Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 02:17

General

  • Target

    BILLING REPORT..exe

  • Size

    670KB

  • MD5

    82ed2d50defbaa3056e1216f7a04fd29

  • SHA1

    b0c53c84b62236adb6dbe7adad055e13c6ff58cd

  • SHA256

    5367bdd7476c6a1d2ac38b0d8efcbaba0c74176f86cc0f76e925407e62605071

  • SHA512

    550d35d6c2dae4cf1d818a5d6d77d9359cdf4420d1dcd831cd39c179bacaf441800afe11d0961f8affe718f349d0aed92816c4b8d0c15a95231a7dad453e9356

  • SSDEEP

    12288:sme0YOwq0IDzlpnjRSsrj65vGdaM6Ge/zqdrAamH8Wss:+O70I3lbBaZo6a3Wb

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.shivomrealty.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Priya1982#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe
    "C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4620
    • 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\BILLING REPORT..exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\azSeNNFbJYW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\azSeNNFbJYW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA7C9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:548
    • C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe
      "C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe"
      2⤵
        PID:412
      • C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe
        "C:\Users\Admin\AppData\Local\Temp\BILLING REPORT..exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3296

    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

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      18KB

      MD5

      68ef8517502b9433f9fbe17dccf4505b

      SHA1

      32dfe6ec8c288872b66dcfbbfd2ddca30379f6a5

      SHA256

      06c9cb804c309eb3f6f5962189a6c8dd95dfec53304b6382e895c2b9ce757b0b

      SHA512

      a1f76b9c6cedeffed07d2b9e714a6b087c13a21d9e19fba8adc2d6dd537c0674c1b56f7af0671f77a56e8cba5ff0ede5adf8f24aa5d77bd0b65b1393f94e0c35

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e0agzbkf.wq5.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpA7C9.tmp
      Filesize

      1KB

      MD5

      c7d5194d305e55c8bb74a34ce19e1f4a

      SHA1

      cec28249aa49529a601585184a0dc6a59b2eacee

      SHA256

      503d7d3725759cb1070aa2b8a91bf113d4b8c4aa0fbe061755500b8b8857d59e

      SHA512

      289c0b19c4856f4476876e2d4c4e5792c7193e1ce64f04d67f880450432d7be0154195a9ae2813cbc426edbc84a1e5779be25aef8c874dd22809eef2ab833b39

    • memory/552-78-0x0000000007570000-0x0000000007BEA000-memory.dmp
      Filesize

      6.5MB

    • memory/552-66-0x000000007F0D0000-0x000000007F0E0000-memory.dmp
      Filesize

      64KB

    • memory/552-82-0x0000000007120000-0x0000000007131000-memory.dmp
      Filesize

      68KB

    • memory/552-81-0x00000000071A0000-0x0000000007236000-memory.dmp
      Filesize

      600KB

    • memory/552-86-0x0000000007260000-0x000000000727A000-memory.dmp
      Filesize

      104KB

    • memory/552-77-0x0000000006BF0000-0x0000000006C93000-memory.dmp
      Filesize

      652KB

    • memory/552-67-0x0000000075850000-0x000000007589C000-memory.dmp
      Filesize

      304KB

    • memory/552-85-0x0000000007160000-0x0000000007174000-memory.dmp
      Filesize

      80KB

    • memory/552-52-0x0000000004800000-0x0000000004810000-memory.dmp
      Filesize

      64KB

    • memory/552-19-0x0000000004800000-0x0000000004810000-memory.dmp
      Filesize

      64KB

    • memory/552-18-0x0000000004800000-0x0000000004810000-memory.dmp
      Filesize

      64KB

    • memory/552-17-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/552-94-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/552-32-0x00000000055B0000-0x0000000005904000-memory.dmp
      Filesize

      3.3MB

    • memory/552-24-0x0000000005470000-0x00000000054D6000-memory.dmp
      Filesize

      408KB

    • memory/1064-79-0x0000000007410000-0x000000000742A000-memory.dmp
      Filesize

      104KB

    • memory/1064-15-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/1064-22-0x0000000005110000-0x0000000005132000-memory.dmp
      Filesize

      136KB

    • memory/1064-93-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/1064-23-0x00000000051B0000-0x0000000005216000-memory.dmp
      Filesize

      408KB

    • memory/1064-87-0x0000000007730000-0x0000000007738000-memory.dmp
      Filesize

      32KB

    • memory/1064-84-0x0000000007640000-0x000000000764E000-memory.dmp
      Filesize

      56KB

    • memory/1064-80-0x0000000007490000-0x000000000749A000-memory.dmp
      Filesize

      40KB

    • memory/1064-20-0x0000000002810000-0x0000000002820000-memory.dmp
      Filesize

      64KB

    • memory/1064-50-0x0000000006100000-0x000000000611E000-memory.dmp
      Filesize

      120KB

    • memory/1064-51-0x0000000006130000-0x000000000617C000-memory.dmp
      Filesize

      304KB

    • memory/1064-16-0x0000000005320000-0x0000000005948000-memory.dmp
      Filesize

      6.2MB

    • memory/1064-53-0x000000007F670000-0x000000007F680000-memory.dmp
      Filesize

      64KB

    • memory/1064-54-0x00000000070A0000-0x00000000070D2000-memory.dmp
      Filesize

      200KB

    • memory/1064-55-0x0000000075850000-0x000000007589C000-memory.dmp
      Filesize

      304KB

    • memory/1064-65-0x00000000066C0000-0x00000000066DE000-memory.dmp
      Filesize

      120KB

    • memory/1064-14-0x00000000027D0000-0x0000000002806000-memory.dmp
      Filesize

      216KB

    • memory/3296-83-0x0000000006180000-0x00000000061D0000-memory.dmp
      Filesize

      320KB

    • memory/3296-96-0x00000000051D0000-0x00000000051E0000-memory.dmp
      Filesize

      64KB

    • memory/3296-95-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/3296-47-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/3296-25-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/3296-49-0x00000000051D0000-0x00000000051E0000-memory.dmp
      Filesize

      64KB

    • memory/4620-48-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/4620-6-0x0000000005A20000-0x0000000005A3A000-memory.dmp
      Filesize

      104KB

    • memory/4620-7-0x0000000005A60000-0x0000000005A6C000-memory.dmp
      Filesize

      48KB

    • memory/4620-5-0x0000000005870000-0x000000000587A000-memory.dmp
      Filesize

      40KB

    • memory/4620-4-0x0000000005A70000-0x0000000005A80000-memory.dmp
      Filesize

      64KB

    • memory/4620-8-0x0000000006E60000-0x0000000006EE2000-memory.dmp
      Filesize

      520KB

    • memory/4620-3-0x00000000058F0000-0x0000000005982000-memory.dmp
      Filesize

      584KB

    • memory/4620-37-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/4620-2-0x0000000005E00000-0x00000000063A4000-memory.dmp
      Filesize

      5.6MB

    • memory/4620-1-0x0000000074FB0000-0x0000000075760000-memory.dmp
      Filesize

      7.7MB

    • memory/4620-0-0x0000000000DD0000-0x0000000000E7E000-memory.dmp
      Filesize

      696KB

    • memory/4620-9-0x0000000009570000-0x000000000960C000-memory.dmp
      Filesize

      624KB