Analysis

  • max time kernel
    27s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2022 09:18

General

  • Target

    HEUR-Trojan-PSW.MSIL.Agensla.gen-62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

  • Size

    274KB

  • MD5

    88c05e490c59382d1d19886fe0fff325

  • SHA1

    e9cf39409ef4569c21cc10b2fd4f040e19b6a4ee

  • SHA256

    62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299

  • SHA512

    7b4511fe6c98627dc57ac2fdb32083a38f290542bcbe08bd8ca566def4bf61e4e02db1e46d525ce946f0caf55fb9e0f1e43d09129e4992bb9bc1b3b39cf6e052

  • SSDEEP

    6144:af+BLtABPDWlR1ZroWT0Ilb5wqlYeJOlA1D0LfN:rluK0Ilb5/lYeR1D+N

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/995248566551453789/dAKoCwfwxZLio1kYw1hDPwWmGXZm_oc0bPueRJeTs24o8dr_hgZncoNldxhaZ5_em0Ve

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-PSW.MSIL.Agensla.gen-62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-PSW.MSIL.Agensla.gen-62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2044-54-0x0000000000920000-0x000000000096A000-memory.dmp

    Filesize

    296KB