Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 15:36

General

  • Target

    MVTBNCALLPORTFORLOADINGCOALpdf.exe

  • Size

    641KB

  • MD5

    2546f92a54b6f32407cb0d86c91b330c

  • SHA1

    3b2eeddcae26a3efbb431fc4863e4765ff556392

  • SHA256

    c4152d490edfcc1620c4579bc9e9455b8cb71cb9efecb38140a22385ea95a9ce

  • SHA512

    df3cdd886e0ac5c315e47b352030313d189d51d4d959977421e443cf6fffd02df108319b5b277c202567caa86327803e1aaf9830d89c3bbc8ee7015703f28ea4

  • SSDEEP

    12288:Tbx119VXiwDIgVFyDu7iKXy2pGL3v5GzD1uIOUgQX14JE9xje50VwXH:BD95lGb5GzDL1pg06

Malware Config

Extracted

Credentials

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

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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MVTBNCALLPORTFORLOADINGCOALpdf.exe
    "C:\Users\Admin\AppData\Local\Temp\MVTBNCALLPORTFORLOADINGCOALpdf.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:2904
    • 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\MVTBNCALLPORTFORLOADINGCOALpdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1200
    • 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:452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpRbrdOWQX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9385.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1588
    • C:\Users\Admin\AppData\Local\Temp\MVTBNCALLPORTFORLOADINGCOALpdf.exe
      "C:\Users\Admin\AppData\Local\Temp\MVTBNCALLPORTFORLOADINGCOALpdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2076

Network

MITRE ATT&CK Enterprise v15

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

    5dedde3bf1ab08000a7fa56fc96832c2

    SHA1

    54ad21ed8737bde3da895270db7de748fe6e74cc

    SHA256

    eb9b1718ee8834ebd30bd152a42c96e141b03a60c6e16ab66e9b4b2cded0a62a

    SHA512

    2062cee26a1fd46db79ffe201fec1ebce797a1a8896c6717066dcec97b0532924fe77d9904045fd130ef052cbab021424c63092977531cb5538f27ff4f303dd4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2kheaq54.wjn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9385.tmp

    Filesize

    1KB

    MD5

    107a97ac5366c4063f613ad6ace7e4dc

    SHA1

    8e03c5f0081bd64159f21bb8c2a14129d9429eee

    SHA256

    656d6f22a749bd4552e8359a029469c5b1ac29061f07c7a07eea5c1d6eb8c8ec

    SHA512

    1a28f3c8e916431af6ca41e516fc3faf0988181e2dcf87e0867c9f53fdba0cb161b55fd2b5429e0c864ca2244758371c2466c523ede305fc012f14a3dfe46ab9

  • memory/452-19-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/452-87-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/452-77-0x0000000007D70000-0x0000000007D81000-memory.dmp

    Filesize

    68KB

  • memory/452-72-0x0000000007A20000-0x0000000007AC3000-memory.dmp

    Filesize

    652KB

  • memory/452-62-0x0000000074E20000-0x0000000074E6C000-memory.dmp

    Filesize

    304KB

  • memory/452-31-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/452-25-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/1200-15-0x0000000000E60000-0x0000000000E96000-memory.dmp

    Filesize

    216KB

  • memory/1200-76-0x0000000007200000-0x0000000007296000-memory.dmp

    Filesize

    600KB

  • memory/1200-17-0x0000000004D90000-0x00000000053B8000-memory.dmp

    Filesize

    6.2MB

  • memory/1200-18-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/1200-88-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/1200-81-0x00000000071A0000-0x00000000071A8000-memory.dmp

    Filesize

    32KB

  • memory/1200-23-0x0000000004C60000-0x0000000004CC6000-memory.dmp

    Filesize

    408KB

  • memory/1200-22-0x0000000004BF0000-0x0000000004C56000-memory.dmp

    Filesize

    408KB

  • memory/1200-21-0x0000000004B50000-0x0000000004B72000-memory.dmp

    Filesize

    136KB

  • memory/1200-80-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/1200-79-0x0000000007160000-0x0000000007174000-memory.dmp

    Filesize

    80KB

  • memory/1200-78-0x0000000006E00000-0x0000000006E0E000-memory.dmp

    Filesize

    56KB

  • memory/1200-16-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/1200-24-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/1200-75-0x0000000006D80000-0x0000000006D8A000-memory.dmp

    Filesize

    40KB

  • memory/1200-48-0x0000000005C00000-0x0000000005C1E000-memory.dmp

    Filesize

    120KB

  • memory/1200-49-0x00000000061A0000-0x00000000061EC000-memory.dmp

    Filesize

    304KB

  • memory/1200-61-0x0000000006140000-0x000000000615E000-memory.dmp

    Filesize

    120KB

  • memory/1200-51-0x0000000074E20000-0x0000000074E6C000-memory.dmp

    Filesize

    304KB

  • memory/1200-50-0x0000000006160000-0x0000000006192000-memory.dmp

    Filesize

    200KB

  • memory/1200-74-0x0000000006D10000-0x0000000006D2A000-memory.dmp

    Filesize

    104KB

  • memory/1200-73-0x00000000076A0000-0x0000000007D1A000-memory.dmp

    Filesize

    6.5MB

  • memory/2076-37-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2076-89-0x0000000006A50000-0x0000000006AA0000-memory.dmp

    Filesize

    320KB

  • memory/2904-8-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-47-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-4-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-7-0x000000007457E000-0x000000007457F000-memory.dmp

    Filesize

    4KB

  • memory/2904-5-0x0000000005350000-0x000000000535A000-memory.dmp

    Filesize

    40KB

  • memory/2904-9-0x0000000006980000-0x0000000006A02000-memory.dmp

    Filesize

    520KB

  • memory/2904-10-0x0000000008FC0000-0x000000000905C000-memory.dmp

    Filesize

    624KB

  • memory/2904-3-0x0000000005380000-0x0000000005412000-memory.dmp

    Filesize

    584KB

  • memory/2904-2-0x0000000005890000-0x0000000005E34000-memory.dmp

    Filesize

    5.6MB

  • memory/2904-1-0x00000000008B0000-0x0000000000956000-memory.dmp

    Filesize

    664KB

  • memory/2904-0-0x000000007457E000-0x000000007457F000-memory.dmp

    Filesize

    4KB

  • memory/2904-6-0x00000000055D0000-0x00000000055E0000-memory.dmp

    Filesize

    64KB