Analysis

  • max time kernel
    143s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 14:43

General

  • Target

    rPO(1437).exe

  • Size

    618KB

  • MD5

    41c91c8f3a9d75efccd89372ecff39db

  • SHA1

    325e0b574a81dd05673b1087e8ee93110d5a505d

  • SHA256

    4ce5396c87f3a1c529e9f482ef25383e8e9751b39b2c0461c6f64526549fa639

  • SHA512

    d8b3fc60ebefa133a67eb27b46c532145190d27b26341ca4a203d2d4559d8160a6dafb178cde53a9d9cb68b63631fe097e704d897e87ee44be7328d2831d9c68

  • SSDEEP

    12288:2Z3IU8S6eUdT3AhlizaWgPxyb5VywPmSASteQgsjyGDrID12EsYRsnnIKG:2RItSAdTZrVywIuryx1h

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe
    "C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LTDKGtbYzHjDN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LTDKGtbYzHjDN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp148D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4596
    • C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe
      "C:\Users\Admin\AppData\Local\Temp\rPO(1437).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rPO(1437).exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmnx4dm1.ouv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp148D.tmp

    Filesize

    1KB

    MD5

    73374edd31c7c2df1e6bf2f21c3d420a

    SHA1

    c759b8ac09deb86a9358e9bf96695984717295ab

    SHA256

    68db58dbe4ed88bd0fe3046feb60e5e66430d7b0109c9334107da89c42749f9a

    SHA512

    24ecddc01430b76753f1b70f45fda31839e150c9546db63eb318989e0e41ece2a62fb296ade62b3255aba2185908e61b45f04ed5de5c83f8b0a7d14c7e44b74b

  • memory/1536-58-0x0000000007910000-0x00000000079B3000-memory.dmp

    Filesize

    652KB

  • memory/1536-66-0x0000000007EB0000-0x0000000007EC4000-memory.dmp

    Filesize

    80KB

  • memory/1536-30-0x0000000005A50000-0x0000000005A72000-memory.dmp

    Filesize

    136KB

  • memory/1536-71-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1536-68-0x0000000007F90000-0x0000000007F98000-memory.dmp

    Filesize

    32KB

  • memory/1536-67-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

    Filesize

    104KB

  • memory/1536-31-0x00000000061A0000-0x0000000006206000-memory.dmp

    Filesize

    408KB

  • memory/1536-65-0x0000000007EA0000-0x0000000007EAE000-memory.dmp

    Filesize

    56KB

  • memory/1536-64-0x0000000007E50000-0x0000000007E61000-memory.dmp

    Filesize

    68KB

  • memory/1536-15-0x0000000005380000-0x00000000053B6000-memory.dmp

    Filesize

    216KB

  • memory/1536-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1536-18-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/1536-20-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/1536-63-0x0000000007ED0000-0x0000000007F66000-memory.dmp

    Filesize

    600KB

  • memory/1536-21-0x0000000005AC0000-0x00000000060E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1536-62-0x0000000007CC0000-0x0000000007CCA000-memory.dmp

    Filesize

    40KB

  • memory/1536-60-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/1536-59-0x0000000008290000-0x000000000890A000-memory.dmp

    Filesize

    6.5MB

  • memory/1536-57-0x0000000006EF0000-0x0000000006F0E000-memory.dmp

    Filesize

    120KB

  • memory/1536-47-0x0000000070F60000-0x0000000070FAC000-memory.dmp

    Filesize

    304KB

  • memory/1536-46-0x0000000006F10000-0x0000000006F42000-memory.dmp

    Filesize

    200KB

  • memory/1536-45-0x000000007EE90000-0x000000007EEA0000-memory.dmp

    Filesize

    64KB

  • memory/1536-44-0x0000000005480000-0x0000000005490000-memory.dmp

    Filesize

    64KB

  • memory/1536-42-0x0000000006930000-0x000000000694E000-memory.dmp

    Filesize

    120KB

  • memory/1536-43-0x00000000069F0000-0x0000000006A3C000-memory.dmp

    Filesize

    304KB

  • memory/1536-41-0x0000000006430000-0x0000000006784000-memory.dmp

    Filesize

    3.3MB

  • memory/2440-1-0x0000000000910000-0x00000000009B0000-memory.dmp

    Filesize

    640KB

  • memory/2440-5-0x00000000053A0000-0x00000000053AA000-memory.dmp

    Filesize

    40KB

  • memory/2440-4-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/2440-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-0-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-26-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-25-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/2440-10-0x00000000090A0000-0x000000000913C000-memory.dmp

    Filesize

    624KB

  • memory/2440-2-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

  • memory/2440-6-0x0000000005640000-0x0000000005658000-memory.dmp

    Filesize

    96KB

  • memory/2440-7-0x0000000005620000-0x0000000005628000-memory.dmp

    Filesize

    32KB

  • memory/2440-8-0x0000000005830000-0x000000000583A000-memory.dmp

    Filesize

    40KB

  • memory/2440-9-0x000000000A410000-0x000000000A48A000-memory.dmp

    Filesize

    488KB

  • memory/2440-3-0x00000000053B0000-0x0000000005442000-memory.dmp

    Filesize

    584KB

  • memory/3220-27-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/3220-29-0x0000000005990000-0x00000000059F6000-memory.dmp

    Filesize

    408KB

  • memory/3220-28-0x0000000005810000-0x0000000005820000-memory.dmp

    Filesize

    64KB

  • memory/3220-72-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/3220-73-0x0000000005810000-0x0000000005820000-memory.dmp

    Filesize

    64KB

  • memory/3220-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3220-61-0x0000000006770000-0x00000000067C0000-memory.dmp

    Filesize

    320KB