Overview

overview

9

Static

static

7

tmp/b8298f...ew.exe

windows7_x64

9

tmp/b8298f...ew.exe

windows10_x64

9

Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    26-12-2021 17:02

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General

  • Target

    tmp/b8298fff-073a-4228-8b37-4b0f43e8cbc4_new.exe

  • Size

    2.0MB

  • MD5

    37f93749f0477272bc02e501306a060b

  • SHA1

    b9feb01ca04c31c105290a9658f58f86bc6f06a0

  • SHA256

    c675a6e0f3af9df79a91b87a54ed211c17157aa13489cc8d6df49e207f9e30af

  • SHA512

    624cbaac00409782f699aad808b0e602334bb6fa206c66d0e375e581e270633a88f2ee397952734a915619bb7607ff187b446f112e05bb2404a45d2416842e94

Score
9/10
evasionthemidatrojan

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.

  • Drops startup file 1 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\b8298fff-073a-4228-8b37-4b0f43e8cbc4_new.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\b8298fff-073a-4228-8b37-4b0f43e8cbc4_new.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:900

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/900-55-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/900-56-0x000007FE80010000-0x000007FE80011000-memory.dmp
    Filesize

    4KB

    Download
  • memory/900-57-0x000000013F650000-0x000000013FC02000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/900-58-0x000000013F650000-0x000000013FC02000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/900-59-0x0000000002810000-0x0000000002898000-memory.dmp
    Filesize

    544KB

    Download
  • memory/900-60-0x000000001C390000-0x000000001C392000-memory.dmp
    Filesize

    8KB

    Download
  • memory/900-61-0x00000000028A0000-0x00000000028F2000-memory.dmp
    Filesize

    328KB

    Download
  • memory/900-62-0x0000000000990000-0x000000000099C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/900-63-0x0000000002ED0000-0x0000000002F24000-memory.dmp
    Filesize

    336KB

    Download
  • memory/900-64-0x0000000002F20000-0x0000000002F6C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/900-65-0x000000001C396000-0x000000001C3B5000-memory.dmp
    Filesize

    124KB

    Download