Analysis

  • max time kernel
    86s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:59

General

  • Target

    ORDER_LIST.exe

  • Size

    444KB

  • MD5

    84e7c04788a3a119123f56312db8c042

  • SHA1

    f0acaefd55714c85d04b8a7a989946d4cfbeb8c0

  • SHA256

    bfca04674fa6b8750999ea3885509542dd6bd0574cdb1dae6d4161ab70badb54

  • SHA512

    f19566d1d8345d0a1073a792b3521c191d7b331d948133f87d7ec413311f19d54a423a3303e6f0e229db7fac8eb7ebf0dfb2fcea9c38817066797d74520f77c9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ab-care.eu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bayar@2017@abcare

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hcGmRnlXq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7495.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1784
    • C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:884

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7495.tmp
    Filesize

    1KB

    MD5

    be202b625b591210aa4291b70c984f03

    SHA1

    7a8bbccda12e723a94bf1e214db73a9765ae5f4d

    SHA256

    1453988e379603e55a735c4a8eeed2d98bb5742645a5e900300a0e3e022530f4

    SHA512

    5f5a30b7341ecd7d469ad11735c1eaea4701c1eddf99d127f600d85eb40e55622c9ecb7334a8722518bfdc06547906dfcc210b8a38f3afea5c66d5ae2a21e306

  • memory/884-61-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-58-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-59-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-62-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-64-0x000000000044A12E-mapping.dmp
  • memory/884-63-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-66-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-68-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/884-70-0x0000000074E10000-0x00000000753BB000-memory.dmp
    Filesize

    5.7MB

  • memory/1784-56-0x0000000000000000-mapping.dmp
  • memory/2016-55-0x0000000074E10000-0x00000000753BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2016-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmp
    Filesize

    8KB