Overview

overview

10

Static

static

10

70664d8f90...e8.exe

windows7-x64

10

70664d8f90...e8.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 09:40

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General

  • Target

    70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe

  • Size

    29KB

  • MD5

    394898effddbcb4730c06d1564af978d

  • SHA1

    1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d

  • SHA256

    70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

  • SHA512

    866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c

  • SSDEEP

    384:aBgJGJl7tj1Msagab1h5Vh+2CWmqDebD59ePbGBsbh0w4wlAokw9OhgOL1vYRGOG:aZ7nMsanzR+2cqEDveyBKh0p29SgRJO

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

mhacker783.no-ip.org:1177

Mutex

dda179c09ae689633f05cced9ee19fb5

Attributes
  • reg_key

    dda179c09ae689633f05cced9ee19fb5

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe
    "C:\Users\Admin\AppData\Local\Temp\70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Roaming\dwm.exe
      "C:\Users\Admin\AppData\Roaming\dwm.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\dwm.exe" "dwm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

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\Roaming\dwm.exe
    Filesize

    29KB

    MD5

    394898effddbcb4730c06d1564af978d

    SHA1

    1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d

    SHA256

    70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

    SHA512

    866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c

    Download Submit
  • C:\Users\Admin\AppData\Roaming\dwm.exe
    Filesize

    29KB

    MD5

    394898effddbcb4730c06d1564af978d

    SHA1

    1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d

    SHA256

    70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

    SHA512

    866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c

    Download Submit
  • memory/3520-138-0x0000000000000000-mapping.dmp
    Download
  • memory/4328-134-0x0000000000000000-mapping.dmp
    Download
  • memory/4328-139-0x0000000075420000-0x00000000759D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4328-140-0x0000000075420000-0x00000000759D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5048-132-0x0000000075420000-0x00000000759D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5048-133-0x0000000075420000-0x00000000759D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5048-137-0x0000000075420000-0x00000000759D1000-memory.dmp
    Filesize

    5.7MB

    Download