Overview

overview

10

Static

static

b251f070fc...7c.exe

windows7_x64

10

b251f070fc...7c.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 21:25

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General

  • Target

    b251f070fcb0f3860976575737f90608919b194d7063a85981eee96cc85d7e7c.exe

  • Size

    3.3MB

  • MD5

    4b5522eebcad10beac06216513281c63

  • SHA1

    ec0fa68acfb0461a283df076b239191a69fed59a

  • SHA256

    b251f070fcb0f3860976575737f90608919b194d7063a85981eee96cc85d7e7c

  • SHA512

    9f233a6dc82c59f8bb0e97a92325de7f3abc11bc4999db8a365b8fab86dc07e69fa67f1ab59fccda13c4b40786e3265e0d41da8b967f4f392a602dc6198fc51a

Score
10/10
njratlimesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Lime

C2

0.tcp.ngrok.io:17495

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    123456

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • suricata: ET MALWARE njRAT/Bladabindi Variant (Lime) CnC Checkin

    suricata: ET MALWARE njRAT/Bladabindi Variant (Lime) CnC Checkin

    suricata
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b251f070fcb0f3860976575737f90608919b194d7063a85981eee96cc85d7e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\b251f070fcb0f3860976575737f90608919b194d7063a85981eee96cc85d7e7c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Users\Admin\AppData\Local\Temp\DomerServerHack_2.0.exe
      "C:\Users\Admin\AppData\Local\Temp\DomerServerHack_2.0.exe"
      2⤵
      • Executes dropped EXE
      PID:4572
    • C:\Users\Admin\AppData\Local\Temp\New Client.exe
      "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4752

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\DomerServerHack_2.0.exe
    Filesize

    3.3MB

    MD5

    f6a0747b7a3be4bf1d4c03f22f07581d

    SHA1

    2990bd60d1db46ebfcd2642d44611067d49c9085

    SHA256

    4010c544fc5fa52d76a7cde04990f4c03ca4206ce9f7e562dd9f36a7b3cff5b4

    SHA512

    524c3587b5852eeff8fec78320ee76e6838bf149049accbd050b7fb5fa874b51fe54fb89c052fb12e6ad8662170dbe67d8a545ac56befa8482f98a675ff5907f

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\DomerServerHack_2.0.exe
    Filesize

    3.3MB

    MD5

    f6a0747b7a3be4bf1d4c03f22f07581d

    SHA1

    2990bd60d1db46ebfcd2642d44611067d49c9085

    SHA256

    4010c544fc5fa52d76a7cde04990f4c03ca4206ce9f7e562dd9f36a7b3cff5b4

    SHA512

    524c3587b5852eeff8fec78320ee76e6838bf149049accbd050b7fb5fa874b51fe54fb89c052fb12e6ad8662170dbe67d8a545ac56befa8482f98a675ff5907f

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

    78KB

    MD5

    0198215c77cb31181a484b8aa1ee2c7f

    SHA1

    a5bbb8d8f740f83774dc3d74410ec0d39b31eea3

    SHA256

    5a5af4428ce31293d9a101415fceee530ea46260d45c437cf8de6b76db933899

    SHA512

    488b7b4ec514f45753781f76265bd1f625ba53cd215c395b22c5ed19edf101ff218d17979cf01f5aba3f9d86aa8c22015076efd86d363d1d751019b8e81f6233

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

    78KB

    MD5

    0198215c77cb31181a484b8aa1ee2c7f

    SHA1

    a5bbb8d8f740f83774dc3d74410ec0d39b31eea3

    SHA256

    5a5af4428ce31293d9a101415fceee530ea46260d45c437cf8de6b76db933899

    SHA512

    488b7b4ec514f45753781f76265bd1f625ba53cd215c395b22c5ed19edf101ff218d17979cf01f5aba3f9d86aa8c22015076efd86d363d1d751019b8e81f6233

    Download Submit
  • memory/4572-130-0x0000000000000000-mapping.dmp
    Download
  • memory/4572-137-0x0000000000E30000-0x000000000117C000-memory.dmp
    Filesize

    3.3MB

    Download
  • memory/4572-138-0x0000000005F10000-0x00000000064B4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4572-139-0x0000000005A00000-0x0000000005A92000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4572-140-0x00000000059F0000-0x00000000059FA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4752-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4752-136-0x0000000074DC0000-0x0000000075371000-memory.dmp
    Filesize

    5.7MB

    Download