Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-04-2024 15:41

General

  • Target

    D0560B1FF5BA43A589CD96B269FAB094.exe

  • Size

    107KB

  • MD5

    d0560b1ff5ba43a589cd96b269fab094

  • SHA1

    bb0dda16de1c2be8ce1e2867c3868e7fad8eb07e

  • SHA256

    d6ddb50a5c9f484e89fc63cd7bdab796b63c91ba6034271df5c17aa1919bccb5

  • SHA512

    e5a5135391b2fc3c987f856f53884c53b7f5d1d46178450184d6d7af9a78716105e33c005d91e75a0495aa9b908c52a0efbdb96ac22f082ac5da33c8790954b4

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBK:w5eznsjsguGDFqGx8egoxmOQ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\D0560B1FF5BA43A589CD96B269FAB094.exe
    "C:\Users\Admin\AppData\Local\Temp\D0560B1FF5BA43A589CD96B269FAB094.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3920
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1508

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    Filesize

    107KB

    MD5

    4e38d91bc94c10774afeba150d4abc45

    SHA1

    87ec7b7ea61f5cd852bae1ee77b8f5a9d057c6cf

    SHA256

    92e098c1c4dfc2290f6fd8b6e77f1852613d1125eed8d2dfb7c93f4ae11cb53f

    SHA512

    087c3d9ffc3420d0fc8d83949c30747bd60ced49216aeddf21e1a615935bf6651c8fbe9e81478b2d90a10b2232d2dd0aa3e970798aef3e8fc5fbbf1e0ea983f2

  • memory/1556-18-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/1556-24-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/1556-19-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/2664-17-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/2664-0-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/2664-2-0x0000000000C40000-0x0000000000C50000-memory.dmp
    Filesize

    64KB

  • memory/2664-1-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/3920-20-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/3920-25-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/3920-26-0x00000000016B0000-0x00000000016C0000-memory.dmp
    Filesize

    64KB

  • memory/3920-27-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/3920-28-0x00000000016B0000-0x00000000016C0000-memory.dmp
    Filesize

    64KB

  • memory/3920-29-0x0000000074850000-0x0000000074E01000-memory.dmp
    Filesize

    5.7MB

  • memory/3920-30-0x00000000016B0000-0x00000000016C0000-memory.dmp
    Filesize

    64KB

  • memory/3920-31-0x00000000016B0000-0x00000000016C0000-memory.dmp
    Filesize

    64KB