Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    28-09-2021 16:12

General

  • Target

    s.exe

  • Size

    4.8MB

  • MD5

    c04496520501bc6a3b3f0b7f5f875a32

  • SHA1

    49e280e408a6df27295abf3d504003cbceeb00d8

  • SHA256

    3b347a4641e8553c4ecbee8e6d86c32311cd9348d61eb55929aae076e82f96c3

  • SHA512

    de333be3cd173a96579e95410fe92b8a4e5976b80451601bcf300eb2f3405be91983edb83881dd7f1d02aef6c0a5cadc00850c0536b2254ad710808d5cf183eb

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

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

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

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\s.exe
    "C:\Users\Admin\AppData\Local\Temp\s.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1924-60-0x0000000076691000-0x0000000076693000-memory.dmp
    Filesize

    8KB

  • memory/1924-62-0x0000000000C10000-0x0000000000C11000-memory.dmp
    Filesize

    4KB

  • memory/1924-64-0x0000000005E90000-0x0000000005E91000-memory.dmp
    Filesize

    4KB

  • memory/1924-65-0x0000000005E95000-0x0000000005EA6000-memory.dmp
    Filesize

    68KB

  • memory/1924-66-0x0000000005EA6000-0x0000000005EA7000-memory.dmp
    Filesize

    4KB

  • memory/1924-67-0x0000000005EA7000-0x0000000005EA8000-memory.dmp
    Filesize

    4KB

  • memory/1924-68-0x0000000005EA8000-0x0000000005EA9000-memory.dmp
    Filesize

    4KB

  • memory/1924-69-0x0000000005EA9000-0x0000000005EAA000-memory.dmp
    Filesize

    4KB

  • memory/1924-70-0x0000000005EAA000-0x0000000005EAB000-memory.dmp
    Filesize

    4KB

  • memory/1924-71-0x0000000005EAB000-0x0000000005EAC000-memory.dmp
    Filesize

    4KB

  • memory/1924-72-0x0000000005EAC000-0x0000000005EAD000-memory.dmp
    Filesize

    4KB

  • memory/1924-73-0x0000000005EAD000-0x0000000005EAE000-memory.dmp
    Filesize

    4KB

  • memory/1924-74-0x0000000005EAE000-0x0000000005EAF000-memory.dmp
    Filesize

    4KB

  • memory/1924-75-0x0000000005EAF000-0x0000000005EB0000-memory.dmp
    Filesize

    4KB

  • memory/1924-76-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
    Filesize

    4KB

  • memory/1924-77-0x0000000005EB1000-0x0000000005EB2000-memory.dmp
    Filesize

    4KB

  • memory/1924-78-0x0000000005EB2000-0x0000000005EB3000-memory.dmp
    Filesize

    4KB

  • memory/1924-79-0x0000000005EB3000-0x0000000005EB4000-memory.dmp
    Filesize

    4KB

  • memory/1924-80-0x0000000005EB4000-0x0000000005EB5000-memory.dmp
    Filesize

    4KB

  • memory/1924-81-0x0000000005EB5000-0x0000000005EB6000-memory.dmp
    Filesize

    4KB

  • memory/1924-82-0x0000000005EB6000-0x0000000005EB8000-memory.dmp
    Filesize

    8KB

  • memory/1924-83-0x0000000005EB8000-0x0000000005EBA000-memory.dmp
    Filesize

    8KB