General

  • Target

    902097F4EC380243ED8F72D31297F81C9E99495A66D0B.exe

  • Size

    726KB

  • Sample

    230314-g67nzsdh34

  • MD5

    72c37e7b272b24d47d59d7b269e7a56e

  • SHA1

    b3d9fbc7bd64ead22b08429a6222f172ea288a88

  • SHA256

    902097f4ec380243ed8f72d31297f81c9e99495a66d0bfb550fcdc753b7590c4

  • SHA512

    0c0592b3aaceaf4df444bfaad8c356ac02b894df62c3acd5579a2e94d8dd41b314358c888ecc459139e137688df27d48e4632f92987129fc8dc1f4ac7f3e360e

  • SSDEEP

    12288:PToPWBv/cpGrU3ywnmKUxBxOC+kye9SI4zJEeG5KI2YtWyBAV:PTbBv5rUXmKoaC+fzGemKI2qc

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

Ni50Y3AuZXUubmdyb2suaW8Strik:MTA3MTI=

Mutex

9dd06b690cd90c449e471e22f62d779d

Attributes
  • reg_key

    9dd06b690cd90c449e471e22f62d779d

  • splitter

    |'|'|

Targets

    • Target

      902097F4EC380243ED8F72D31297F81C9E99495A66D0B.exe

    • Size

      726KB

    • MD5

      72c37e7b272b24d47d59d7b269e7a56e

    • SHA1

      b3d9fbc7bd64ead22b08429a6222f172ea288a88

    • SHA256

      902097f4ec380243ed8f72d31297f81c9e99495a66d0bfb550fcdc753b7590c4

    • SHA512

      0c0592b3aaceaf4df444bfaad8c356ac02b894df62c3acd5579a2e94d8dd41b314358c888ecc459139e137688df27d48e4632f92987129fc8dc1f4ac7f3e360e

    • SSDEEP

      12288:PToPWBv/cpGrU3ywnmKUxBxOC+kye9SI4zJEeG5KI2YtWyBAV:PTbBv5rUXmKoaC+fzGemKI2qc

    • Detect Neshta payload

    • Modifies WinLogon for persistence

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks