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Analysis

  • max time kernel
    117s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 03:10

General

  • Target

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe

  • Size

    751KB

  • MD5

    9cc2315d58203686c68c13889ed991b7

  • SHA1

    f1d36a5fe6d583244a133b38dc9e3a211c0ab133

  • SHA256

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d

  • SHA512

    858a1451ef8ba49c48643a395315125445f656e60f6e7d1b53bf70afda78368445888722209196b53445dc74a428ae2c1fcdcce19ce9fb732aee214feadd6580

  • SSDEEP

    12288:mSqcMkzqHKMbzhV2eMKOgubfwNgxh30kzl7Q+ml+02C0Fon/XrA2Ua/IbRX/fheo:mETz87b4ZlDwNgxhThc3atFQ/dCXxr

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CxwaRYFFIhQpF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CxwaRYFFIhQpF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp733D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2744
    • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
      "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp733D.tmp

    Filesize

    1KB

    MD5

    8e215582aba43345947bd4911c7fa242

    SHA1

    fe6242f70d42718dd254170ecc9bc7a3303566c1

    SHA256

    044a6376d80ddc4f3d5c93c6496cc7c6cd841ea4797c0dfab8a21f26b1c26add

    SHA512

    2ba18387398443caaa66956acd25857b89f0bf1b88787107a59478ead9cafc58aa3f4dfb155526275d8494040efa021f35be551e8e4bce41c5a78fbb9f7358e6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    01b0bf3f22fae024e87d10d005a77b32

    SHA1

    d16ef499f06565c03dd46597b10fd7856363510a

    SHA256

    ebaf28b74aad3ffd9b35b0c966b644e08f456b8bddab61e3cffe85827464ba34

    SHA512

    65d98b55bcc00c1ac3cdff557eedf2a0424abb4a1550e6803b2d0e16ce614e3be4ca91625ab2143b8ae524d8660184b2b019ff84581151551dc2c56912b6f7a8

  • memory/1988-30-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-3-0x0000000000440000-0x0000000000454000-memory.dmp

    Filesize

    80KB

  • memory/1988-4-0x0000000000630000-0x000000000063A000-memory.dmp

    Filesize

    40KB

  • memory/1988-5-0x0000000000B40000-0x0000000000B4E000-memory.dmp

    Filesize

    56KB

  • memory/1988-6-0x0000000004CC0000-0x0000000004D4A000-memory.dmp

    Filesize

    552KB

  • memory/1988-2-0x0000000000640000-0x0000000000680000-memory.dmp

    Filesize

    256KB

  • memory/1988-1-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1988-0-0x0000000000CE0000-0x0000000000DA2000-memory.dmp

    Filesize

    776KB

  • memory/2724-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-38-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2724-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2724-42-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-47-0x00000000743F0000-0x0000000074ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-46-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2724-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-36-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-34-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-43-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-40-0x0000000001D90000-0x0000000001DD0000-memory.dmp

    Filesize

    256KB

  • memory/3008-37-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-41-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/3008-44-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-33-0x000000006F200000-0x000000006F7AB000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-39-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/3008-35-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB