Overview

overview

10

Static

static

10

Lammer.exe

windows10-1703-x64

10

Lammer.exe

windows10-2004-x64

10

Lammer.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Lammer.exe

  • Size

    23KB

  • Sample

    231205-c7j7vshb83

  • MD5

    d0c2d069ebad310d330724ecb8c34383

  • SHA1

    948c7dac951630a93d1d50cdc18a785a66bde4f3

  • SHA256

    33e10bdcff6ab52e473ffeff0c0a853fd8786c3c26b896a05b7091fbcccb9555

  • SHA512

    5ca77dad6ef30a5fc7031819f9d1311ec8f168c94c5678a712c8aeb82bf7101b85824a5f1e7b96ecc2746cf50f56e0c0d6c80a0ab471a67a4744b4015bcb075b

  • SSDEEP

    384:JluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZoT:+OmhtIiRpcnuZ

Score
10/10
njratlammerevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

6.tcp.us-cal-1.ngrok.io:15616

Mutex

277e7c3302a3fa2bce6fdf09291934dd

Attributes
  • reg_key

    277e7c3302a3fa2bce6fdf09291934dd

  • splitter

    |'|'|

Targets

    • Target

      Lammer.exe

    • Size

      23KB

    • MD5

      d0c2d069ebad310d330724ecb8c34383

    • SHA1

      948c7dac951630a93d1d50cdc18a785a66bde4f3

    • SHA256

      33e10bdcff6ab52e473ffeff0c0a853fd8786c3c26b896a05b7091fbcccb9555

    • SHA512

      5ca77dad6ef30a5fc7031819f9d1311ec8f168c94c5678a712c8aeb82bf7101b85824a5f1e7b96ecc2746cf50f56e0c0d6c80a0ab471a67a4744b4015bcb075b

    • SSDEEP

      384:JluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZoT:+OmhtIiRpcnuZ

    Score
    10/10
    njratevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks