Analysis

  • max time kernel
    125s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 07:57

General

  • Target

    payment status.pdf.exe

  • Size

    1020KB

  • MD5

    95db39b63d249c820c8f4049e0f6cb47

  • SHA1

    c7aea8439dc96bdbedb2f6c132ec3507818b66c4

  • SHA256

    411b46ed90780c211a99c7b85b753aade4eb1d5e63f3172f0a8149edf109237a

  • SHA512

    1bfe8a034f2411498768819e2c4511f657512cf8fe51c7f868557e7a1e507ca08f514a01433261b5116232886546732151c1b1f17f7af742761f2ff3afbeab06

  • SSDEEP

    24576:HR34/up+pJCy9lInPiYgpcU7GPm8UXYz1q:x38PJCQ3IPqXV

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4304
    • 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\payment status.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1144
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zcEARB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcEARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1588
    • 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:4040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 1388
        3⤵
        • Program crash
        PID:4028
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 4040
    1⤵
      PID:4956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      18KB

      MD5

      6b7aac861d7898a383c292ec1adab0ec

      SHA1

      6676959d1e32e6887598f70fd655c14f1cf218f4

      SHA256

      5c5641fd19ae495dc836720d51746978301cec6ee431db74a6ceb964f294f697

      SHA512

      ea69dbe5da2ff2ab350c35ea6e21becd58ad8ec6a4b65a1f36ac5368f316081f5fdf84bcfa58dd5f2f8858152298589882b60435938846190bf8cf84d58fb020

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_henh4dcc.0uo.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp

      Filesize

      1KB

      MD5

      d9c266b627d7eab3ca13ed8d1f69d9b0

      SHA1

      20002d571b409c2479f1d06f1c5c8e52af82a11b

      SHA256

      568f81052d93866775a8f1995b4033cb9c0504755e7835b6444912b4abc5349f

      SHA512

      257f313a01fdcec091f1fa18316d90fd822e29a72631cf7183b092b8d095ecfacb9d14129f3757130faf6641810c5abd66b92040a58424b6199f1147a293cc77

    • memory/1144-58-0x00000000713B0000-0x00000000713FC000-memory.dmp

      Filesize

      304KB

    • memory/1144-18-0x00000000025D0000-0x00000000025E0000-memory.dmp

      Filesize

      64KB

    • memory/1144-84-0x00000000073C0000-0x00000000073D1000-memory.dmp

      Filesize

      68KB

    • memory/1144-81-0x00000000071D0000-0x00000000071EA000-memory.dmp

      Filesize

      104KB

    • memory/1144-79-0x0000000006E80000-0x0000000006F23000-memory.dmp

      Filesize

      652KB

    • memory/1144-77-0x00000000025D0000-0x00000000025E0000-memory.dmp

      Filesize

      64KB

    • memory/1144-27-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/1144-15-0x00000000025E0000-0x0000000002616000-memory.dmp

      Filesize

      216KB

    • memory/1144-17-0x0000000004FA0000-0x00000000055C8000-memory.dmp

      Filesize

      6.2MB

    • memory/1144-85-0x00000000073F0000-0x00000000073FE000-memory.dmp

      Filesize

      56KB

    • memory/1144-16-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1144-20-0x00000000025D0000-0x00000000025E0000-memory.dmp

      Filesize

      64KB

    • memory/1144-54-0x0000000005ED0000-0x0000000005F1C000-memory.dmp

      Filesize

      304KB

    • memory/1144-53-0x0000000005E90000-0x0000000005EAE000-memory.dmp

      Filesize

      120KB

    • memory/1144-38-0x00000000059E0000-0x0000000005D34000-memory.dmp

      Filesize

      3.3MB

    • memory/1144-88-0x00000000074E0000-0x00000000074E8000-memory.dmp

      Filesize

      32KB

    • memory/1144-23-0x0000000004DE0000-0x0000000004E02000-memory.dmp

      Filesize

      136KB

    • memory/1144-96-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-28-0x0000000005490000-0x00000000054F6000-memory.dmp

      Filesize

      408KB

    • memory/2228-68-0x0000000006A70000-0x0000000006A8E000-memory.dmp

      Filesize

      120KB

    • memory/2228-25-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-95-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-22-0x00000000021F0000-0x0000000002200000-memory.dmp

      Filesize

      64KB

    • memory/2228-87-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/2228-86-0x0000000007060000-0x0000000007074000-memory.dmp

      Filesize

      80KB

    • memory/2228-83-0x00000000070A0000-0x0000000007136000-memory.dmp

      Filesize

      600KB

    • memory/2228-82-0x0000000006E90000-0x0000000006E9A000-memory.dmp

      Filesize

      40KB

    • memory/2228-21-0x00000000021F0000-0x0000000002200000-memory.dmp

      Filesize

      64KB

    • memory/2228-80-0x0000000007470000-0x0000000007AEA000-memory.dmp

      Filesize

      6.5MB

    • memory/2228-55-0x0000000006A90000-0x0000000006AC2000-memory.dmp

      Filesize

      200KB

    • memory/2228-56-0x000000007FBB0000-0x000000007FBC0000-memory.dmp

      Filesize

      64KB

    • memory/2228-57-0x00000000713B0000-0x00000000713FC000-memory.dmp

      Filesize

      304KB

    • memory/4040-52-0x00000000052D0000-0x00000000052E0000-memory.dmp

      Filesize

      64KB

    • memory/4040-49-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4040-97-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4040-44-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4304-5-0x0000000005020000-0x000000000502A000-memory.dmp

      Filesize

      40KB

    • memory/4304-8-0x0000000006220000-0x000000000622A000-memory.dmp

      Filesize

      40KB

    • memory/4304-26-0x0000000004FF0000-0x0000000005000000-memory.dmp

      Filesize

      64KB

    • memory/4304-51-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-6-0x0000000005510000-0x0000000005528000-memory.dmp

      Filesize

      96KB

    • memory/4304-9-0x0000000006670000-0x00000000066EA000-memory.dmp

      Filesize

      488KB

    • memory/4304-19-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-7-0x0000000006210000-0x0000000006218000-memory.dmp

      Filesize

      32KB

    • memory/4304-4-0x0000000004FF0000-0x0000000005000000-memory.dmp

      Filesize

      64KB

    • memory/4304-3-0x0000000005040000-0x00000000050D2000-memory.dmp

      Filesize

      584KB

    • memory/4304-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

      Filesize

      5.6MB

    • memory/4304-1-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-0-0x0000000000550000-0x0000000000654000-memory.dmp

      Filesize

      1.0MB

    • memory/4304-10-0x0000000006330000-0x00000000063CC000-memory.dmp

      Filesize

      624KB