Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 12:29

General

  • Target

    WIRE TRANSFER.pdf______________________________________________________________________________________________________.exe

  • Size

    974KB

  • MD5

    b624b22306191a4001991e6a98a7633c

  • SHA1

    f519bef2574df8f8a8d0fc5d19f029c72d9a1182

  • SHA256

    a2d18105194e15ef86987c3eba487d3c98e4ffcc9f5df8fff8c2c71559729641

  • SHA512

    114151d9dcb4c24168602beb97671dd9e733ab4e49771132ffff18f41d598246b096b751e266347267593539843b0a1967a34547298c1190c2a9626ab1a23edd

  • SSDEEP

    24576:uxK/cSUHegxG2VBxlYC6l27o0lp+h/tynfCr:uxsm+gQclYCrka+h/tNr

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 2 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\WIRE TRANSFER.pdf______________________________________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\WIRE TRANSFER.pdf______________________________________________________________________________________________________.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • 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\WIRE TRANSFER.pdf______________________________________________________________________________________________________.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZUcrmhnom.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZUcrmhnom" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E52.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2756
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9E52.tmp

    Filesize

    1KB

    MD5

    66fa9d6384594b79f1e454b32bd4c24c

    SHA1

    19679d7c59c6da2a03ec8bb25906716b034b5398

    SHA256

    f4f166b6a6367194c0367d1d24326ac9b591f20af0fa1023e27d28d13a01b710

    SHA512

    654528f41e8c1615cd5aeab7ef837bf62be736c21ee01e6ee775e3bf5fab32aeb61f7abfad12863022d004f21d9e9021f4b2dab54a06b307fb0016b9e9eac287

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O71IMMFPJD6TX2YQCL2M.temp

    Filesize

    7KB

    MD5

    ac29787688b3ba1e69b868621f52a8b8

    SHA1

    ea6b6bd14b1729fc5346070c8e7128f35fc67be4

    SHA256

    ba1174eace28e93188af2ec2516f1e0f1d165e155f05d1c455abff90fce5c4bd

    SHA512

    5469008cbc6e1079a89d5ee8600b9d957e4676a37662f7372af4e5c33ac53e1f9795e88c6725636efbba6607cc6db542e300b68528b5c50f958bdd409c4fee99

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

    Filesize

    7KB

    MD5

    ac29787688b3ba1e69b868621f52a8b8

    SHA1

    ea6b6bd14b1729fc5346070c8e7128f35fc67be4

    SHA256

    ba1174eace28e93188af2ec2516f1e0f1d165e155f05d1c455abff90fce5c4bd

    SHA512

    5469008cbc6e1079a89d5ee8600b9d957e4676a37662f7372af4e5c33ac53e1f9795e88c6725636efbba6607cc6db542e300b68528b5c50f958bdd409c4fee99

  • memory/2020-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-33-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-44-0x00000000732B0000-0x000000007399E000-memory.dmp

    Filesize

    6.9MB

  • memory/2020-41-0x00000000732B0000-0x000000007399E000-memory.dmp

    Filesize

    6.9MB

  • memory/2020-37-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2020-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2020-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2516-34-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-6-0x0000000005DB0000-0x0000000005E2A000-memory.dmp

    Filesize

    488KB

  • memory/2516-1-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-2-0x0000000001390000-0x00000000013D0000-memory.dmp

    Filesize

    256KB

  • memory/2516-19-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-3-0x0000000000380000-0x000000000039A000-memory.dmp

    Filesize

    104KB

  • memory/2516-0-0x00000000013E0000-0x00000000014D8000-memory.dmp

    Filesize

    992KB

  • memory/2516-5-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2516-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

    Filesize

    32KB

  • memory/2696-27-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-31-0x0000000002480000-0x00000000024C0000-memory.dmp

    Filesize

    256KB

  • memory/2696-38-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-42-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2696-40-0x0000000002480000-0x00000000024C0000-memory.dmp

    Filesize

    256KB

  • memory/2848-30-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2848-43-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2848-39-0x0000000002550000-0x0000000002590000-memory.dmp

    Filesize

    256KB

  • memory/2848-36-0x000000006F430000-0x000000006F9DB000-memory.dmp

    Filesize

    5.7MB