Analysis

  • max time kernel
    109s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-05-2021 11:05

General

  • Target

    Transfer1096-20_736289_PDF.exe

  • Size

    973KB

  • MD5

    cfb6d7cd819b64c8c3088e5c9004712e

  • SHA1

    4f233fd6e38c06f035064665fe15e6374bee382d

  • SHA256

    eb0801ae0c61475a74fbc4bbe7c89df02fd2e2473f80b31e562af202f4dc8378

  • SHA512

    1209a084204d3eb15ca40174b7223befb29f349a235af61bde0452715fd7f4f1ddca31b1c8338e2bb87ef67f41ecfe92a3e811c240ed63c46d4f82ddf3cb9add

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Transfer1096-20_736289_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Transfer1096-20_736289_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\Transfer1096-20_736289_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Transfer1096-20_736289_PDF.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:796

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/796-67-0x0000000000400000-0x000000000043E000-memory.dmp
    Filesize

    248KB

  • memory/796-68-0x0000000000403670-mapping.dmp
  • memory/796-72-0x0000000074D91000-0x0000000074D93000-memory.dmp
    Filesize

    8KB

  • memory/796-73-0x0000000000400000-0x000000000043E000-memory.dmp
    Filesize

    248KB

  • memory/1816-60-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
    Filesize

    4KB

  • memory/1816-62-0x00000000002C0000-0x00000000002C4000-memory.dmp
    Filesize

    16KB

  • memory/1816-63-0x00000000045E0000-0x00000000045E1000-memory.dmp
    Filesize

    4KB

  • memory/1816-64-0x00000000051F0000-0x00000000052CC000-memory.dmp
    Filesize

    880KB

  • memory/1816-65-0x00000000077B0000-0x0000000007885000-memory.dmp
    Filesize

    852KB

  • memory/1816-66-0x0000000004E80000-0x0000000004EFB000-memory.dmp
    Filesize

    492KB