Overview

overview

10

Static

static

10

C39E53A8A1...57.exe

windows7_x64

8

C39E53A8A1...57.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    16-09-2021 17:05

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General

  • Target

    C39E53A8A1D7E702CE379EE016E79448798ADCC9ECF57.exe

  • Size

    37KB

  • MD5

    4211578cdfacbd2ba17aeca89f127f60

  • SHA1

    d09bb5b348703089849fb0650c24501de5b5d388

  • SHA256

    c39e53a8a1d7e702ce379ee016e79448798adcc9ecf57854e0dffdf8e12aebd0

  • SHA512

    f248df22736ba09d85921c4be09f367dd8960b2144a875799b0ebcbf695c33d0b68eb1df3ea8ec975fd7897a6c3c200e600c3b5fe68fe9ab0bfdae3448880d7a

Score
8/10
evasionpersistence

Malware Config

Signatures

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C39E53A8A1D7E702CE379EE016E79448798ADCC9ECF57.exe
    "C:\Users\Admin\AppData\Local\Temp\C39E53A8A1D7E702CE379EE016E79448798ADCC9ECF57.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\C39E53A8A1D7E702CE379EE016E79448798ADCC9ECF57.exe" "C39E53A8A1D7E702CE379EE016E79448798ADCC9ECF57.exe" ENABLE
      2⤵
        PID:3996

    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/3908-115-0x0000000003040000-0x0000000003041000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3996-116-0x0000000000000000-mapping.dmp
      Download