Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 02:24

General

  • Target

    11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe

  • Size

    674KB

  • MD5

    1647ac54fb1c7a722615b1fb92e19bf6

  • SHA1

    884abfc7f84e34c28a63786700653e3383bafc5d

  • SHA256

    11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c

  • SHA512

    fce853cf34d701307e9f3bcbfd0c171d6ffd25f4d43efe12b18ab0aa05abba5ab130855713744d9acd42b3d004fe457aac171aaa98613b1c51503c4a64c9c15e

  • SSDEEP

    12288:+CjMJrIFc0Ik/6SQ1mPUoLa9X2Q9xkb6/A8gzexA97+JvaHcMIEWE:3MJUc05/Qboub9ibL8WexAcJvEcdE

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
    "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlJkdytzAaDK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlJkdytzAaDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46FF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2548
    • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
      "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp46FF.tmp

    Filesize

    1KB

    MD5

    2dfe78a7a7a884a79ce3de717dbebfa7

    SHA1

    a3716fe715b15da8d76dcacc56a78f9ab4308f51

    SHA256

    c92a2a53c9ae9ce78d8a091bee7f5017711cc471e1d9d2fc4e1fbf694add9453

    SHA512

    50222c804106e799aa95bd87189a9f8f652f2923d18219a58c1aa32a380dcfe60c8d46557f2c27491054b1d0d44278694f09ecf66f91718877ca8003f64d2298

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3ICF3624AGZXA61Q82QN.temp

    Filesize

    7KB

    MD5

    4a38874f173e4613b731ebf7b03d3fef

    SHA1

    0c1bf49713f7cfd4fe35330f6353a93d4359831e

    SHA256

    ad92f1a806968f082c519935b7d5d76323170c62db6e233c6557387ec94ca0ae

    SHA512

    620af98d9c935def4e70109fc1e02c7f1aabd559b13b3b5ab2a6c1e704a534beb38da2a59298bab3b8322c874914aa8fe11634087587b611d9e080e49a74466a

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

    Filesize

    7KB

    MD5

    4a38874f173e4613b731ebf7b03d3fef

    SHA1

    0c1bf49713f7cfd4fe35330f6353a93d4359831e

    SHA256

    ad92f1a806968f082c519935b7d5d76323170c62db6e233c6557387ec94ca0ae

    SHA512

    620af98d9c935def4e70109fc1e02c7f1aabd559b13b3b5ab2a6c1e704a534beb38da2a59298bab3b8322c874914aa8fe11634087587b611d9e080e49a74466a

  • memory/760-35-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/760-33-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/760-38-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/760-42-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-3-0x0000000000390000-0x00000000003A6000-memory.dmp

    Filesize

    88KB

  • memory/2376-6-0x0000000005080000-0x00000000050FA000-memory.dmp

    Filesize

    488KB

  • memory/2376-5-0x00000000003C0000-0x00000000003CA000-memory.dmp

    Filesize

    40KB

  • memory/2376-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

    Filesize

    32KB

  • memory/2376-31-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

    Filesize

    256KB

  • memory/2376-1-0x0000000074DB0000-0x000000007549E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-0-0x0000000000A40000-0x0000000000AEE000-memory.dmp

    Filesize

    696KB

  • memory/2556-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2556-40-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-34-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-44-0x0000000004A80000-0x0000000004AC0000-memory.dmp

    Filesize

    256KB

  • memory/2556-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-43-0x0000000074D20000-0x000000007540E000-memory.dmp

    Filesize

    6.9MB

  • memory/2556-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2556-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2780-29-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-39-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2780-41-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-37-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2780-36-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB