Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 11:35

General

  • Target

    c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe

  • Size

    815KB

  • MD5

    5d1d0f26ebb26738d78e964c0a57de2d

  • SHA1

    392ed434f12587a91368fb253f75fd6dffbf25ea

  • SHA256

    c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a

  • SHA512

    e3400ef8655c994754fd4e75c5a3ebbb91a4c53638d079e1616d80df0661ec3fb357cbdccdc51d5bdd1a9b4b8ae5466df6d7d70a3dc75831d353324a0bfe03ea

  • SSDEEP

    24576:XjlIhSPd+pl8v00qWGThl9oeg9adzlqmNd8kX:Xjl+SPspl8cVWGThl9MMdzl/Np

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.

  • 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).

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2572
    • 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\c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a_Sigmanly.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1444
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uvbIwIYe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uvbIwIYe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp343A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp343A.tmp

    Filesize

    1KB

    MD5

    782333a6b7ad0641f1b307003a29c10b

    SHA1

    9a8c03ada8d26dedd47e948a70450b35d8a2232c

    SHA256

    0efdc18a4e62a013523888f9ffcaf6b2f0e8b82673d4468414e4f4dc8011e6cb

    SHA512

    1d7eba12b391bce1d4ccad49395bbb955c8007b0f40206cf11e95d5165b0499a6e7aebc6792ed8664c0b7c3099430f1f8f5089b44a279dee02231953bd0fbe88

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

    Filesize

    7KB

    MD5

    28bfccb6c596fc27812a33c3ac77a7ed

    SHA1

    53b5a4426e76234556cc91c9fb2fe124f3be61ee

    SHA256

    ed14efe0334cb29adafa4ffd30900dade4d8fb9bf346affcde39230695729d7f

    SHA512

    82ccb51a1f2ce05989d6b33da1c3cf45ea7e449a22b1d9264aea12895f806f80bb036456c8c881ddf5f7df25a1250ebebd400e64d625ad5678a7da18a95b105a

  • memory/2572-4-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/2572-31-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

    Filesize

    4KB

  • memory/2572-5-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-6-0x0000000000230000-0x00000000002B6000-memory.dmp

    Filesize

    536KB

  • memory/2572-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-1-0x0000000000AC0000-0x0000000000B8E000-memory.dmp

    Filesize

    824KB

  • memory/2572-3-0x0000000000610000-0x0000000000636000-memory.dmp

    Filesize

    152KB

  • memory/2772-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB