Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:31

General

  • Target

    6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e.exe

  • Size

    831KB

  • MD5

    de9a7592767870d46a0c9b6904123e41

  • SHA1

    a6b927daae8cc3a086c396826cdb1a27e324e517

  • SHA256

    6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e

  • SHA512

    4a761b3aaa8a2969ea77b65e2348e8b7826e558fa8f77e731634c876ffe2dcfa524b78f1facd51d573cbc8e2b83fdea8a0013b0696354372432dc5ed0150496b

  • SSDEEP

    12288:zfYNr4RfqsxP45+po2EbiC3BXx/kzdZ3B6JnbEp9TWUDUMDq3UbyNMAGzZiNS:Tqsk+pJEbiCRXRO30Jb6TWUDUMDqn+G

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e.exe
    "C:\Users\Admin\AppData\Local\Temp\6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uhdslg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EAF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e.exe
      "C:\Users\Admin\AppData\Local\Temp\6d74543f38f2167a092399d5f54dd0a1343046a4d46a750537376c03bf2c725e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uhdslg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9EAF.tmp

    Filesize

    1KB

    MD5

    43c2620e0a7b3e5f185c8fb78ac6ab60

    SHA1

    013914e77974c0363013de3c0bb4e7fa2f13a51c

    SHA256

    23daeaa3df4c851b7da71be399e06144678657f9b1a9629ae60dacb2bae2b382

    SHA512

    8340f1ea5e9aed23cc6bcf191ed23c73b5220e9fbf163d17bbdf83514b9005c4f6218d2580989c43e8759fbdb97191f2a049145476ca621a9b28dea5eb92d0ca

  • memory/2104-6-0x0000000004E50000-0x0000000004ECA000-memory.dmp

    Filesize

    488KB

  • memory/2104-2-0x0000000004E10000-0x0000000004E50000-memory.dmp

    Filesize

    256KB

  • memory/2104-3-0x0000000000340000-0x0000000000358000-memory.dmp

    Filesize

    96KB

  • memory/2104-5-0x0000000000360000-0x000000000036A000-memory.dmp

    Filesize

    40KB

  • memory/2104-4-0x0000000000250000-0x0000000000258000-memory.dmp

    Filesize

    32KB

  • memory/2104-0-0x0000000000260000-0x0000000000336000-memory.dmp

    Filesize

    856KB

  • memory/2104-28-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-1-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2312-33-0x000000006EA30000-0x000000006EFDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2312-35-0x000000006EA30000-0x000000006EFDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2312-31-0x000000006EA30000-0x000000006EFDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2312-30-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2312-34-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2620-29-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-32-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/2620-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2620-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-36-0x0000000074600000-0x0000000074CEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-37-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB