Analysis

  • max time kernel
    37s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 15:44

General

  • Target

    TS-240326-UF2.exe

  • Size

    725KB

  • MD5

    cb210b76329eb2d4d69ac6f57687294d

  • SHA1

    bd0106f467ce104d31ece3fa7c9829f6427b6f4d

  • SHA256

    6368cf60f58a19bad4062e6917c1743ca869b69a8a30e7c77a28655915b41376

  • SHA512

    c58748bf43574bbfd57efe41ed063e588176a3bd694f2798209b9beccc2478346c00a6d2dd53a83285ad485bda65e509c0be932418e53354119a8c7f65bb1eaa

  • SSDEEP

    12288:3CNjpa5Wy/pAqn/a7oBZ9AiLfse9/1yFKa3jff7VHavENHGUGskR:yN7yeMa29ASsed0FKozUcmUg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.almadeenabakery.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    a123a123

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 1 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TS-240326-UF2.exe
    "C:\Users\Admin\AppData\Local\Temp\TS-240326-UF2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TS-240326-UF2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rXeCaUtyPVrkBe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rXeCaUtyPVrkBe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8B5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\TS-240326-UF2.exe
      "C:\Users\Admin\AppData\Local\Temp\TS-240326-UF2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2432

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB8B5.tmp
    Filesize

    1KB

    MD5

    941f8259d084af9eb6d997dbd3e5ea34

    SHA1

    b390eef6a5adfae837379f17bee1f1b0b8649a4a

    SHA256

    511d6b128e163b83e77d45fca5b995d0b00d2ad7ded2a9c0dae09eef869679e4

    SHA512

    fb2375865ea861e18e426f5924622c1b12060c2203f985458fa908eeb36c2aab3090bfeb6921a941c090ce7b3c994be09fbbd8a3c9e047bc5e6a4b41c48055fb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FPHZCZASIZ15GA7RS1YS.temp
    Filesize

    7KB

    MD5

    60fda751c6ba6dc23942f8a3049da897

    SHA1

    d4781e1ea91f3f29a1d7c642897a65d02a7c6c2f

    SHA256

    ccaab03aabf7e3c6e5ae010922c94ebb78dc4d23ae3e577cda4bd15cc8bcda11

    SHA512

    1eb5639e66572dea065b57467eb89add3bc07d8f923dad6de51542ea33f0251813a760ea3588e1c3295e2d58523df5cdc579bf7b092aa406d23c902eb12e510e

  • memory/1532-0-0x0000000001360000-0x0000000001418000-memory.dmp
    Filesize

    736KB

  • memory/1532-1-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/1532-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp
    Filesize

    256KB

  • memory/1532-3-0x0000000000280000-0x0000000000292000-memory.dmp
    Filesize

    72KB

  • memory/1532-4-0x00000000002B0000-0x00000000002BC000-memory.dmp
    Filesize

    48KB

  • memory/1532-5-0x00000000052F0000-0x0000000005374000-memory.dmp
    Filesize

    528KB

  • memory/1532-31-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/2432-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-21-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2432-26-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2432-32-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/2432-45-0x0000000001140000-0x0000000001180000-memory.dmp
    Filesize

    256KB

  • memory/2432-44-0x0000000074A40000-0x000000007512E000-memory.dmp
    Filesize

    6.9MB

  • memory/2628-35-0x000000006E8C0000-0x000000006EE6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2628-36-0x0000000002590000-0x00000000025D0000-memory.dmp
    Filesize

    256KB

  • memory/2628-39-0x0000000002590000-0x00000000025D0000-memory.dmp
    Filesize

    256KB

  • memory/2628-40-0x0000000002590000-0x00000000025D0000-memory.dmp
    Filesize

    256KB

  • memory/2628-42-0x000000006E8C0000-0x000000006EE6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2944-37-0x00000000022E0000-0x0000000002320000-memory.dmp
    Filesize

    256KB

  • memory/2944-38-0x000000006E8C0000-0x000000006EE6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2944-41-0x00000000022E0000-0x0000000002320000-memory.dmp
    Filesize

    256KB

  • memory/2944-43-0x000000006E8C0000-0x000000006EE6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2944-34-0x000000006E8C0000-0x000000006EE6B000-memory.dmp
    Filesize

    5.7MB

  • memory/2944-33-0x00000000022E0000-0x0000000002320000-memory.dmp
    Filesize

    256KB