Overview

overview

10

Static

static

3

Coupon PCS.exe

windows7-x64

3

Coupon PCS.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Coupon PCS.exe

  • Size

    109KB

  • Sample

    230609-v9ghvsdf61

  • MD5

    5d9009a66ca97bb1900075783b99061a

  • SHA1

    f26b375c9f9eec08f89f70c49a4619e2ff2b3d60

  • SHA256

    4f8fa6048e339e5d85e3c96e7a6c30957c0e897864e05ca9569788f9df23cf5e

  • SHA512

    91cda021224010eb226d1bf9a60e87debf17313ba433b381c56172572fbbb2eca66929803b1213f7e0c3769308adf8ccf0db3fcc58fe5b05b3e7add76eb02690

  • SSDEEP

    1536:s7f9h0UPJP/CpICdikMLMLv5PFNg1qrX+VIOlnToIfOgIxfH8SusWHHVN3ZSss:iliUPXC8k1nJrX+fNTBfeB5WHHYl

Score
10/10
njratgrib35evasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

GRIB35

C2

89.3.24.168:50033

gribouillefr.ddns.net:50033
Mutex

83c9a1eba2df735380c1cc2af0582208

Attributes
  • reg_key

    83c9a1eba2df735380c1cc2af0582208

  • splitter

    |'|'|

Targets

    • Target

      Coupon PCS.exe

    • Size

      109KB

    • MD5

      5d9009a66ca97bb1900075783b99061a

    • SHA1

      f26b375c9f9eec08f89f70c49a4619e2ff2b3d60

    • SHA256

      4f8fa6048e339e5d85e3c96e7a6c30957c0e897864e05ca9569788f9df23cf5e

    • SHA512

      91cda021224010eb226d1bf9a60e87debf17313ba433b381c56172572fbbb2eca66929803b1213f7e0c3769308adf8ccf0db3fcc58fe5b05b3e7add76eb02690

    • SSDEEP

      1536:s7f9h0UPJP/CpICdikMLMLv5PFNg1qrX+VIOlnToIfOgIxfH8SusWHHVN3ZSss:iliUPXC8k1nJrX+fNTBfeB5WHHYl

    Score
    10/10
    njratgrib35evasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

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

Tasks