Overview

overview

10

Static

static

10

123acf7454...63.exe

windows7-x64

10

123acf7454...63.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2023 15:45

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General

  • Target

    123acf74540b652a549c5d664b627663.exe

  • Size

    93KB

  • MD5

    123acf74540b652a549c5d664b627663

  • SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

  • SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

  • SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

  • SSDEEP

    768:rY30UBnkpjTMpALPGMtsas88EtNXhe9Y1mxCXxrjEtCdnl2pi1Rz4Rk3asGdpxgM:lURkVbPGHz88EbB1pjEwzGi1dDWDxgS

Score
10/10
njrathackedevasiontrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

YXJ0LW5vdmVsdHkuYXQucGx5Lmdn:MjU1NjU=

Mutex

8a45c8c850efba42d799d8b1b94ad051

Attributes
  • reg_key

    8a45c8c850efba42d799d8b1b94ad051

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\123acf74540b652a549c5d664b627663.exe
    "C:\Users\Admin\AppData\Local\Temp\123acf74540b652a549c5d664b627663.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    5B

    MD5

    2099bb64fd1770d321df364f99b658d1

    SHA1

    3124edeaa14c060becfa8b980ed77db15d56a9e3

    SHA256

    d53ce6bdbd0c3cb4596ac3103f15824570a9858da95f63cedf64cec11dc44e2d

    SHA512

    3481f2a02f7b1255ad0f3cd8a716de9c7414753b6f8657f0bf99738ff6623f8717469bc10e737d6c0d1d13846e726d50baeb5e8ef73efcfce7be5c63327c4895

    Download Submit
  • C:\Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    123acf74540b652a549c5d664b627663

    SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

    SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

    SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

    Download Submit
  • C:\Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    123acf74540b652a549c5d664b627663

    SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

    SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

    SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

    Download Submit
  • C:\Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    123acf74540b652a549c5d664b627663

    SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

    SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

    SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

    Download Submit
  • \Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    123acf74540b652a549c5d664b627663

    SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

    SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

    SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

    Download Submit
  • \Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    123acf74540b652a549c5d664b627663

    SHA1

    57a8230ac3fa6fe42a563c3355aa0512f4939098

    SHA256

    a7a1f3e3bfc8abc1006276f3cb3bdaa1ff697b9fde421d6d2a181165db11377e

    SHA512

    95a94265a64087fe37e22d47a8f11499a036f9f8d949d83f86ac1af02267c83765c5bdc1ab53cb4ee9ed7db41bda854b2ee9931611a82e911e0b5317a44d1c19

    Download Submit
  • memory/1728-55-0x0000000000500000-0x0000000000540000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2032-68-0x0000000001FC0000-0x0000000002000000-memory.dmp
    Filesize

    256KB

    Download
  • memory/2032-69-0x0000000001FC0000-0x0000000002000000-memory.dmp
    Filesize

    256KB

    Download