Analysis

  • max time kernel
    96s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 16:26

General

  • Target

    c277827a2afe5d23f11448d75291342c.exe

  • Size

    513KB

  • MD5

    c277827a2afe5d23f11448d75291342c

  • SHA1

    84528fcebd7c5dd3b118dad30bbb3ee30566f98e

  • SHA256

    be98f101070d1ef350f5d1768e640f5f23b047f890fde74495e49b9f6fa4d00b

  • SHA512

    eadd268f6e0932fcb70be92a55d7af04811943c655ea9abb464f6358fe36f7f34b38d2ee29ec2a36c890987cdbc1f1b694d358f488b1d274d64f3924d957e156

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1805574870:AAHXBVpTNJET3oRosoa2brFL9_G19NkXu8I/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe
    "C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe
      C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:744

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/744-71-0x000000000043773E-mapping.dmp
  • memory/744-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/744-72-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/744-74-0x0000000004C70000-0x0000000004C71000-memory.dmp
    Filesize

    4KB

  • memory/1060-59-0x0000000000A00000-0x0000000000A01000-memory.dmp
    Filesize

    4KB

  • memory/1060-61-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/1060-62-0x0000000004B91000-0x0000000004B92000-memory.dmp
    Filesize

    4KB

  • memory/1060-63-0x0000000004B96000-0x0000000004BA7000-memory.dmp
    Filesize

    68KB

  • memory/1060-64-0x0000000002020000-0x0000000002079000-memory.dmp
    Filesize

    356KB

  • memory/1060-69-0x0000000007D30000-0x0000000007DA5000-memory.dmp
    Filesize

    468KB