Overview

overview

10

Static

static

10

c6ab81fd77...7e.exe

windows7-x64

10

c6ab81fd77...7e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 00:42

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General

  • Target

    c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e.exe

  • Size

    56KB

  • MD5

    639712e89c4a42bc2c755a0eb221b820

  • SHA1

    a14fa807b4a48c39778e7ed756334ec2d814acf4

  • SHA256

    c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e

  • SHA512

    a9c87d2d300f8353e2af02abd380dae376297f297ad659c916f2a56195d6a0527b51a3ee9066783f795d634e2852ed7a92e623e14af685ebe38609b240b63a23

  • SSDEEP

    384:yCINl7rZt4AgSTnd5fGmjmumqD418+eYKGBsbh0w4wlAokw9OhgOL1vYRGOZzUZL:I7v4AgMdgmjAq8XeIBKh0p29SgRGL

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

mohamed-isper.ddns.net:1177

Mutex

c86dde540c78abe630dfe951b22ac3e0

Attributes
  • reg_key

    c86dde540c78abe630dfe951b22ac3e0

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • 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: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e.exe
    "C:\Users\Admin\AppData\Local\Temp\c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\ProgramData\chrome.exe
      "C:\ProgramData\chrome.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\chrome.exe" "chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1768

Network

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

Replay Monitor

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Downloads

  • C:\ProgramData\chrome.exe
    Filesize

    56KB

    MD5

    639712e89c4a42bc2c755a0eb221b820

    SHA1

    a14fa807b4a48c39778e7ed756334ec2d814acf4

    SHA256

    c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e

    SHA512

    a9c87d2d300f8353e2af02abd380dae376297f297ad659c916f2a56195d6a0527b51a3ee9066783f795d634e2852ed7a92e623e14af685ebe38609b240b63a23

    Download Submit
  • C:\ProgramData\chrome.exe
    Filesize

    56KB

    MD5

    639712e89c4a42bc2c755a0eb221b820

    SHA1

    a14fa807b4a48c39778e7ed756334ec2d814acf4

    SHA256

    c6ab81fd77708eae16fef94c2f41305ac3ef844835c1f3ba98febfc8eb4f337e

    SHA512

    a9c87d2d300f8353e2af02abd380dae376297f297ad659c916f2a56195d6a0527b51a3ee9066783f795d634e2852ed7a92e623e14af685ebe38609b240b63a23

    Download Submit
  • memory/1368-135-0x00000000748D0000-0x0000000074E81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1368-138-0x00000000748D0000-0x0000000074E81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1768-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4800-132-0x0000000000000000-mapping.dmp
    Download
  • memory/4800-137-0x00000000748D0000-0x0000000074E81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4800-139-0x00000000748D0000-0x0000000074E81000-memory.dmp
    Filesize

    5.7MB

    Download