Overview

overview

9

Static

static

7

efa677f161...28.exe

windows7_x64

9

efa677f161...28.exe

windows10_x64

9

Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19-10-2021 15:06

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General

  • Target

    efa677f1615a80d9c21c74d060818e28.exe

  • Size

    2.6MB

  • MD5

    efa677f1615a80d9c21c74d060818e28

  • SHA1

    11a33eda9452a63eb34fe9f1e1f9c576fb157ed5

  • SHA256

    16b06e18530e2528d03f8dfa6e57cd1799b6123c1421c89e24bf0732d1ccf0f2

  • SHA512

    f3960b1fd85a4f550ce2c880233428458cb92d1dd8c3ce0559579fa5c6c63078cafbb0618d9358774e801da2888fda4d301d3ddd81567a835bfd136052f39e67

Score
9/10
discoveryevasionspywarestealerthemidatrojan

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • 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 web browsers 2 TTPs

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

    spywarestealer
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efa677f1615a80d9c21c74d060818e28.exe
    "C:\Users\Admin\AppData\Local\Temp\efa677f1615a80d9c21c74d060818e28.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1548-55-0x0000000075821000-0x0000000075823000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-58-0x0000000001260000-0x0000000001261000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1548-60-0x00000000052B0000-0x00000000052B1000-memory.dmp
    Filesize

    4KB

    Download