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Analysis

  • max time kernel
    140s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2024, 11:08

General

  • Target

    New order from CoreSystem Technology Limited.exe

  • Size

    774KB

  • MD5

    bea4d8667895e1b7583db6681f4015c2

  • SHA1

    539e45783a3646fa32c5ad256fda8e7d7decf69d

  • SHA256

    ad9fd8dbec8d71d3ef7b1ae8b2882b986b1f6b0a9de791d0693ebf551ada676a

  • SHA512

    70250c94f648819de84a9a7634232fa8e5841e1331b649b1771eb5fc20dc90014a35757d90e4534f4c41ee4df3e9cc239ffcb598dd1f8ac2a66bcc643a4efa0c

  • SSDEEP

    12288:zI8WET/mr9K+22BEEzFatnomOODVpgOVTp4YjzXGRLHVHpt+eQ2wREzItcYcegm9:5Wtb3BEuYFTp4WIL1HJLmEUtU/myA

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New order from CoreSystem Technology Limited.exe
    "C:\Users\Admin\AppData\Local\Temp\New order from CoreSystem Technology Limited.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4044
    • 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\New order from CoreSystem Technology Limited.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPwwHhZJvK.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPwwHhZJvK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA374.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1652
    • 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:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    ffe2f40daa10607253bf2efc8ffc3ef1

    SHA1

    e19ee3ec5e50862bb56a2b38d2f4e1d307f1029e

    SHA256

    b806852afb1b11a8507874dba825b3f8a446030301795072e10b98199b4de6c1

    SHA512

    621d220290c7a854233dbec4e0ddbc62e5054dea480a811638184de36d4bfd625b5f60a0dd754ebb072d39411955cdd3a6efc3e29596c8a48cef8c1bf2469b6b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_34sogwlq.tmy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA374.tmp

    Filesize

    1KB

    MD5

    4072633ec7204f1d99dde75f8ebc5eee

    SHA1

    2288d8c834321c890f2a56107172da5b3c63381f

    SHA256

    354e3ed34f0c5a84d0f2a426d1f6f5a08fe02b4d079a442aa99408d3251bc4ab

    SHA512

    45fe60eb557cdc0da7f35364e1b96f16688bae706807fd98fa18980005f1da7b3a95338c7b421e66903b70415e6ade8dfd1ba57bb82ff98cc42dd9c618e1be57

  • memory/232-16-0x0000000002DF0000-0x0000000002E26000-memory.dmp

    Filesize

    216KB

  • memory/232-19-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/232-82-0x0000000007C70000-0x0000000007C7E000-memory.dmp

    Filesize

    56KB

  • memory/232-80-0x0000000007CC0000-0x0000000007D56000-memory.dmp

    Filesize

    600KB

  • memory/232-78-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

    Filesize

    40KB

  • memory/232-77-0x0000000007A40000-0x0000000007A5A000-memory.dmp

    Filesize

    104KB

  • memory/232-76-0x0000000008080000-0x00000000086FA000-memory.dmp

    Filesize

    6.5MB

  • memory/232-75-0x0000000007700000-0x00000000077A3000-memory.dmp

    Filesize

    652KB

  • memory/232-93-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/232-64-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

    Filesize

    120KB

  • memory/232-18-0x0000000005AB0000-0x00000000060D8000-memory.dmp

    Filesize

    6.2MB

  • memory/232-85-0x0000000007D60000-0x0000000007D68000-memory.dmp

    Filesize

    32KB

  • memory/232-20-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/232-54-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/232-26-0x0000000005970000-0x0000000005992000-memory.dmp

    Filesize

    136KB

  • memory/232-53-0x0000000006CE0000-0x0000000006D12000-memory.dmp

    Filesize

    200KB

  • memory/232-35-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/232-34-0x0000000006280000-0x00000000062E6000-memory.dmp

    Filesize

    408KB

  • memory/232-33-0x0000000006150000-0x00000000061B6000-memory.dmp

    Filesize

    408KB

  • memory/2104-89-0x00000000064A0000-0x00000000064F0000-memory.dmp

    Filesize

    320KB

  • memory/2104-48-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2532-46-0x0000000005550000-0x00000000058A4000-memory.dmp

    Filesize

    3.3MB

  • memory/2532-45-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-47-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-88-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-51-0x0000000005A70000-0x0000000005A8E000-memory.dmp

    Filesize

    120KB

  • memory/2532-52-0x0000000005B00000-0x0000000005B4C000-memory.dmp

    Filesize

    304KB

  • memory/2532-84-0x00000000070D0000-0x00000000070EA000-memory.dmp

    Filesize

    104KB

  • memory/2532-27-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-65-0x0000000075AA0000-0x0000000075AEC000-memory.dmp

    Filesize

    304KB

  • memory/2532-83-0x0000000006FD0000-0x0000000006FE4000-memory.dmp

    Filesize

    80KB

  • memory/2532-81-0x0000000006F90000-0x0000000006FA1000-memory.dmp

    Filesize

    68KB

  • memory/4044-8-0x0000000002450000-0x0000000002460000-memory.dmp

    Filesize

    64KB

  • memory/4044-0-0x00000000751FE000-0x00000000751FF000-memory.dmp

    Filesize

    4KB

  • memory/4044-10-0x000000000ABA0000-0x000000000AC3C000-memory.dmp

    Filesize

    624KB

  • memory/4044-7-0x0000000004DB0000-0x0000000004DBC000-memory.dmp

    Filesize

    48KB

  • memory/4044-11-0x00000000751FE000-0x00000000751FF000-memory.dmp

    Filesize

    4KB

  • memory/4044-6-0x0000000007490000-0x00000000074B2000-memory.dmp

    Filesize

    136KB

  • memory/4044-17-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-9-0x00000000060C0000-0x0000000006144000-memory.dmp

    Filesize

    528KB

  • memory/4044-5-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-50-0x00000000751F0000-0x00000000759A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-4-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

    Filesize

    40KB

  • memory/4044-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

    Filesize

    584KB

  • memory/4044-2-0x0000000005260000-0x0000000005804000-memory.dmp

    Filesize

    5.6MB

  • memory/4044-1-0x0000000000140000-0x0000000000204000-memory.dmp

    Filesize

    784KB