Overview

overview

10

Static

static

10

91326d936d...2e.exe

windows7_x64

10

91326d936d...2e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 04:23

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General

  • Target

    91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e.exe

  • Size

    43KB

  • MD5

    19fb2ffd8bec4cafe940bbefe051551e

  • SHA1

    24a0ec99cbd83b91f40e9262c10981f7310e5aad

  • SHA256

    91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e

  • SHA512

    67e5778fcc07dc3952fdce5bb72fe1ed74f502375991064fde5d756d4b0c715902335e729068a7dac6d69ebc0ce5ac088044025b208c52a9308ec2be2e984c1c

Score
10/10
njratsystempersistencetrojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

System

C2

192.168.0.180:3131

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 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 29 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e.exe
    "C:\Users\Admin\AppData\Local\Temp\91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Local\Temp\smst.exe
      "C:\Users\Admin\AppData\Local\Temp\smst.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3036

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

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\smst.exe
    Filesize

    43KB

    MD5

    19fb2ffd8bec4cafe940bbefe051551e

    SHA1

    24a0ec99cbd83b91f40e9262c10981f7310e5aad

    SHA256

    91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e

    SHA512

    67e5778fcc07dc3952fdce5bb72fe1ed74f502375991064fde5d756d4b0c715902335e729068a7dac6d69ebc0ce5ac088044025b208c52a9308ec2be2e984c1c

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

    43KB

    MD5

    19fb2ffd8bec4cafe940bbefe051551e

    SHA1

    24a0ec99cbd83b91f40e9262c10981f7310e5aad

    SHA256

    91326d936da4abc53fd4e78c74450236db84949bdda19e14ea7632c47a311f2e

    SHA512

    67e5778fcc07dc3952fdce5bb72fe1ed74f502375991064fde5d756d4b0c715902335e729068a7dac6d69ebc0ce5ac088044025b208c52a9308ec2be2e984c1c

    Download Submit
  • memory/2812-130-0x0000000074960000-0x0000000074F11000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3036-131-0x0000000000000000-mapping.dmp
    Download
  • memory/3036-134-0x0000000074960000-0x0000000074F11000-memory.dmp
    Filesize

    5.7MB

    Download