Analysis

  • max time kernel
    91s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-04-2022 12:25

General

  • Target

    7f2de255697206b9992e862bce8c0235f0dd6633191969fc8166223a3b57cc49.exe

  • Size

    586KB

  • MD5

    867e0954cf78d21d9c5968fd484baf9c

  • SHA1

    c732ca209637256084553cb598581028d3c69ba3

  • SHA256

    7f2de255697206b9992e862bce8c0235f0dd6633191969fc8166223a3b57cc49

  • SHA512

    cecb5fd1737a9e976a81317696b582bdfea0970a3f01bfa562ec0d675e4b99cc81558bec63d46c9393481070f41121238fcb69622886a804079016539c3ae28c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.p0lybrands.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MNOMcpt7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2de255697206b9992e862bce8c0235f0dd6633191969fc8166223a3b57cc49.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2de255697206b9992e862bce8c0235f0dd6633191969fc8166223a3b57cc49.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bAwXFyN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB829.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1000
    • C:\Users\Admin\AppData\Local\Temp\7f2de255697206b9992e862bce8c0235f0dd6633191969fc8166223a3b57cc49.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB829.tmp

    Filesize

    1KB

    MD5

    88229735cb2dea959c16cedfa83cc496

    SHA1

    03c0ba262203faa2a577154f79a7e7837e9844b9

    SHA256

    74ac0304391a715f0e0c19c5c997aa12b6ff0fc735aef018187a6b42df347e85

    SHA512

    c23c3feb57f58877adc78746e6bf254a1182951703085dfff55fcfdc6b338e1c1c39737ee9480e7ff1c1f948ebad462a802257b67d8c2698f42b5540c412f02b

  • memory/1088-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1088-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1900-56-0x0000000007E40000-0x0000000007EC0000-memory.dmp

    Filesize

    512KB

  • memory/1900-55-0x0000000000800000-0x000000000081C000-memory.dmp

    Filesize

    112KB

  • memory/1900-54-0x0000000000820000-0x00000000008B8000-memory.dmp

    Filesize

    608KB