Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 01:22

General

  • Target

    ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe

  • Size

    801KB

  • MD5

    93448df651462b991e637c29f96f743b

  • SHA1

    572103d0c0e08913880de207c99a67e69edefc89

  • SHA256

    ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219

  • SHA512

    8505edba75c7c8ad23fa0185aaab4a1421b2789c092639b2b025878fc79b96af967a91d694f45f011a27f031c1501d9c6ac2746caee298ac8bc93927299a52af

  • SSDEEP

    12288:wS7ChtcY/YLLEmmmmmmmmEP5tTL6XypgjwRdQE26SWo9itoX+4KJIs1/EVXagtYu:wS7C3c6ytfgjwuaoOXJncagtY+VT

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7484083549:AAEE5Oqjk8-Dg8pZ-dQakW-Y-WLiZEYp4ng/

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Looks up external IP address via web service 1 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe
    "C:\Users\Admin\AppData\Local\Temp\ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4456
    • 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\ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ucSBYWgzLcqdK.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ucSBYWgzLcqdK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C44.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1244
    • C:\Users\Admin\AppData\Local\Temp\ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe
      "C:\Users\Admin\AppData\Local\Temp\ff02b3a5936360107b2140fbf9568906942f0233c653138b9ed7aaf380ea8219.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3128

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

    3cc8452c1334a5c0a198ab453eada9c6

    SHA1

    ec5a7f16983003295077eab7dd1b7b3f6e1e28ca

    SHA256

    afa4e1f3a069d37fb867cb854eed4985df9cca87a9da55fafae82093f1938a73

    SHA512

    a011df00977a3876ddd472c3332e0a421f9591338ca87ebcb2468de655cecb71ad0910656d608ff715d953fab66394054287b2c776535a1f1b371e8df5808eb6

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sdzq2g1m.qit.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7C44.tmp

    Filesize

    1KB

    MD5

    5051f6b5cbba35f24d9894279adff415

    SHA1

    ccaa368e8078539b00ccbcd1c6e79c745f1a0df3

    SHA256

    6f3ad895e3a2eca2a2df48ba94b86237ca7ad5b275c781d7458df7fabbce89e4

    SHA512

    4d985ab6d29c7eec639b5b7db246637d190529d872e4240e37188a9ddd8036c0429801c5d293c80c40723b8372949770a943b755b78b3bed83badfb480bbb272

  • memory/3128-90-0x00000000065D0000-0x0000000006620000-memory.dmp

    Filesize

    320KB

  • memory/3128-43-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3972-33-0x00000000056A0000-0x00000000059F4000-memory.dmp

    Filesize

    3.3MB

  • memory/3972-21-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/3972-85-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-79-0x00000000070E0000-0x00000000070EE000-memory.dmp

    Filesize

    56KB

  • memory/3972-75-0x00000000075D0000-0x0000000007C4A000-memory.dmp

    Filesize

    6.5MB

  • memory/3972-17-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-18-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3972-16-0x0000000004D60000-0x0000000005388000-memory.dmp

    Filesize

    6.2MB

  • memory/3972-53-0x0000000071500000-0x000000007154C000-memory.dmp

    Filesize

    304KB

  • memory/3972-73-0x0000000006B80000-0x0000000006C23000-memory.dmp

    Filesize

    652KB

  • memory/3972-15-0x0000000002290000-0x00000000022C6000-memory.dmp

    Filesize

    216KB

  • memory/3972-19-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

    Filesize

    136KB

  • memory/3972-20-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

  • memory/3972-47-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-46-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-9-0x0000000007170000-0x00000000071F6000-memory.dmp

    Filesize

    536KB

  • memory/4456-1-0x0000000000E30000-0x0000000000EFE000-memory.dmp

    Filesize

    824KB

  • memory/4456-7-0x0000000005B80000-0x0000000005B8E000-memory.dmp

    Filesize

    56KB

  • memory/4456-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/4456-3-0x00000000057A0000-0x0000000005832000-memory.dmp

    Filesize

    584KB

  • memory/4456-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4456-8-0x0000000005D10000-0x0000000005D20000-memory.dmp

    Filesize

    64KB

  • memory/4456-5-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4456-4-0x0000000005850000-0x000000000585A000-memory.dmp

    Filesize

    40KB

  • memory/4456-10-0x00000000073D0000-0x000000000746C000-memory.dmp

    Filesize

    624KB

  • memory/4456-6-0x0000000005B40000-0x0000000005B56000-memory.dmp

    Filesize

    88KB

  • memory/5032-81-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

    Filesize

    104KB

  • memory/5032-78-0x0000000007B60000-0x0000000007B71000-memory.dmp

    Filesize

    68KB

  • memory/5032-65-0x0000000006C00000-0x0000000006C1E000-memory.dmp

    Filesize

    120KB

  • memory/5032-76-0x00000000079D0000-0x00000000079DA000-memory.dmp

    Filesize

    40KB

  • memory/5032-52-0x0000000071500000-0x000000007154C000-memory.dmp

    Filesize

    304KB

  • memory/5032-77-0x0000000007BE0000-0x0000000007C76000-memory.dmp

    Filesize

    600KB

  • memory/5032-51-0x0000000007800000-0x0000000007832000-memory.dmp

    Filesize

    200KB

  • memory/5032-50-0x0000000006B40000-0x0000000006B8C000-memory.dmp

    Filesize

    304KB

  • memory/5032-74-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/5032-82-0x0000000007C80000-0x0000000007C88000-memory.dmp

    Filesize

    32KB

  • memory/5032-80-0x0000000007BA0000-0x0000000007BB4000-memory.dmp

    Filesize

    80KB

  • memory/5032-89-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-48-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-44-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-32-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/5032-49-0x0000000006000000-0x000000000601E000-memory.dmp

    Filesize

    120KB