Overview

overview

10

Static

static

10

652c0a54d2...77.exe

windows7-x64

10

652c0a54d2...77.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 01:10

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General

  • Target

    652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077.exe

  • Size

    130KB

  • MD5

    6cf87883c44fab14135667d29be27a60

  • SHA1

    18b6cb7665ce36c9dc43fc3f7e72879411650d95

  • SHA256

    652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077

  • SHA512

    8e4fb664d5b4c3cde1c38ca21158dba7620e992fddfb1f0f3a769b65112883640511594d505b8ea2db3f92404c7186bf59dd4d1db677ea27cec29f764c7ec4a7

  • SSDEEP

    3072:XYIG0RFac0eq2+e+UfVOI/++XmaAfkYmztzG163:q2f9+0h2XfPmztzG16

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:80

Mutex

f28593ab4d0e2dcddc48d27d99c13439

Attributes
  • reg_key

    f28593ab4d0e2dcddc48d27d99c13439

  • 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 use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077.exe
    "C:\Users\Admin\AppData\Local\Temp\652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:5060

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\Local\Temp\server.exe
    Filesize

    130KB

    MD5

    6cf87883c44fab14135667d29be27a60

    SHA1

    18b6cb7665ce36c9dc43fc3f7e72879411650d95

    SHA256

    652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077

    SHA512

    8e4fb664d5b4c3cde1c38ca21158dba7620e992fddfb1f0f3a769b65112883640511594d505b8ea2db3f92404c7186bf59dd4d1db677ea27cec29f764c7ec4a7

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

    130KB

    MD5

    6cf87883c44fab14135667d29be27a60

    SHA1

    18b6cb7665ce36c9dc43fc3f7e72879411650d95

    SHA256

    652c0a54d276d3b8582844171189c9242ee71e20f8040dcf990724508fa15077

    SHA512

    8e4fb664d5b4c3cde1c38ca21158dba7620e992fddfb1f0f3a769b65112883640511594d505b8ea2db3f92404c7186bf59dd4d1db677ea27cec29f764c7ec4a7

    Download Submit
  • memory/2192-132-0x0000000075310000-0x00000000758C1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2192-136-0x0000000075310000-0x00000000758C1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5032-133-0x0000000000000000-mapping.dmp
    Download
  • memory/5032-137-0x0000000075310000-0x00000000758C1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5032-139-0x0000000075310000-0x00000000758C1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/5060-138-0x0000000000000000-mapping.dmp
    Download