Overview

overview

10

Static

static

10

ff8f477d7f...cc.exe

windows7-x64

10

ff8f477d7f...cc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 11:41

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General

  • Target

    ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc.exe

  • Size

    29KB

  • MD5

    536d55f94c3a53510b6f088ac62c0980

  • SHA1

    32ef91c30f8cde0426781761c0b4d86768e82ae4

  • SHA256

    ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc

  • SHA512

    22f892cc91a83cc5a3c80830eb50d7baff7ac053f4ec491de7e0871d89457c4a53b7804a76cb7850133b10ed9e4f2772dbf199e22fb982d25dfcad20c2b28cee

  • SSDEEP

    768:yj77ucYfKQTtzjAqc3eUBKh0p29SgRMy6:y7hWVUJZKhG29j96

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

setokaiba.no-ip.biz:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes
  • reg_key

    08f4dc96bbb7af09d1a37fe35c75a42f

  • 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 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc.exe
    "C:\Users\Admin\AppData\Local\Temp\ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.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:4916
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4892

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:\Users\Admin\AppData\Local\Temp\explorer.exe
    Filesize

    29KB

    MD5

    536d55f94c3a53510b6f088ac62c0980

    SHA1

    32ef91c30f8cde0426781761c0b4d86768e82ae4

    SHA256

    ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc

    SHA512

    22f892cc91a83cc5a3c80830eb50d7baff7ac053f4ec491de7e0871d89457c4a53b7804a76cb7850133b10ed9e4f2772dbf199e22fb982d25dfcad20c2b28cee

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\explorer.exe
    Filesize

    29KB

    MD5

    536d55f94c3a53510b6f088ac62c0980

    SHA1

    32ef91c30f8cde0426781761c0b4d86768e82ae4

    SHA256

    ff8f477d7ff5e9ae54c5ba80be1f1884773e7da8dccb737508adba85413326cc

    SHA512

    22f892cc91a83cc5a3c80830eb50d7baff7ac053f4ec491de7e0871d89457c4a53b7804a76cb7850133b10ed9e4f2772dbf199e22fb982d25dfcad20c2b28cee

    Download Submit
  • memory/1132-132-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1132-136-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4892-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4916-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4916-138-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4916-139-0x0000000075580000-0x0000000075B31000-memory.dmp
    Filesize

    5.7MB

    Download