Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 16:03

General

  • Target

    FW CMA SHZ Freight invoice CHN1080769.exe

  • Size

    683KB

  • MD5

    3288dbaae811a799ea563988c0d78315

  • SHA1

    48802f823b253a45d829b15bd0802db54ce35993

  • SHA256

    e0e366834de34a6e93035842b46662c2b1b05d350c1218953f8faab632ead3ae

  • SHA512

    fc6b2c90ad9c9f2b906a6247230d2f71a0cbe764b0e3ea2c67d49477fb4f81580dd96a5ba2e3d11e92b15f8421b48e8afd7bd06e6d5ee009b8babfc1acf9cc80

  • SSDEEP

    12288:3I23I9uvcHdMFGNX/m7EA++tat0kanlWimxg8NBcHYPLICoPw896GpQkR:YYyK+wGGs+sY8283c4THew8EG9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe
    "C:\Users\Admin\AppData\Local\Temp\FW CMA SHZ Freight invoice CHN1080769.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • 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\FW CMA SHZ Freight invoice CHN1080769.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDTjheWPb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDTjheWPb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp783C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2684
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp783C.tmp

    Filesize

    1KB

    MD5

    7beaf146ba32f1f485ebad02de7ce5aa

    SHA1

    e2a40b3d1fcd67d0048d4cd0a49370a9c96dd2b8

    SHA256

    78dfced2700acb72a98634e282f47318ea322a5a4172832419b84d77840eccdc

    SHA512

    329b24e49c3adadb0b0265536cfd5eaf912ad603aab6772539c1b6b958a0656b6edd8c0df367c29e62e9035aafc0384235bb25bb4271a46b1112be0a1590876e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DX8BV5L1M2ENR1PTB18A.temp

    Filesize

    7KB

    MD5

    545f0f5de89f0ce0852b51e14990994e

    SHA1

    aed8bd44ee4fd66c653b2878445f32ad6044dc60

    SHA256

    7a64c81b6d2cfe8319989bdf08e196eac1c5fa653b9a463e1360069890a540f1

    SHA512

    990c83dab86c953b884b660b00e0388de0680bb670ba9d990d720840cbaf525857a8f5d53c04d835f234fbbaee2287b140d3d13f93856f046fa3fe956b3ebbfe

  • memory/1960-4-0x0000000001E50000-0x0000000001E6A000-memory.dmp

    Filesize

    104KB

  • memory/1960-32-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1960-5-0x0000000001D60000-0x0000000001D70000-memory.dmp

    Filesize

    64KB

  • memory/1960-6-0x00000000052F0000-0x0000000005374000-memory.dmp

    Filesize

    528KB

  • memory/1960-2-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1960-1-0x0000000000390000-0x000000000043E000-memory.dmp

    Filesize

    696KB

  • memory/1960-31-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1960-3-0x0000000004DC0000-0x0000000004E62000-memory.dmp

    Filesize

    648KB

  • memory/2520-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2520-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB