MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc8ddcd4db035fa647001a01cab6a2866d092fcaad18279835751ee0396da041. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



njrat


Vendor detections: 9


Intelligence 9 IOCs 5 YARA 4 File information Comments 1

SHA256 hash: dc8ddcd4db035fa647001a01cab6a2866d092fcaad18279835751ee0396da041
SHA3-384 hash: 197d1c83ed944a7c71a47e2c83ac626b9f0a0fed9b85d5bb9b316e31faca3523415d0fc22325a9b76ade0f748c344067
SHA1 hash: 1857872156c4fdfaebd693b06d32e925475e8e83
MD5 hash: c2cfb529fdb6462adc50181e1340f1e7
humanhash: leopard-alpha-minnesota-asparagus
File name:DC8DDCD4DB035FA647001A01CAB6A2866D092FCAAD182.exe
Download: download sample
Signature njrat
File size:2'004'491 bytes
First seen:2021-04-26 16:31:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 49152:hbBt0E3/2mdgXMplPTFpJk+on5U9gsJk6HLgq:Xt0E3/TpZTvJk+onK9gsJtH8q
Threatray 517 similar samples on MalwareBazaar
TLSH CA951253B0C645F0D4394831921F50D29A7FBA360A64CD9FB3CD797986B82E1603AE7B
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.138.180.119:16809

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.138.180.119:16809 https://threatfox.abuse.ch/ioc/10213/
3.133.207.110:16809 https://threatfox.abuse.ch/ioc/10214/
3.136.65.236:16809 https://threatfox.abuse.ch/ioc/10215/
3.129.187.220:16809 https://threatfox.abuse.ch/ioc/10216/
3.22.15.135:16809 https://threatfox.abuse.ch/ioc/10217/

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DC8DDCD4DB035FA647001A01CAB6A2866D092FCAAD182.exe
Verdict:
Malicious activity
Analysis date:
2021-04-26 16:32:22 UTC
Tags:
trojan rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process from a recently created file
Launching a process
Creating a file
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Detected njRat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Rasftuby
Status:
Malicious
First seen:
2021-03-21 02:24:52 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
dc8ddcd4db035fa647001a01cab6a2866d092fcaad18279835751ee0396da041
MD5 hash:
c2cfb529fdb6462adc50181e1340f1e7
SHA1 hash:
1857872156c4fdfaebd693b06d32e925475e8e83
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_smominru_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-26 17:02:31 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
2) [C0029.002] Cryptography Micro-objective::SHA1::Cryptographic Hash
3) [C0029.003] Cryptography Micro-objective::SHA256::Cryptographic Hash
4) [C0031.001] Cryptography Micro-objective::AES::Decrypt Data
5) [C0032.001] Data Micro-objective::CRC32::Checksum
6) [C0026.002] Data Micro-objective::XOR::Encode Data
7) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
8) [F0004.007] Defense Evasion::Bypass Windows File Protection
10) [C0046] File System Micro-objective::Create Directory
11) [C0048] File System Micro-objective::Delete Directory
12) [C0047] File System Micro-objective::Delete File
13) [C0049] File System Micro-objective::Get File Attributes
14) [C0051] File System Micro-objective::Read File
15) [C0050] File System Micro-objective::Set File Attributes
16) [C0052] File System Micro-objective::Writes File
17) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
18) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
19) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
20) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
21) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
22) [C0040] Process Micro-objective::Allocate Thread Local Storage
23) [C0017] Process Micro-objective::Create Process
24) [C0038] Process Micro-objective::Create Thread
25) [C0041] Process Micro-objective::Set Thread Local Storage Value
26) [C0018] Process Micro-objective::Terminate Process