Overview

overview

10

Static

static

Server.exe

windows7_x64

10

Analysis

  • max time kernel
    200s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-06-2022 15:29

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Server.exe

  • Size

    25KB

  • MD5

    4a2e54e74503ddc6005c8f72e025943e

  • SHA1

    aaf965085024318dce3b9ffd6d96b3326d41b1e9

  • SHA256

    94fac7a812c6faf41727786c4e31c0375574fcaed192673cf058c5a7bf8194a0

  • SHA512

    cb4fd3640e2f61f963309b0c773264cb60cd880d4a5005820c6317cbcf1e5ac6a99fb5beb14558bba8c401d24666fe6c0a2ea6751a1c7726a4934bde42e31701

Score
10/10
njratgaytrojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

gay

C2

4.tcp.eu.ngrok.io:17260

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Roaming\Dllhost.exe
      "C:\Users\Admin\AppData\Roaming\Dllhost.exe"
      2⤵
      • Executes dropped EXE
      PID:852
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Dllhost.exe
    Filesize

    25KB

    MD5

    4a2e54e74503ddc6005c8f72e025943e

    SHA1

    aaf965085024318dce3b9ffd6d96b3326d41b1e9

    SHA256

    94fac7a812c6faf41727786c4e31c0375574fcaed192673cf058c5a7bf8194a0

    SHA512

    cb4fd3640e2f61f963309b0c773264cb60cd880d4a5005820c6317cbcf1e5ac6a99fb5beb14558bba8c401d24666fe6c0a2ea6751a1c7726a4934bde42e31701

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

    25KB

    MD5

    4a2e54e74503ddc6005c8f72e025943e

    SHA1

    aaf965085024318dce3b9ffd6d96b3326d41b1e9

    SHA256

    94fac7a812c6faf41727786c4e31c0375574fcaed192673cf058c5a7bf8194a0

    SHA512

    cb4fd3640e2f61f963309b0c773264cb60cd880d4a5005820c6317cbcf1e5ac6a99fb5beb14558bba8c401d24666fe6c0a2ea6751a1c7726a4934bde42e31701

    Download Submit
  • memory/316-62-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/316-63-0x0000000140000000-0x00000001405E8000-memory.dmp
    Filesize

    5.9MB

    Download
  • memory/852-57-0x0000000000000000-mapping.dmp
    Download
  • memory/852-60-0x0000000000290000-0x0000000000298000-memory.dmp
    Filesize

    32KB

    Download
  • memory/964-54-0x0000000000FB0000-0x0000000000FB8000-memory.dmp
    Filesize

    32KB

    Download
  • memory/964-55-0x00000000001C0000-0x00000000001D2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/964-56-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp
    Filesize

    8KB

    Download