Analysis

  • max time kernel
    92s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 03:40

General

  • Target

    PO] G_24370-24396_SI2_S25_8658.exe

  • Size

    957KB

  • MD5

    017162607e416c71df1a928cc1b1c050

  • SHA1

    ce9608b1b166a1eca94bcaa8c55dc71f5bbc0778

  • SHA256

    bcf46942b4fdd78b37ed54df727baa7c0b5e944257dce860f3fc8fd19313f520

  • SHA512

    545da1840581bbd1e7aeef14288abc6df839f39a3250b7d3461b73382f55cea04f3f2f6df099b81a6517244b3db182b68c8c14e59970c5f83acb1066f14b3e0e

  • SSDEEP

    24576:t9Orrbz6WzxWnTS/u8OWnMCi3NN2bSUKy:Kz6IWnTrrW/6NN2Ou

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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).

  • 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\PO] G_24370-24396_SI2_S25_8658.exe
    "C:\Users\Admin\AppData\Local\Temp\PO] G_24370-24396_SI2_S25_8658.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:3900
    • 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\PO] G_24370-24396_SI2_S25_8658.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zwsiyIumDtxan.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zwsiyIumDtxan" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4636
    • C:\Users\Admin\AppData\Local\Temp\PO] G_24370-24396_SI2_S25_8658.exe
      "C:\Users\Admin\AppData\Local\Temp\PO] G_24370-24396_SI2_S25_8658.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4640

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    9fddff3dffd12931b43cc585dfa3d73a

    SHA1

    095eb52e77e059465983e142fb4760e271f97d53

    SHA256

    71fa8b9d94669579d779ba2243635f4b8bd732aaa372add5e61f2068a2de3c9b

    SHA512

    da90c81c0d43b70c282c6ae90ebb970da9b27b9eb052e07afff75c757b6f934a6d0da33fe8eee25b38059d069e6e1e95b7ecdb690473093eb2ab9ccf7e46cc90

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kek3z04.inp.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp80A.tmp

    Filesize

    1KB

    MD5

    fbba4348736051445c752e3201b0ea27

    SHA1

    5e7677b4067092847f3f9948d3a95950fe000c6d

    SHA256

    91634dfe2b118c9e8bc16791fa9a3f23109988785cca064fd29172863470ef81

    SHA512

    784b5682bcb29fab128276b68062c007ca7a9367a9bde8e4af9a6aee100642eb6439c78ea208506971b4d66fc533c2fa3b44114aa7c753295b9836cc4188cfc7

  • memory/3900-0-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/3900-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

    Filesize

    584KB

  • memory/3900-6-0x0000000005100000-0x000000000519C000-memory.dmp

    Filesize

    624KB

  • memory/3900-7-0x00000000050B0000-0x00000000050C2000-memory.dmp

    Filesize

    72KB

  • memory/3900-8-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/3900-9-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-10-0x00000000068A0000-0x0000000006926000-memory.dmp

    Filesize

    536KB

  • memory/3900-4-0x0000000005000000-0x000000000500A000-memory.dmp

    Filesize

    40KB

  • memory/3900-44-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-5-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-1-0x0000000000350000-0x0000000000446000-memory.dmp

    Filesize

    984KB

  • memory/3900-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

    Filesize

    5.6MB

  • memory/4508-85-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-20-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-82-0x0000000007790000-0x0000000007798000-memory.dmp

    Filesize

    32KB

  • memory/4508-25-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-64-0x0000000070F20000-0x0000000070F6C000-memory.dmp

    Filesize

    304KB

  • memory/4508-28-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4640-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4640-89-0x0000000005EB0000-0x0000000005F00000-memory.dmp

    Filesize

    320KB

  • memory/5112-16-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/5112-29-0x0000000006000000-0x0000000006354000-memory.dmp

    Filesize

    3.3MB

  • memory/5112-22-0x0000000005D90000-0x0000000005DB2000-memory.dmp

    Filesize

    136KB

  • memory/5112-49-0x00000000065F0000-0x000000000660E000-memory.dmp

    Filesize

    120KB

  • memory/5112-50-0x0000000006B50000-0x0000000006B9C000-memory.dmp

    Filesize

    304KB

  • memory/5112-52-0x0000000070F20000-0x0000000070F6C000-memory.dmp

    Filesize

    304KB

  • memory/5112-62-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

    Filesize

    120KB

  • memory/5112-51-0x00000000077B0000-0x00000000077E2000-memory.dmp

    Filesize

    200KB

  • memory/5112-63-0x00000000077F0000-0x0000000007893000-memory.dmp

    Filesize

    652KB

  • memory/5112-23-0x0000000005E70000-0x0000000005ED6000-memory.dmp

    Filesize

    408KB

  • memory/5112-74-0x0000000007F50000-0x00000000085CA000-memory.dmp

    Filesize

    6.5MB

  • memory/5112-75-0x0000000007910000-0x000000000792A000-memory.dmp

    Filesize

    104KB

  • memory/5112-76-0x0000000007980000-0x000000000798A000-memory.dmp

    Filesize

    40KB

  • memory/5112-77-0x0000000007B90000-0x0000000007C26000-memory.dmp

    Filesize

    600KB

  • memory/5112-78-0x0000000007B10000-0x0000000007B21000-memory.dmp

    Filesize

    68KB

  • memory/5112-79-0x0000000007B40000-0x0000000007B4E000-memory.dmp

    Filesize

    56KB

  • memory/5112-80-0x0000000007B50000-0x0000000007B64000-memory.dmp

    Filesize

    80KB

  • memory/5112-81-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/5112-24-0x0000000005F90000-0x0000000005FF6000-memory.dmp

    Filesize

    408KB

  • memory/5112-19-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/5112-90-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/5112-18-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/5112-17-0x0000000005710000-0x0000000005D38000-memory.dmp

    Filesize

    6.2MB

  • memory/5112-15-0x00000000050A0000-0x00000000050D6000-memory.dmp

    Filesize

    216KB