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Analysis

  • max time kernel
    94s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 08:05

General

  • Target

    QUOTE_467654.exe

  • Size

    672KB

  • MD5

    c0e9d65541d7c6768827d42674038baa

  • SHA1

    c536bd03202120389a6ce6230daffcc926429e49

  • SHA256

    e3a2ec3721224b6cb552f5153b6a87f80a7c99e548b517e79efab2aa1098b17f

  • SHA512

    b7dc57f194c80ea264fc361e55249e4f67f259a213382323202036345b16678f2e2c6757c3ecc82a6440f3569a45ab4bb325740a2c83a587ed50abfb57b7f962

  • SSDEEP

    12288:RgA8bQba/kEZ0GrmsyZcWGvzBBT3I68OgaGLpA682RO2wBPVlQ/kR:OIna3pScja9VA/IOFVma

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Signatures

  • AgentTesla

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

  • 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 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.

  • Looks up external IP address via web service 1 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.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:1944
    • 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\QUOTE_467654.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4896
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KdHhUQTRz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KdHhUQTRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp887.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4324
    • C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE_467654.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4812

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

    476B

    MD5

    4f7ff2986f06662d4c8ff43f30f9e7c4

    SHA1

    dcd0bf8f7bfdc6b2ef51919443924c1de4af1e9f

    SHA256

    33b10e48929160f4d06564ab78531e758d8cf0e957896668dfdcf36ee4202998

    SHA512

    5696e813489789d7f8b4094b98af7779b1acb17e16adea2f0f59f0cc9ac683860efc5a1117676abe9faf3e0396f98308256752b2cf54f13ffb2d1b23ddabc208

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zwkq11ni.t53.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp887.tmp

    Filesize

    1KB

    MD5

    ffac191983711eedd956beda9933f047

    SHA1

    f5b070d00353503536bb98de2d758b51b12446d9

    SHA256

    c34e56cfa5d16629c582591ac57b7fd3e797e689cfa71bfb1b0af78377a0ce82

    SHA512

    f18ba4b809a9d7637543621894db9cd3bf7370afa1c0cf1cb47865f81f5cfaa199d72455beef855b24b3e3bfbf9a3f47a440fdc9124a2d44eb71a5ac39dcad50

  • memory/1944-8-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-5-0x0000000005500000-0x000000000550A000-memory.dmp

    Filesize

    40KB

  • memory/1944-6-0x0000000005AE0000-0x0000000005AF2000-memory.dmp

    Filesize

    72KB

  • memory/1944-7-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/1944-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-9-0x0000000007620000-0x00000000076A4000-memory.dmp

    Filesize

    528KB

  • memory/1944-10-0x0000000009D30000-0x0000000009DCC000-memory.dmp

    Filesize

    624KB

  • memory/1944-48-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1944-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/1944-3-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/1944-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/1944-1-0x0000000000A60000-0x0000000000B0A000-memory.dmp

    Filesize

    680KB

  • memory/4008-83-0x0000000007360000-0x0000000007368000-memory.dmp

    Filesize

    32KB

  • memory/4008-80-0x0000000007280000-0x0000000007294000-memory.dmp

    Filesize

    80KB

  • memory/4008-25-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4008-75-0x0000000007040000-0x000000000705A000-memory.dmp

    Filesize

    104KB

  • memory/4008-77-0x00000000072C0000-0x0000000007356000-memory.dmp

    Filesize

    600KB

  • memory/4008-81-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/4008-19-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4008-89-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4008-26-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4008-74-0x0000000007680000-0x0000000007CFA000-memory.dmp

    Filesize

    6.5MB

  • memory/4008-79-0x0000000007270000-0x000000000727E000-memory.dmp

    Filesize

    56KB

  • memory/4008-49-0x0000000005D10000-0x0000000005D2E000-memory.dmp

    Filesize

    120KB

  • memory/4008-50-0x0000000006290000-0x00000000062DC000-memory.dmp

    Filesize

    304KB

  • memory/4008-52-0x0000000071110000-0x000000007115C000-memory.dmp

    Filesize

    304KB

  • memory/4008-51-0x0000000006CD0000-0x0000000006D02000-memory.dmp

    Filesize

    200KB

  • memory/4008-62-0x00000000062E0000-0x00000000062FE000-memory.dmp

    Filesize

    120KB

  • memory/4008-63-0x0000000006F10000-0x0000000006FB3000-memory.dmp

    Filesize

    652KB

  • memory/4812-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4812-82-0x0000000006400000-0x0000000006450000-memory.dmp

    Filesize

    320KB

  • memory/4896-17-0x0000000005A00000-0x0000000006028000-memory.dmp

    Filesize

    6.2MB

  • memory/4896-76-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

    Filesize

    40KB

  • memory/4896-64-0x0000000071110000-0x000000007115C000-memory.dmp

    Filesize

    304KB

  • memory/4896-78-0x0000000007D40000-0x0000000007D51000-memory.dmp

    Filesize

    68KB

  • memory/4896-22-0x0000000005750000-0x0000000005772000-memory.dmp

    Filesize

    136KB

  • memory/4896-23-0x00000000060A0000-0x0000000006106000-memory.dmp

    Filesize

    408KB

  • memory/4896-27-0x0000000006230000-0x0000000006584000-memory.dmp

    Filesize

    3.3MB

  • memory/4896-24-0x00000000061C0000-0x0000000006226000-memory.dmp

    Filesize

    408KB

  • memory/4896-20-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-18-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-15-0x0000000005270000-0x00000000052A6000-memory.dmp

    Filesize

    216KB

  • memory/4896-90-0x0000000074A40000-0x00000000751F0000-memory.dmp

    Filesize

    7.7MB