filesize

    408KB

  • memory/2904-4-0x0000000004C30000-0x0000000004C40000-memory.dmp

    Filesize

    64KB

  • memory/2904-12-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-5-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

    Filesize

    4KB

  • memory/2904-0-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-3-0x0000000004C60000-0x0000000004CF2000-memory.dmp

    Filesize

    584KB

  • memory/2904-2-0x0000000005130000-0x00000000056D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2904-1-0x0000000000230000-0x0000000000288000-memory.dmp

    Filesize

    352KB

  • memory/4164-8-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/4164-7-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4164-11-0x0000000074460000-0x0000000074C10000-memory.dmp

    Filesize

    7.7MB

  • memory/4164-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB