njrat | 0d6e873aa8faee0a896e6ac7679a216585933bc29bdd2c1bc006ce56a6e86818

Analysis

max time kernel
95s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 01:13

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General

Target

RAT/Adwind.jar
Size

5KB
MD5

fe537a3346590c04d81d357e3c4be6e8
SHA1

b1285f1d8618292e17e490857d1bdf0a79104837
SHA256

bbc572cced7c94d63a7208f4aba4ed20d1350bef153b099035a86c95c8d96d4a
SHA512

50a5c1ad99ee9f3a540cb30e87ebfdf7561f0a0ee35b3d06c394fa2bad06ca6088a04848ddcb25f449b3c98b89a91d1ba5859f1ed6737119b606968be250c8ce
SSDEEP

96:w9fXh7CBF8l1cHRDOjY4YbiPkW7UW1g+dWi9sBSy3HQNm6wx2xC7vz5:GXh78hHRDOU4YWPk2J14i9E3ymBxW+

Score

10^/10

njrat remcos discovery rat trojan

Malware Config

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1904 icacls.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4220 wrote to memory of 1904 4220 java.exe icacls.exe
PID 4220 wrote to memory of 1904 4220 java.exe icacls.exe

pid	process
1904	icacls.exe

description	pid	process	target process
PID 4220 wrote to memory of 1904	4220	java.exe	icacls.exe
PID 4220 wrote to memory of 1904	4220	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\RAT\Adwind.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:1904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
0a8b19861e3599d86a89da27e7fe5725

SHA1
e6d85c42340d0c43348945921c28625ead6548bd

SHA256
f8f3b59607a5b30cca1029e98e3edef96004a0572f1f2e2ff1151a64dfb9d93a

SHA512
e9dd684374a413cfce24e70d02447af1575d91d3ac2a8ac428cbf90d24ab1bd265b3d7ca9532f88ed895e48516df1131bf524d907acea0a0845de043bea3ab98

Download Submit
memory/4220-27-0x0000020F3E6F0000-0x0000020F3E700000-memory.dmp

Filesize
64KB

Download
memory/4220-16-0x0000020F3E450000-0x0000020F3E451000-memory.dmp

Filesize
4KB

Download
memory/4220-17-0x0000020F3E470000-0x0000020F3F470000-memory.dmp

Filesize
16.0MB

Download
memory/4220-22-0x0000020F3E470000-0x0000020F3F470000-memory.dmp

Filesize
16.0MB

Download
memory/4220-26-0x0000020F3E450000-0x0000020F3E451000-memory.dmp

Filesize
4KB

Download
memory/4220-4-0x0000020F3E470000-0x0000020F3F470000-memory.dmp

Filesize
16.0MB

Download
memory/4220-28-0x0000020F3E700000-0x0000020F3E710000-memory.dmp

Filesize
64KB

Download
memory/4220-29-0x0000020F3E730000-0x0000020F3E740000-memory.dmp

Filesize
64KB

Download
memory/4220-30-0x0000020F3E720000-0x0000020F3E730000-memory.dmp

Filesize
64KB

Download
memory/4220-31-0x0000020F3E750000-0x0000020F3E760000-memory.dmp

Filesize
64KB

Download
memory/4220-32-0x0000020F3E760000-0x0000020F3E770000-memory.dmp

Filesize
64KB

Download
memory/4220-33-0x0000020F3E470000-0x0000020F3F470000-memory.dmp

Filesize
16.0MB

Download
memory/4220-34-0x0000020F3E470000-0x0000020F3F470000-memory.dmp

Filesize
16.0MB

Download