Overview

overview

10

Static

static

10

e034e8e293...6b.exe

windows7-x64

10

e034e8e293...6b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2022 11:01

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General

  • Target

    e034e8e29330b4f73cf244cc2e66f26b.exe

  • Size

    37KB

  • MD5

    e034e8e29330b4f73cf244cc2e66f26b

  • SHA1

    e982aa01df4307d1e70a2c6f6c22f3bf597fb19f

  • SHA256

    79a474adc54cca49d5027b531bf4e0bea013de30a1343a25342673347ba50233

  • SHA512

    6ba091c63ec6ee9e1b6f8cf3b09e5587b220888565d5f675a33db21ceae36c0119e92adc37790ecbc071dddf46d2a41629e62f159071edea2cb576c4f1958785

  • SSDEEP

    384:0dJcaCis7/WRdL5kyc/FgP7KngCAlIprAF+rMRTyN/0L+EcoinblneHQM3epzXG9:2JcQD5nc/Fg+FAsrM+rMRa8Nuo3t

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

4.tcp.eu.ngrok.io:17824

Mutex

4ecc2556a0e0459076421d4c517a51cb

Attributes
  • reg_key

    4ecc2556a0e0459076421d4c517a51cb

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 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.

  • 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 19 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e034e8e29330b4f73cf244cc2e66f26b.exe
    "C:\Users\Admin\AppData\Local\Temp\e034e8e29330b4f73cf244cc2e66f26b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe
      "C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe"
      2⤵
      • Executes dropped EXE
      • 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:1176
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe" "Runtime Broker.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1740

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

System Information Discovery

1
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    37KB

    MD5

    e034e8e29330b4f73cf244cc2e66f26b

    SHA1

    e982aa01df4307d1e70a2c6f6c22f3bf597fb19f

    SHA256

    79a474adc54cca49d5027b531bf4e0bea013de30a1343a25342673347ba50233

    SHA512

    6ba091c63ec6ee9e1b6f8cf3b09e5587b220888565d5f675a33db21ceae36c0119e92adc37790ecbc071dddf46d2a41629e62f159071edea2cb576c4f1958785

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

    37KB

    MD5

    e034e8e29330b4f73cf244cc2e66f26b

    SHA1

    e982aa01df4307d1e70a2c6f6c22f3bf597fb19f

    SHA256

    79a474adc54cca49d5027b531bf4e0bea013de30a1343a25342673347ba50233

    SHA512

    6ba091c63ec6ee9e1b6f8cf3b09e5587b220888565d5f675a33db21ceae36c0119e92adc37790ecbc071dddf46d2a41629e62f159071edea2cb576c4f1958785

    Download Submit
  • \Users\Admin\AppData\Local\Temp\Runtime Broker.exe
    Filesize

    37KB

    MD5

    e034e8e29330b4f73cf244cc2e66f26b

    SHA1

    e982aa01df4307d1e70a2c6f6c22f3bf597fb19f

    SHA256

    79a474adc54cca49d5027b531bf4e0bea013de30a1343a25342673347ba50233

    SHA512

    6ba091c63ec6ee9e1b6f8cf3b09e5587b220888565d5f675a33db21ceae36c0119e92adc37790ecbc071dddf46d2a41629e62f159071edea2cb576c4f1958785

    Download Submit
  • memory/532-54-0x0000000075091000-0x0000000075093000-memory.dmp
    Filesize

    8KB

    Download
  • memory/532-55-0x0000000074110000-0x00000000746BB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/532-61-0x0000000074110000-0x00000000746BB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1176-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1176-62-0x0000000074110000-0x00000000746BB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1176-65-0x0000000074110000-0x00000000746BB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1740-63-0x0000000000000000-mapping.dmp
    Download