Overview

overview

10

Static

static

10

013a54d88c...b7.exe

windows7-x64

8

013a54d88c...b7.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2022 11:06

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General

  • Target

    013a54d88cabf8dd0afb664b6f1b06b7.exe

  • Size

    37KB

  • MD5

    013a54d88cabf8dd0afb664b6f1b06b7

  • SHA1

    99431f171ef84bbae20376a787135578a61f235f

  • SHA256

    f0aa0de7d31f68b412ddb78d8a0ffe9153422133780522a945eb17b5bd1016f0

  • SHA512

    f5e21e058ce8569e764b8ddbf0f6b6b28b1c4aa913fec25e09e377786a321ac742a631eab39b3d7e0b5794d9a9b6ffdc7b52d585a0560b8d4eb2683fac0aeabd

  • SSDEEP

    384:w+xcaCisP/WRdL5kyc/5kvHHng6sZ8UrAF+rMRTyN/0L+EcoinblneHQM3epzX0t:FxckD5nc/5k/VsxrM+rMRa8NuCnt

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 3 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\013a54d88cabf8dd0afb664b6f1b06b7.exe
    "C:\Users\Admin\AppData\Local\Temp\013a54d88cabf8dd0afb664b6f1b06b7.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\013a54d88cabf8dd0afb664b6f1b06b7.exe" "013a54d88cabf8dd0afb664b6f1b06b7.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2200
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM Exsample.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2200-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4336-134-0x0000000000000000-mapping.dmp
    Download
  • memory/4736-132-0x0000000074E30000-0x00000000753E1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4736-135-0x0000000074E30000-0x00000000753E1000-memory.dmp
    Filesize

    5.7MB

    Download