Overview

overview

8

Static

static

b1776ceebd...51.exe

windows7-x64

8

b1776ceebd...51.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    193s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 20:38

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General

  • Target

    b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe

  • Size

    126KB

  • MD5

    3f24a300cd20fce097aa079ab2953e4c

  • SHA1

    4528ff57ad2f99410666b472068a76d761f5b19c

  • SHA256

    b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451

  • SHA512

    99bc0332477eed03387ea6b22a97cfeb5021d683b3ce949d31cbabce25e44e0df34e6ca9f8844152e7331ca882e8eb5bdfd699fc3bd2f3cc73e752e9f52ab38f

  • SSDEEP

    3072:zpF3T6kXMn/Yf96OHt1SNh/dX2miQpWv2IeXhHYM4p4m0e1A1N:zHOUMnY96OmN7l/ieX11N

Score
8/10
persistencespywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe
    "C:\Users\Admin\AppData\Local\Temp\b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Users\Admin\AppData\Local\Temp\b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe
      C:\Users\Admin\AppData\Local\Temp\b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3860

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\b1776ceebd34675ee06d9c33a70a8ac2c520aa8eae4ef4185b78ab2981d78451.exe.log
    Filesize

    319B

    MD5

    a4da81a3544d9cd85f257967c0a431fe

    SHA1

    ba6f59ae5c6a2674a1fda758b5ded92f76d5edb3

    SHA256

    ad372efe5e610b9c2a331ac8f17f83542ef78b92c875c206d76c84e158fb271e

    SHA512

    12348d4cb4b6534a43f122d18fc7276c524c5b7e8f242f446eefb4d2ffea8018aed53a854cb840b2f30669caf74d14daff4276c6676a15221c58c84b210d393f

    Download Submit
  • memory/3860-134-0x0000000000000000-mapping.dmp
    Download
  • memory/3860-135-0x0000000000400000-0x000000000041A000-memory.dmp
    Filesize

    104KB

    Download
  • memory/3860-138-0x0000000074A00000-0x0000000074FB1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3860-139-0x0000000074A00000-0x0000000074FB1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4120-132-0x0000000074A00000-0x0000000074FB1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4120-133-0x0000000074A00000-0x0000000074FB1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4120-137-0x0000000074A00000-0x0000000074FB1000-memory.dmp
    Filesize

    5.7MB

    Download