Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 01:19

General

  • Target

    DEBIT NOTE.exe

  • Size

    814KB

  • MD5

    7a7e834ea89b19e19f1aa30292d62e1a

  • SHA1

    65592bbd225f06b83d5eebf94a0095de42d4439b

  • SHA256

    93a8bd4fcc556b618d8a05bd91767daf022f0bc4392a41472f1550024dfd12a3

  • SHA512

    f86da69d17018887587b919cb70c960931a319f22c8e806542804b7b3248722b2dbb80a91d8b51d0f306336a57a3130233424df8d14515ae31e8a8cf90aacb47

  • SSDEEP

    12288:nrErIO8Df6+oNXJ2W4A9zVLOBZMcfh/mIuBA0Ti8dea43s0icK8xwxBth:noYf22W4A9zoMAQRGshVzN

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DEBIT NOTE.exe
    "C:\Users\Admin\AppData\Local\Temp\DEBIT NOTE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1120
    • 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\DEBIT NOTE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UlKqARBSKWw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UlKqARBSKWw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AE1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2388
    • C:\Users\Admin\AppData\Local\Temp\DEBIT NOTE.exe
      "C:\Users\Admin\AppData\Local\Temp\DEBIT NOTE.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8AE1.tmp

    Filesize

    1KB

    MD5

    62f393c669635b6c3bfd54be6b2df8d8

    SHA1

    162078e7f58168d96486f940a8d4b2b3350c5449

    SHA256

    b914fa77b8082af0f0936ad4fe0940e6559da5a0e55adc9494bd933d19799f9e

    SHA512

    a0a816722fb988fea318ef143aeead8ebce26a1f7bf338074e4a3c4511f4a905d7f61db5ee1cf802f44da9edd3370d5472fbf0db3a03aed4e73b14b0b15be9de

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

    Filesize

    7KB

    MD5

    afcf983e309b6fe251105f48a2404893

    SHA1

    9fe7f9d2d75323c21551219c8ad1ecf29cef35ec

    SHA256

    104d5873727b79d8faa574e0ecb0a95d81f7438c14b63c0b11c6e3d416d8b12e

    SHA512

    2964c39cae8fa79d0be192a95dea5b43716e93d16f47c13fc0bf034aec472871965b2343f98e25c7b8de1f4c987482c403adf74b928ac6bef95209047313ecaa

  • memory/1120-4-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/1120-31-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1120-0-0x000000007473E000-0x000000007473F000-memory.dmp

    Filesize

    4KB

  • memory/1120-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1120-6-0x0000000000B00000-0x0000000000B86000-memory.dmp

    Filesize

    536KB

  • memory/1120-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1120-1-0x0000000001290000-0x0000000001362000-memory.dmp

    Filesize

    840KB

  • memory/1120-3-0x0000000000530000-0x0000000000556000-memory.dmp

    Filesize

    152KB

  • memory/2496-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2496-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2496-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB