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Analysis

  • max time kernel
    142s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 01:49

General

  • Target

    ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3.exe

  • Size

    3.3MB

  • MD5

    fbe98ea777d83fcbdfd8f279d900f8fd

  • SHA1

    47aa24342edd409b4cb1a4f3b708f363ce66871a

  • SHA256

    ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3

  • SHA512

    b8089e21ecd97a90fdbbd1cc090c6ae9c3d3204862bd324480bc77a3fb204d50c2730824553680942973647ef945571b0bcddec3db8419ee341a2e4561dcbc61

  • SSDEEP

    98304:TR/yT715TGTtRCdLorKYIthsKddy23M9J:F/KTGTtEh84zdDjMz

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3.exe
    "C:\Users\Admin\AppData\Local\Temp\ad7a7cf0976ddc45d980eedb9adb2c550f3c6956ac7bc045de97424fec0456a3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3200-0-0x0000000000840000-0x0000000001138000-memory.dmp

    Filesize

    9.0MB

  • memory/3200-5-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-4-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-3-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-2-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-1-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-6-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-7-0x0000000077264000-0x0000000077266000-memory.dmp

    Filesize

    8KB

  • memory/3200-10-0x0000000000840000-0x0000000001138000-memory.dmp

    Filesize

    9.0MB

  • memory/3200-11-0x0000000000840000-0x0000000001138000-memory.dmp

    Filesize

    9.0MB

  • memory/3200-12-0x0000000006120000-0x00000000066C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3200-13-0x0000000005AE0000-0x0000000005B46000-memory.dmp

    Filesize

    408KB

  • memory/3200-15-0x0000000000840000-0x0000000001138000-memory.dmp

    Filesize

    9.0MB

  • memory/3200-16-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-17-0x0000000007070000-0x00000000070C0000-memory.dmp

    Filesize

    320KB

  • memory/3200-18-0x0000000007160000-0x00000000071FC000-memory.dmp

    Filesize

    624KB

  • memory/3200-19-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-20-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-22-0x0000000075B60000-0x0000000075C50000-memory.dmp

    Filesize

    960KB

  • memory/3200-23-0x00000000072A0000-0x0000000007332000-memory.dmp

    Filesize

    584KB

  • memory/3200-24-0x0000000007230000-0x000000000723A000-memory.dmp

    Filesize

    40KB