Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 01:20

General

  • Target

    c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe

  • Size

    641KB

  • MD5

    2546f92a54b6f32407cb0d86c91b330c

  • SHA1

    3b2eeddcae26a3efbb431fc4863e4765ff556392

  • SHA256

    c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce

  • SHA512

    df3cdd886e0ac5c315e47b352030313d189d51d4d959977421e443cf6fffd02df108319b5b277c202567caa86327803e1aaf9830d89c3bbc8ee7015703f28ea4

  • SSDEEP

    12288:Tbx119VXiwDIgVFyDu7iKXy2pGL3v5GzD1uIOUgQX14JE9xje50VwXH:BD95lGb5GzDL1pg06

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3692
    • 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\c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dpRbrdOWQX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpRbrdOWQX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAB2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1956
    • C:\Users\Admin\AppData\Local\Temp\c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe
      "C:\Users\Admin\AppData\Local\Temp\c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    6715aff1b08e8c8a31dd8f13b304d43d

    SHA1

    75fcb5b5529c900f0709f6429bff666f6d45a27e

    SHA256

    9d9f960ac575eff907225e8a31e155ab69b8665e5cdfe8fa5f3d5d825fe61829

    SHA512

    b2bdb6865d7d68ac464c0b32a3bbfd6b85f65b670dd23edc439131c3ec5eab522bea5d98b5c36aa7e60db3849826aa6965be5e2063f8796480b3a2677dad9c4e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mno10yzb.3hu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCAB2.tmp

    Filesize

    1KB

    MD5

    57b9a44c480758850dd3efb1f266258d

    SHA1

    ea02a42c0fad09b06aee5395d151687c3b55a3f9

    SHA256

    fa2a3ed9b060c4c12e5d52c01b24bed78f6047de3b7e6c9e6244d484dad09439

    SHA512

    559454fe2db1f6d6e26cbd8d7dcff9a980e121b1553f57a3d5cfa50ba45c7fbe750826ef61df6ed8de5d3533f1aad7e6b67293ee493699e0151c0b097517fd3e

  • memory/2456-90-0x0000000006980000-0x00000000069D0000-memory.dmp

    Filesize

    320KB

  • memory/2456-41-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3692-7-0x000000007507E000-0x000000007507F000-memory.dmp

    Filesize

    4KB

  • memory/3692-4-0x0000000005800000-0x000000000580A000-memory.dmp

    Filesize

    40KB

  • memory/3692-8-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3692-9-0x0000000006BA0000-0x0000000006C22000-memory.dmp

    Filesize

    520KB

  • memory/3692-10-0x0000000009320000-0x00000000093BC000-memory.dmp

    Filesize

    624KB

  • memory/3692-6-0x0000000005900000-0x0000000005910000-memory.dmp

    Filesize

    64KB

  • memory/3692-0-0x000000007507E000-0x000000007507F000-memory.dmp

    Filesize

    4KB

  • memory/3692-48-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3692-5-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3692-1-0x0000000000BC0000-0x0000000000C66000-memory.dmp

    Filesize

    664KB

  • memory/3692-2-0x0000000005B40000-0x00000000060E4000-memory.dmp

    Filesize

    5.6MB

  • memory/3692-3-0x0000000005670000-0x0000000005702000-memory.dmp

    Filesize

    584KB

  • memory/4664-31-0x00000000056E0000-0x0000000005A34000-memory.dmp

    Filesize

    3.3MB

  • memory/4664-64-0x00000000758D0000-0x000000007591C000-memory.dmp

    Filesize

    304KB

  • memory/4664-21-0x0000000004DB0000-0x0000000004E16000-memory.dmp

    Filesize

    408KB

  • memory/4664-23-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/4664-19-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-42-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-22-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-20-0x0000000004C10000-0x0000000004C32000-memory.dmp

    Filesize

    136KB

  • memory/4664-88-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4664-82-0x0000000007320000-0x0000000007328000-memory.dmp

    Filesize

    32KB

  • memory/4664-81-0x0000000007340000-0x000000000735A000-memory.dmp

    Filesize

    104KB

  • memory/4664-74-0x0000000007650000-0x0000000007CCA000-memory.dmp

    Filesize

    6.5MB

  • memory/4756-16-0x00000000052A0000-0x00000000058C8000-memory.dmp

    Filesize

    6.2MB

  • memory/4756-62-0x00000000065F0000-0x000000000660E000-memory.dmp

    Filesize

    120KB

  • memory/4756-63-0x0000000007290000-0x0000000007333000-memory.dmp

    Filesize

    652KB

  • memory/4756-51-0x0000000007250000-0x0000000007282000-memory.dmp

    Filesize

    200KB

  • memory/4756-75-0x00000000073A0000-0x00000000073BA000-memory.dmp

    Filesize

    104KB

  • memory/4756-52-0x00000000758D0000-0x000000007591C000-memory.dmp

    Filesize

    304KB

  • memory/4756-76-0x0000000007410000-0x000000000741A000-memory.dmp

    Filesize

    40KB

  • memory/4756-77-0x0000000007620000-0x00000000076B6000-memory.dmp

    Filesize

    600KB

  • memory/4756-78-0x00000000075A0000-0x00000000075B1000-memory.dmp

    Filesize

    68KB

  • memory/4756-79-0x00000000075D0000-0x00000000075DE000-memory.dmp

    Filesize

    56KB

  • memory/4756-50-0x0000000006620000-0x000000000666C000-memory.dmp

    Filesize

    304KB

  • memory/4756-49-0x0000000006080000-0x000000000609E000-memory.dmp

    Filesize

    120KB

  • memory/4756-80-0x00000000075E0000-0x00000000075F4000-memory.dmp

    Filesize

    80KB

  • memory/4756-30-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4756-18-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4756-17-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4756-89-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/4756-15-0x0000000002770000-0x00000000027A6000-memory.dmp

    Filesize

    216KB