Resubmissions

25-08-2022 12:52

220825-p3672sdcbl 10

25-08-2022 12:47

220825-p1cknadbem 10

General

  • Target

    ProtoSmasherV2.exe

  • Size

    1.8MB

  • Sample

    220825-p3672sdcbl

  • MD5

    5d814d18b0ccfaf75449bbb9fbe8078d

  • SHA1

    666529eb8b106afc28875913f8e7bcdcfdfeb932

  • SHA256

    e7328c6e86adf5c959c8f3e63c06ab453bd0f959060a4f915f5654fc33a11c64

  • SHA512

    2ae2ebac1f04b139aaf7ec30b0c7cf437e35bf06ddfcf97548160d872e051ec4df2100c1755ff32d95763b16532f3fb8e9e737bbf375379eab8a5c9937c40ce6

  • SSDEEP

    49152:Z8e7D4Hh+6fMSitMdcNgCs1xnV+SR0juZ6XTV:n7rsqu3+LjO6V

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

73.182.242.123:2006

Mutex

827283f359ec6b717ef8777833587855

Attributes
  • reg_key

    827283f359ec6b717ef8777833587855

  • splitter

    |'|'|

Targets

    • Target

      ProtoSmasherV2.exe

    • Size

      1.8MB

    • MD5

      5d814d18b0ccfaf75449bbb9fbe8078d

    • SHA1

      666529eb8b106afc28875913f8e7bcdcfdfeb932

    • SHA256

      e7328c6e86adf5c959c8f3e63c06ab453bd0f959060a4f915f5654fc33a11c64

    • SHA512

      2ae2ebac1f04b139aaf7ec30b0c7cf437e35bf06ddfcf97548160d872e051ec4df2100c1755ff32d95763b16532f3fb8e9e737bbf375379eab8a5c9937c40ce6

    • SSDEEP

      49152:Z8e7D4Hh+6fMSitMdcNgCs1xnV+SR0juZ6XTV:n7rsqu3+LjO6V

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Tasks