Overview

overview

10

Static

static

7

22ec2adbd5...9f.exe

windows7_x64

9

22ec2adbd5...9f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    121s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 14:58

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General

  • Target

    22ec2adbd53e81bd8f3a189b5c475ee7078ebe8f79af2771dd4a2d3cfc3fae9f.exe

  • Size

    2.6MB

  • MD5

    9c8142047df3966d72ee64a59b467a29

  • SHA1

    ad46a75ae11827c7776a41662abb7d0ba0d6e33a

  • SHA256

    22ec2adbd53e81bd8f3a189b5c475ee7078ebe8f79af2771dd4a2d3cfc3fae9f

  • SHA512

    4761aa85d4afec93f3b829fb9060d9f8af501674398c5764bcaf7bace8a35bef49028d326cbff956127c1600964cfb9a59b19973ca0bad0bcb91833b9bb33bc0

Score
10/10
evasionthemidatrojan

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • 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.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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
  • Drops file in Windows directory 8 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22ec2adbd53e81bd8f3a189b5c475ee7078ebe8f79af2771dd4a2d3cfc3fae9f.exe
    "C:\Users\Admin\AppData\Local\Temp\22ec2adbd53e81bd8f3a189b5c475ee7078ebe8f79af2771dd4a2d3cfc3fae9f.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 1332
      2⤵
      • Program crash
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3924 -ip 3924
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:4940
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4924
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3700

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

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

  • memory/3924-130-0x0000000000DA0000-0x0000000001465000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3924-131-0x0000000000DA0000-0x0000000001465000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3924-132-0x0000000000DA0000-0x0000000001465000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3924-133-0x0000000077934000-0x0000000077936000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4924-134-0x0000024B01530000-0x0000024B01540000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4924-135-0x0000024B01590000-0x0000024B015A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4924-136-0x0000024B04290000-0x0000024B04294000-memory.dmp
    Filesize

    16KB

    Download