Overview

overview

10

Static

static

10

ce5b81898e...a5.exe

windows7-x64

10

ce5b81898e...a5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 01:17

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General

  • Target

    ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5.exe

  • Size

    24KB

  • MD5

    6d647691513dbf2105dc4801102fcd20

  • SHA1

    2779154a18d57e890b9f4c2f2fdf4fe348738ae4

  • SHA256

    ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5

  • SHA512

    2ce545b87a5c1133e609303e8d525a182096b0348a5ac393845297088ee2d2a5c6f9e5d609abcbd1533979c50bc69552087cf1263632ee48c35d02e0a1f577b4

  • SSDEEP

    384:e+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZkQ:Rm+71d5XRpcnuC

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

anis76.no-ip.biz:5552

Mutex

e70c955ed65f219869acad6925dd571c

Attributes
  • reg_key

    e70c955ed65f219869acad6925dd571c

  • 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 31 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5.exe
    "C:\Users\Admin\AppData\Local\Temp\ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\Explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3640

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\Explorer.exe
    Filesize

    24KB

    MD5

    6d647691513dbf2105dc4801102fcd20

    SHA1

    2779154a18d57e890b9f4c2f2fdf4fe348738ae4

    SHA256

    ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5

    SHA512

    2ce545b87a5c1133e609303e8d525a182096b0348a5ac393845297088ee2d2a5c6f9e5d609abcbd1533979c50bc69552087cf1263632ee48c35d02e0a1f577b4

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

    24KB

    MD5

    6d647691513dbf2105dc4801102fcd20

    SHA1

    2779154a18d57e890b9f4c2f2fdf4fe348738ae4

    SHA256

    ce5b81898e32170cee439915169e63a25e437fcc2adfdc38d6e89d0d38fbd0a5

    SHA512

    2ce545b87a5c1133e609303e8d525a182096b0348a5ac393845297088ee2d2a5c6f9e5d609abcbd1533979c50bc69552087cf1263632ee48c35d02e0a1f577b4

    Download Submit
  • memory/1092-133-0x0000000000000000-mapping.dmp
    Download
  • memory/1092-137-0x0000000074BA0000-0x0000000075151000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1092-139-0x0000000074BA0000-0x0000000075151000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2208-132-0x0000000074BA0000-0x0000000075151000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2208-136-0x0000000074BA0000-0x0000000075151000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3640-138-0x0000000000000000-mapping.dmp
    Download