Overview

overview

10

Static

static

e9dd44bc93...e5.exe

windows7_x64

10

e9dd44bc93...e5.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    163s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 07:35

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General

  • Target

    e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5.exe

  • Size

    179KB

  • MD5

    05f591b5044b5e8689879cbd885c920b

  • SHA1

    dc77c9a8e58497f86df64d22e24b2fc9852de49c

  • SHA256

    e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5

  • SHA512

    545855689ec71d304dd48ffbf4a3db509ff5afcccdf40480d1c3c2e9a44ac18ef1912ea1be7c111fbe30ff1b6a16bbce24749943ca2c70b88cbcf74e3698e3a5

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5.exe
    "C:\Users\Admin\AppData\Local\Temp\e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
      "C:\Users\Admin\AppData\Local\Temp\systemupdate.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
    Filesize

    179KB

    MD5

    05f591b5044b5e8689879cbd885c920b

    SHA1

    dc77c9a8e58497f86df64d22e24b2fc9852de49c

    SHA256

    e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5

    SHA512

    545855689ec71d304dd48ffbf4a3db509ff5afcccdf40480d1c3c2e9a44ac18ef1912ea1be7c111fbe30ff1b6a16bbce24749943ca2c70b88cbcf74e3698e3a5

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
    Filesize

    179KB

    MD5

    05f591b5044b5e8689879cbd885c920b

    SHA1

    dc77c9a8e58497f86df64d22e24b2fc9852de49c

    SHA256

    e9dd44bc93c6600e1de03f26f733cc003836f6fb58bfee6a89783ffa5bae86e5

    SHA512

    545855689ec71d304dd48ffbf4a3db509ff5afcccdf40480d1c3c2e9a44ac18ef1912ea1be7c111fbe30ff1b6a16bbce24749943ca2c70b88cbcf74e3698e3a5

    Download Submit
  • memory/1880-130-0x0000000000530000-0x0000000000564000-memory.dmp
    Filesize

    208KB

    Download
  • memory/1880-131-0x0000000004D80000-0x0000000004E1C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/1880-132-0x00000000058C0000-0x0000000005E64000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1880-133-0x0000000005430000-0x00000000054C2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4520-134-0x0000000000000000-mapping.dmp
    Download
  • memory/4520-137-0x0000000005580000-0x000000000558A000-memory.dmp
    Filesize

    40KB

    Download