Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 08:03

General

  • Target

    Invoice_5480394988_5480394682.exe

  • Size

    618KB

  • MD5

    ef83aecc2603e9cbf458c502bff0655c

  • SHA1

    b847e6b115ce83f0622e0d4e1f370b8f42da2f80

  • SHA256

    2b486ce27109e1922e7b1623b94178813248820c46b8cee889af078ae9f4ba54

  • SHA512

    7d3bedc4e1af1e2db66fd5e7dba46247e11c172eb3bb4d5ae914ce68d85f6b9b7bba1980301209725f375a7a23b825422ba64f055104ec1085470e70063310e0

  • SSDEEP

    12288:upEmQepZMSTtH4jbP6stFRklnzTUt0hjMyOH5z9meo8mVzLcsmMaZK:upECtH4v6yGzrInR9wfzldR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.abi0expertise.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Najwa1949!

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice_5480394988_5480394682.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice_5480394988_5480394682.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oCHVJGSwfhuI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oCHVJGSwfhuI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18BE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Invoice_5480394988_5480394682.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice_5480394988_5480394682.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice_5480394988_5480394682.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tsmortya.zaw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp18BE.tmp

    Filesize

    1KB

    MD5

    cf5aeb3731f998696732193f23baf5aa

    SHA1

    b24ca0366b17614f79495ffb7424123d689b714e

    SHA256

    865dccad80894cebb59d4d7645ed5e4d729a9402cf1973469a032b25f834c68a

    SHA512

    32e28d6146ecd90c06c0c37c199a29af8858f7a9a6021f064b56d8a038505841a78ae6fe54c95f4d84dd029911858ad4c92927ebc98a1965c0a7407008354076

  • memory/960-73-0x0000000005C10000-0x0000000005C20000-memory.dmp

    Filesize

    64KB

  • memory/960-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/960-24-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/960-28-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/960-27-0x0000000005C10000-0x0000000005C20000-memory.dmp

    Filesize

    64KB

  • memory/960-44-0x00000000067B0000-0x0000000006800000-memory.dmp

    Filesize

    320KB

  • memory/960-72-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-2-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB

  • memory/1712-26-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-8-0x0000000005DA0000-0x0000000005DA8000-memory.dmp

    Filesize

    32KB

  • memory/1712-9-0x0000000009060000-0x000000000906A000-memory.dmp

    Filesize

    40KB

  • memory/1712-10-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-11-0x00000000093A0000-0x000000000941A000-memory.dmp

    Filesize

    488KB

  • memory/1712-16-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/1712-7-0x0000000005D40000-0x0000000005D58000-memory.dmp

    Filesize

    96KB

  • memory/1712-6-0x0000000005A40000-0x0000000005ADC000-memory.dmp

    Filesize

    624KB

  • memory/1712-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

    Filesize

    40KB

  • memory/1712-4-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/1712-3-0x0000000005810000-0x00000000058A2000-memory.dmp

    Filesize

    584KB

  • memory/1712-1-0x0000000000D30000-0x0000000000DD0000-memory.dmp

    Filesize

    640KB

  • memory/1712-0-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3800-29-0x0000000006150000-0x0000000006172000-memory.dmp

    Filesize

    136KB

  • memory/3800-59-0x00000000082C0000-0x000000000893A000-memory.dmp

    Filesize

    6.5MB

  • memory/3800-25-0x0000000005A70000-0x0000000006098000-memory.dmp

    Filesize

    6.2MB

  • memory/3800-40-0x0000000006450000-0x00000000067A4000-memory.dmp

    Filesize

    3.3MB

  • memory/3800-41-0x0000000006970000-0x000000000698E000-memory.dmp

    Filesize

    120KB

  • memory/3800-42-0x0000000006A20000-0x0000000006A6C000-memory.dmp

    Filesize

    304KB

  • memory/3800-43-0x0000000003040000-0x0000000003050000-memory.dmp

    Filesize

    64KB

  • memory/3800-18-0x0000000005400000-0x0000000005436000-memory.dmp

    Filesize

    216KB

  • memory/3800-45-0x000000007F410000-0x000000007F420000-memory.dmp

    Filesize

    64KB

  • memory/3800-46-0x0000000006F30000-0x0000000006F62000-memory.dmp

    Filesize

    200KB

  • memory/3800-47-0x0000000070C40000-0x0000000070C8C000-memory.dmp

    Filesize

    304KB

  • memory/3800-57-0x0000000006F10000-0x0000000006F2E000-memory.dmp

    Filesize

    120KB

  • memory/3800-58-0x0000000007980000-0x0000000007A23000-memory.dmp

    Filesize

    652KB

  • memory/3800-30-0x0000000006270000-0x00000000062D6000-memory.dmp

    Filesize

    408KB

  • memory/3800-60-0x0000000007C80000-0x0000000007C9A000-memory.dmp

    Filesize

    104KB

  • memory/3800-61-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

    Filesize

    40KB

  • memory/3800-62-0x0000000007F00000-0x0000000007F96000-memory.dmp

    Filesize

    600KB

  • memory/3800-63-0x0000000007E80000-0x0000000007E91000-memory.dmp

    Filesize

    68KB

  • memory/3800-64-0x0000000007ED0000-0x0000000007EDE000-memory.dmp

    Filesize

    56KB

  • memory/3800-65-0x0000000007EE0000-0x0000000007EF4000-memory.dmp

    Filesize

    80KB

  • memory/3800-66-0x0000000007FE0000-0x0000000007FFA000-memory.dmp

    Filesize

    104KB

  • memory/3800-67-0x0000000007FC0000-0x0000000007FC8000-memory.dmp

    Filesize

    32KB

  • memory/3800-68-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3800-71-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB

  • memory/3800-20-0x0000000003040000-0x0000000003050000-memory.dmp

    Filesize

    64KB

  • memory/3800-17-0x0000000074FC0000-0x0000000075770000-memory.dmp

    Filesize

    7.7MB