Overview

overview

10

Static

static

10

1736d15a6e...b4.exe

windows7_x64

10

1736d15a6e...b4.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    153s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 08:11

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General

  • Target

    1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4.exe

  • Size

    43KB

  • MD5

    8b3d6e19280126af96d8336cb9fb6b4c

  • SHA1

    716dd142709b2c3aa00bc341020208bd436a491e

  • SHA256

    1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4

  • SHA512

    0d255321568b25b2dc7c80cbb4a9c37027ad099d8790a17e9df18ec87d0d193de77e9029c8bed81c45b1fe7fbd6d26ebcabe77729fb1968c588af8cfd2b01057

Score
10/10
njratsystempersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

system

C2

panzehir42.duckdns.org:1604

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 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 33 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4.exe
    "C:\Users\Admin\AppData\Local\Temp\1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1264

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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\explorer.exe
    MD5

    8b3d6e19280126af96d8336cb9fb6b4c

    SHA1

    716dd142709b2c3aa00bc341020208bd436a491e

    SHA256

    1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4

    SHA512

    0d255321568b25b2dc7c80cbb4a9c37027ad099d8790a17e9df18ec87d0d193de77e9029c8bed81c45b1fe7fbd6d26ebcabe77729fb1968c588af8cfd2b01057

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\explorer.exe
    MD5

    8b3d6e19280126af96d8336cb9fb6b4c

    SHA1

    716dd142709b2c3aa00bc341020208bd436a491e

    SHA256

    1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4

    SHA512

    0d255321568b25b2dc7c80cbb4a9c37027ad099d8790a17e9df18ec87d0d193de77e9029c8bed81c45b1fe7fbd6d26ebcabe77729fb1968c588af8cfd2b01057

    Download Submit
  • \Users\Admin\AppData\Local\Temp\explorer.exe
    MD5

    8b3d6e19280126af96d8336cb9fb6b4c

    SHA1

    716dd142709b2c3aa00bc341020208bd436a491e

    SHA256

    1736d15a6e231dc07adf20120e4993da0e7c5249320f15a3990895b019847bb4

    SHA512

    0d255321568b25b2dc7c80cbb4a9c37027ad099d8790a17e9df18ec87d0d193de77e9029c8bed81c45b1fe7fbd6d26ebcabe77729fb1968c588af8cfd2b01057

    Download Submit
  • memory/1264-61-0x0000000000540000-0x0000000000541000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1676-55-0x0000000076141000-0x0000000076143000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1676-56-0x0000000000600000-0x0000000000601000-memory.dmp
    Filesize

    4KB

    Download