Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 16:50

General

  • Target

    Halkbank_Ekstre_20230426_075819_154055.exe

  • Size

    1.0MB

  • MD5

    d902389745181b9523d4e44853b49908

  • SHA1

    b44969265ce1cb2aed4449ea5c0a1801e15f1a72

  • SHA256

    e9767c506d805d84d30aba139bb06e03f96f3043e902e28d4b36255e9171095b

  • SHA512

    0aeb148113c6ddf1f4a18d2ef80146101f51900c66b41ffee3ba05cb60accc4caa0a402349a25023454b29017077827353756fe9b3e73bb9255f53a27425fd52

  • SSDEEP

    12288:IGIhkZ5E+FFxaj4eM20QwoVFuLIY7FeYAACNfJKge+umkTB8v+HA:INK/E+FCm20QwoVF8j4YVCND4NKv

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1181694684779774053/cjX92o8l0vLPPbckpCo-xQ0jvH0TS_eICms_KB3YyUJFt-WblpJpKAzIalPuSzKKPxcp

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe
    "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe
      "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230426_075819_154055.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1984-0-0x0000000000200000-0x0000000000312000-memory.dmp

    Filesize

    1.1MB

  • memory/1984-1-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1984-2-0x00000000004F0000-0x0000000000530000-memory.dmp

    Filesize

    256KB

  • memory/1984-3-0x0000000000370000-0x000000000038A000-memory.dmp

    Filesize

    104KB

  • memory/1984-4-0x00000000004E0000-0x00000000004E8000-memory.dmp

    Filesize

    32KB

  • memory/1984-5-0x0000000000710000-0x000000000071A000-memory.dmp

    Filesize

    40KB

  • memory/1984-6-0x0000000004E50000-0x0000000004ECC000-memory.dmp

    Filesize

    496KB

  • memory/1984-7-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1984-8-0x00000000004F0000-0x0000000000530000-memory.dmp

    Filesize

    256KB

  • memory/1984-20-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-22-0x00000000047C0000-0x0000000004800000-memory.dmp

    Filesize

    256KB

  • memory/2760-21-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2760-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2760-23-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2760-24-0x00000000047C0000-0x0000000004800000-memory.dmp

    Filesize

    256KB