Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 08:21

General

  • Target

    order RFQ-HL51L05....exe

  • Size

    884KB

  • MD5

    431c41bf81aabdb9577e61c7bde667ef

  • SHA1

    1d3e3bb92c0350076148ba6fc3573335aaf03a9c

  • SHA256

    2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4

  • SHA512

    7aa1c2af1d7907de49f876b8d9d740f0f3bb2c4c1252aa0c8a6b0a113c67764e17c6e6f4588babd49c90813885b31f22e4f92132fbb0750a99f70a5fe6676fae

  • SSDEEP

    12288:2z63kwR3ZuSHC4d4IlDjIN2SM0yuwQGVcYfqVxZXJSbPoc3cxQuIf:2Q1C4d4IpkNVMvnQakxZXJPnO

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order RFQ-HL51L05....exe
    "C:\Users\Admin\AppData\Local\Temp\order RFQ-HL51L05....exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kzsAJcIeUIa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kzsAJcIeUIa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC4E5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\order RFQ-HL51L05....exe
      "C:\Users\Admin\AppData\Local\Temp\order RFQ-HL51L05....exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC4E5.tmp

    Filesize

    1KB

    MD5

    ef7c4699e7e2470e72c90e1004ad3b69

    SHA1

    f80e79136c2785619ea8320e3743306aa288fc92

    SHA256

    d3789c775c12ec58680a7b7bfa5a8441f24525f641453e1e6c9095c83ca1325c

    SHA512

    866e82225be079b35e84a547b4ed8c3dc086e4beda674e8298f45d26ceb7c459edfc9854e58702e8a00376e09b3b6df2a7399f2038aaf639b5c4672387070176

  • memory/884-0-0x0000000000210000-0x00000000002F4000-memory.dmp

    Filesize

    912KB

  • memory/884-1-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/884-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

    Filesize

    256KB

  • memory/884-3-0x00000000007D0000-0x00000000007EA000-memory.dmp

    Filesize

    104KB

  • memory/884-4-0x00000000004B0000-0x00000000004B8000-memory.dmp

    Filesize

    32KB

  • memory/884-5-0x00000000007F0000-0x00000000007FA000-memory.dmp

    Filesize

    40KB

  • memory/884-6-0x0000000004F20000-0x0000000004F9A000-memory.dmp

    Filesize

    488KB

  • memory/884-23-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-33-0x0000000073270000-0x000000007395E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-26-0x0000000073270000-0x000000007395E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-34-0x0000000002470000-0x00000000024B0000-memory.dmp

    Filesize

    256KB

  • memory/2616-27-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2616-30-0x00000000021E0000-0x0000000002220000-memory.dmp

    Filesize

    256KB

  • memory/2616-31-0x00000000021E0000-0x0000000002220000-memory.dmp

    Filesize

    256KB

  • memory/2616-32-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2616-29-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2616-28-0x00000000021E0000-0x0000000002220000-memory.dmp

    Filesize

    256KB