Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    35s
  • max time network
    37s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-08-2024 12:52

General

  • Target

    1/3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe

  • Size

    731KB

  • MD5

    bd1050f3642d22733a30cd101f591713

  • SHA1

    5a6553bea21e2df2307ed5c843072bcb023566be

  • SHA256

    3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671

  • SHA512

    6cc19b1df105d9f4e76c39f7be79c9a5a42fdb338a8b56b1d16e1343221e36552344fc30aa8c2bf4d48781694a412dcddb5858a36c643706bc778b0b8cc59883

  • SSDEEP

    12288:tmoDWx2PQfRcudR5C3T+Lc7vaVs95ucinaj13Tp8K2:tHawMR9/gDR5yrQx2K2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
    "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4740
    • 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\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4904
    • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
      "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dyczo22p.5fo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3292-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3292-56-0x00000000065A0000-0x00000000065F0000-memory.dmp

    Filesize

    320KB

  • memory/3292-60-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-18-0x0000000005060000-0x00000000050C6000-memory.dmp

    Filesize

    408KB

  • memory/3292-17-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-15-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/4740-5-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/4740-16-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/4740-9-0x00000000073C0000-0x00000000073DA000-memory.dmp

    Filesize

    104KB

  • memory/4740-10-0x0000000006C40000-0x0000000006C4E000-memory.dmp

    Filesize

    56KB

  • memory/4740-11-0x0000000006C90000-0x0000000006D14000-memory.dmp

    Filesize

    528KB

  • memory/4740-12-0x00000000097B0000-0x000000000984C000-memory.dmp

    Filesize

    624KB

  • memory/4740-8-0x0000000007240000-0x0000000007262000-memory.dmp

    Filesize

    136KB

  • memory/4740-7-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

    Filesize

    72KB

  • memory/4740-6-0x0000000005940000-0x0000000005C97000-memory.dmp

    Filesize

    3.3MB

  • memory/4740-4-0x00000000056B0000-0x00000000056BA000-memory.dmp

    Filesize

    40KB

  • memory/4740-3-0x0000000005600000-0x0000000005692000-memory.dmp

    Filesize

    584KB

  • memory/4740-2-0x0000000005CC0000-0x0000000006266000-memory.dmp

    Filesize

    5.6MB

  • memory/4740-1-0x0000000000BF0000-0x0000000000CAC000-memory.dmp

    Filesize

    752KB

  • memory/4740-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp

    Filesize

    4KB

  • memory/4904-21-0x00000000052F0000-0x000000000591A000-memory.dmp

    Filesize

    6.2MB

  • memory/4904-47-0x0000000007620000-0x0000000007C9A000-memory.dmp

    Filesize

    6.5MB

  • memory/4904-22-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-32-0x0000000005920000-0x0000000005C77000-memory.dmp

    Filesize

    3.3MB

  • memory/4904-33-0x0000000005220000-0x000000000523E000-memory.dmp

    Filesize

    120KB

  • memory/4904-34-0x0000000005D20000-0x0000000005D6C000-memory.dmp

    Filesize

    304KB

  • memory/4904-36-0x0000000070F70000-0x0000000070FBC000-memory.dmp

    Filesize

    304KB

  • memory/4904-46-0x0000000006EC0000-0x0000000006F64000-memory.dmp

    Filesize

    656KB

  • memory/4904-45-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/4904-35-0x0000000006C80000-0x0000000006CB4000-memory.dmp

    Filesize

    208KB

  • memory/4904-48-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

    Filesize

    104KB

  • memory/4904-23-0x0000000005070000-0x00000000050D6000-memory.dmp

    Filesize

    408KB

  • memory/4904-49-0x0000000007060000-0x000000000706A000-memory.dmp

    Filesize

    40KB

  • memory/4904-50-0x0000000007270000-0x0000000007306000-memory.dmp

    Filesize

    600KB

  • memory/4904-51-0x00000000071F0000-0x0000000007201000-memory.dmp

    Filesize

    68KB

  • memory/4904-52-0x0000000007220000-0x000000000722E000-memory.dmp

    Filesize

    56KB

  • memory/4904-53-0x0000000007230000-0x0000000007245000-memory.dmp

    Filesize

    84KB

  • memory/4904-54-0x0000000007330000-0x000000000734A000-memory.dmp

    Filesize

    104KB

  • memory/4904-55-0x0000000007320000-0x0000000007328000-memory.dmp

    Filesize

    32KB

  • memory/4904-20-0x0000000002470000-0x00000000024A6000-memory.dmp

    Filesize

    216KB

  • memory/4904-59-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB

  • memory/4904-19-0x0000000074F50000-0x0000000075701000-memory.dmp

    Filesize

    7.7MB