Analysis

  • max time kernel
    125s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 23:48

General

  • Target

    PRE ALERT NOTICE.exe

  • Size

    662KB

  • MD5

    3cfb07a2465657d8928e675dedcd9978

  • SHA1

    c5bd7e1f89fde69af56a8305e5fac685557da92e

  • SHA256

    b5373781057e3cc3a3e2064f57942adc17f2a3905de6c1037332dfaede7a9cba

  • SHA512

    77c6687b8c635e90b8c19c914d5873ee40a8105448dc96480a2a1c1fb7abcb201ad4cd0a0ae9768a696743a29b1e6d25aeed62dcc93d5d60fee858781326c88a

  • SSDEEP

    12288:huGo+4WpAE9y7Rxkz2Uo6hYMRbG7TyQ8WyDv3WDWHUIpUsimxVR5dx6D78cPLC+:ppAEIxyo6hplGUWyrWDEUIpUOTKD

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PRE ALERT NOTICE.exe
    "C:\Users\Admin\AppData\Local\Temp\PRE ALERT NOTICE.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3564
    • 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\PRE ALERT NOTICE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eKoCjhdl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eKoCjhdl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8879.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3168
    • C:\Users\Admin\AppData\Local\Temp\PRE ALERT NOTICE.exe
      "C:\Users\Admin\AppData\Local\Temp\PRE ALERT NOTICE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:832

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

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    be8190b22f04923455a0dc9777979578

    SHA1

    0dd738d2d8ec01c4a6992802b3499ef0830c2a55

    SHA256

    6e07ac4fe59f00a5184e62ba744d7a0e3e73ad828f0f91a9587abec40f3065eb

    SHA512

    51df41089393bbd47cb637612543a5e83226d442543613a9cd57876f0e21c8cd1f7ea416fc16c893707c96a036e7625ea82c6c65bf5521abd5f77259e0af8d99

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lcpgo2so.poo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8879.tmp

    Filesize

    1KB

    MD5

    cf3d8d50df0d90842d22e146fbd12719

    SHA1

    afbfef2e3cde073e9ad0cc8a5fbf65580d27a244

    SHA256

    ab1f2d0131f62cc3500d2b3c9c16eaa05f9f84cee1dfe04b70678877fcd29779

    SHA512

    5c7f5f04b9fca71e4bbb7d5104bfcf7c814d8d561d2820b5ebc4c60d82b0949db04cf0c3846190afca645ed4a527816e2de03ef3817ddd4707435ddce1c6e69b

  • memory/832-100-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/832-99-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/832-98-0x0000000005DA0000-0x0000000005DF0000-memory.dmp

    Filesize

    320KB

  • memory/832-52-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/832-41-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/832-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2616-16-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-69-0x000000007EE70000-0x000000007EE80000-memory.dmp

    Filesize

    64KB

  • memory/2616-26-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/2616-56-0x0000000070F90000-0x0000000070FDC000-memory.dmp

    Filesize

    304KB

  • memory/2616-18-0x0000000004E70000-0x0000000004E80000-memory.dmp

    Filesize

    64KB

  • memory/2616-81-0x0000000004E70000-0x0000000004E80000-memory.dmp

    Filesize

    64KB

  • memory/2616-83-0x00000000076C0000-0x00000000076DA000-memory.dmp

    Filesize

    104KB

  • memory/2616-20-0x0000000004E70000-0x0000000004E80000-memory.dmp

    Filesize

    64KB

  • memory/2616-80-0x0000000007370000-0x0000000007413000-memory.dmp

    Filesize

    652KB

  • memory/2616-15-0x0000000004DE0000-0x0000000004E16000-memory.dmp

    Filesize

    216KB

  • memory/2616-67-0x0000000007300000-0x000000000731E000-memory.dmp

    Filesize

    120KB

  • memory/2616-53-0x0000000006380000-0x000000000639E000-memory.dmp

    Filesize

    120KB

  • memory/2616-28-0x0000000005D70000-0x0000000005DD6000-memory.dmp

    Filesize

    408KB

  • memory/2616-86-0x00000000078C0000-0x00000000078D1000-memory.dmp

    Filesize

    68KB

  • memory/2616-87-0x00000000078F0000-0x00000000078FE000-memory.dmp

    Filesize

    56KB

  • memory/2616-88-0x0000000007900000-0x0000000007914000-memory.dmp

    Filesize

    80KB

  • memory/2616-97-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3408-17-0x0000000004DA0000-0x00000000053C8000-memory.dmp

    Filesize

    6.2MB

  • memory/3408-89-0x00000000072A0000-0x00000000072BA000-memory.dmp

    Filesize

    104KB

  • memory/3408-42-0x00000000057C0000-0x0000000005B14000-memory.dmp

    Filesize

    3.3MB

  • memory/3408-93-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3408-27-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3408-54-0x0000000005C70000-0x0000000005CBC000-memory.dmp

    Filesize

    304KB

  • memory/3408-68-0x0000000070F90000-0x0000000070FDC000-memory.dmp

    Filesize

    304KB

  • memory/3408-90-0x0000000007280000-0x0000000007288000-memory.dmp

    Filesize

    32KB

  • memory/3408-23-0x0000000004C70000-0x0000000004C92000-memory.dmp

    Filesize

    136KB

  • memory/3408-22-0x00000000023D0000-0x00000000023E0000-memory.dmp

    Filesize

    64KB

  • memory/3408-79-0x00000000023D0000-0x00000000023E0000-memory.dmp

    Filesize

    64KB

  • memory/3408-57-0x000000007FC40000-0x000000007FC50000-memory.dmp

    Filesize

    64KB

  • memory/3408-19-0x00000000023D0000-0x00000000023E0000-memory.dmp

    Filesize

    64KB

  • memory/3408-85-0x00000000071E0000-0x0000000007276000-memory.dmp

    Filesize

    600KB

  • memory/3408-55-0x0000000006210000-0x0000000006242000-memory.dmp

    Filesize

    200KB

  • memory/3408-84-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

    Filesize

    40KB

  • memory/3408-82-0x00000000075A0000-0x0000000007C1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3564-24-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3564-10-0x0000000008420000-0x00000000084BC000-memory.dmp

    Filesize

    624KB

  • memory/3564-9-0x0000000005160000-0x00000000051DA000-memory.dmp

    Filesize

    488KB

  • memory/3564-8-0x0000000005B80000-0x0000000005B8A000-memory.dmp

    Filesize

    40KB

  • memory/3564-7-0x0000000005B70000-0x0000000005B78000-memory.dmp

    Filesize

    32KB

  • memory/3564-31-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3564-0-0x0000000000CD0000-0x0000000000D7A000-memory.dmp

    Filesize

    680KB

  • memory/3564-30-0x00000000059B0000-0x00000000059C0000-memory.dmp

    Filesize

    64KB

  • memory/3564-4-0x00000000059B0000-0x00000000059C0000-memory.dmp

    Filesize

    64KB

  • memory/3564-5-0x00000000057B0000-0x00000000057BA000-memory.dmp

    Filesize

    40KB

  • memory/3564-6-0x0000000005B20000-0x0000000005B38000-memory.dmp

    Filesize

    96KB

  • memory/3564-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/3564-2-0x0000000005DF0000-0x0000000006394000-memory.dmp

    Filesize

    5.6MB

  • memory/3564-1-0x00000000748F0000-0x00000000750A0000-memory.dmp

    Filesize

    7.7MB