Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 10:23

General

  • Target

    NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe

  • Size

    739KB

  • MD5

    be4c6aeadf419ef1989c79a9b3a535c8

  • SHA1

    dd7d53c436914b21702eb7863719aca92be948c4

  • SHA256

    aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1

  • SHA512

    a7d29685351d0b7d15435dbed289ece86034515b5a56772b54dd267166ec77c52dc8cc2ee500086eb9d99916d99df0ef05eb3a3c7a17d91104de6b152c2da0c4

  • SSDEEP

    12288:drdIibKnYBu96wJnzFQazO17uOxpvOaFPvyuE/C9AtGDrr1GR:dr7bKYkLzgF7WaFH5ut0r1G

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:904
    • 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\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qamgmzJIlZldYr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qamgmzJIlZldYr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3006.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe"
      2⤵
        PID:2732
      • C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.aea1661d21f06989f2807f3c39a762d2d7d419674a92fd5e881aeca6a7736ab1.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3006.tmp

      Filesize

      1KB

      MD5

      dca1cbe3a2114f5f24aff121e9f2c262

      SHA1

      1e097a307e729e9b15e110fbc6f3e4c7b068b2ff

      SHA256

      4d23a9dfc81f1d4bb663ba1b3faf3232c48763c012d72a49c72f467ebf1689e1

      SHA512

      04f99148660c2d6a9f90c779b026ed2b44f17be80eaa9e2e2b2da3b022aa95eb6cea4873a1d231c5396be13b48bf77b942a240b0acb248852fd3e53b4e8b1584

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0ABW2QZMFOPENIBLUM5J.temp

      Filesize

      7KB

      MD5

      377435a854e0750cdeea9b1f8806a5cc

      SHA1

      712004dfafbf5ce82002f9ed8baf0e52a15c6b82

      SHA256

      f0b5dc38966ad1221d6be0655603a29e08b6fe4d7a00aaf69514c0e77f8ff94b

      SHA512

      3de8b0111576669a4e7bd614c9c2013c47c0659eb520268e95551a519714ef699c6870fa8b1a27ec9ed6a1c8796cd3883654299abfc3c1903bcf94495039a26e

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

      Filesize

      7KB

      MD5

      377435a854e0750cdeea9b1f8806a5cc

      SHA1

      712004dfafbf5ce82002f9ed8baf0e52a15c6b82

      SHA256

      f0b5dc38966ad1221d6be0655603a29e08b6fe4d7a00aaf69514c0e77f8ff94b

      SHA512

      3de8b0111576669a4e7bd614c9c2013c47c0659eb520268e95551a519714ef699c6870fa8b1a27ec9ed6a1c8796cd3883654299abfc3c1903bcf94495039a26e

    • memory/904-8-0x00000000005A0000-0x00000000005E0000-memory.dmp

      Filesize

      256KB

    • memory/904-2-0x00000000005A0000-0x00000000005E0000-memory.dmp

      Filesize

      256KB

    • memory/904-5-0x00000000005E0000-0x00000000005EA000-memory.dmp

      Filesize

      40KB

    • memory/904-6-0x0000000005BB0000-0x0000000005C2C000-memory.dmp

      Filesize

      496KB

    • memory/904-7-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB

    • memory/904-31-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB

    • memory/904-3-0x00000000003D0000-0x00000000003E6000-memory.dmp

      Filesize

      88KB

    • memory/904-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

      Filesize

      32KB

    • memory/904-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB

    • memory/904-0-0x0000000000190000-0x0000000000250000-memory.dmp

      Filesize

      768KB

    • memory/2568-41-0x00000000025C0000-0x0000000002600000-memory.dmp

      Filesize

      256KB

    • memory/2568-39-0x00000000025C0000-0x0000000002600000-memory.dmp

      Filesize

      256KB

    • memory/2568-37-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2568-42-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2568-35-0x00000000025C0000-0x0000000002600000-memory.dmp

      Filesize

      256KB

    • memory/2568-34-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2664-36-0x0000000002690000-0x00000000026D0000-memory.dmp

      Filesize

      256KB

    • memory/2664-38-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2664-33-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2664-43-0x000000006F690000-0x000000006FC3B000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2720-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-40-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2720-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-44-0x0000000074700000-0x0000000074DEE000-memory.dmp

      Filesize

      6.9MB