Analysis

  • max time kernel
    95s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:44

General

  • Target

    ADNOC RFQ 978002410.exe

  • Size

    586KB

  • MD5

    d7d8068a6359a97402ee1ba679eed000

  • SHA1

    109ff6b8c1af7ab733f67e706231798db36a9021

  • SHA256

    b973a1bfcaf8f0721dc829c3dd0455c6801e5b6e165bf8a3cf6a8bcdc78f31f2

  • SHA512

    4ef0cab8340275dccd3c8c54c510824358c48c3aa94c945954477ac429d046efd5339ddc9b78ad16fe78349ba87697ac0b6c3fb4f0f8a07a20f3a0491bac0953

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gli-bar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JXYO)o%bT9

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ADNOC RFQ 978002410.exe
    "C:\Users\Admin\AppData\Local\Temp\ADNOC RFQ 978002410.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YCehIP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F54.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:672
    • C:\Users\Admin\AppData\Local\Temp\ADNOC RFQ 978002410.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1332

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ADNOC RFQ 978002410.exe.log
    Filesize

    507B

    MD5

    76ffb2f33cb32ade8fc862a67599e9d8

    SHA1

    920cc4ab75b36d2f9f6e979b74db568973c49130

    SHA256

    f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

    SHA512

    f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

  • C:\Users\Admin\AppData\Local\Temp\tmp6F54.tmp
    Filesize

    1KB

    MD5

    3d6ff5a441ff84f0b878f38d83d3d415

    SHA1

    b20193399b0d95d2f6bb643b48478ab28aabc560

    SHA256

    ff57a31fc99aef10720f73302b14d08e7649626feb2f2f99add788b15b791227

    SHA512

    e77e30dc1e8449608436875b3349b22ca665d6b4045e3cda73fa61170f7f6f7b37193ccaab9e992d27b6318d855fb50eee0c2b8ec2c0e873bc0fac3f78ba6c51

  • memory/672-134-0x0000000000000000-mapping.dmp
  • memory/1332-136-0x0000000000000000-mapping.dmp
  • memory/1332-137-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1332-139-0x00000000063D0000-0x0000000006436000-memory.dmp
    Filesize

    408KB

  • memory/1332-140-0x0000000006BD0000-0x0000000006C20000-memory.dmp
    Filesize

    320KB

  • memory/1332-141-0x0000000006D60000-0x0000000006D6A000-memory.dmp
    Filesize

    40KB

  • memory/1964-130-0x0000000000380000-0x0000000000418000-memory.dmp
    Filesize

    608KB

  • memory/1964-131-0x00000000052C0000-0x0000000005864000-memory.dmp
    Filesize

    5.6MB

  • memory/1964-132-0x0000000004DB0000-0x0000000004E42000-memory.dmp
    Filesize

    584KB

  • memory/1964-133-0x0000000004EF0000-0x0000000004F8C000-memory.dmp
    Filesize

    624KB