MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3
SHA3-384 hash: 58bbf91caa4c7dca20f49c0768ca887b52cc9c2bb28a65290cf3fc7d4ccba9aeff1cfd26bb1dcb79d9b0efef7c8f65ec
SHA1 hash: b452d09aef10ff3a93737878924ef9f34d9b240a
MD5 hash: e0228152014c395f65f5049438a33798
humanhash: batman-grey-pip-eighteen
File name:g0nK3LPu.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-12-30 01:47:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:nZy2mdcqNklioy+ph5l3XZQmg+wMNzKkldNzh9D9O5UE5QzwBlpJNakkjh/TzF79:ZyCq6Al+pbJXhzKsMvQO+DZL+L
Threatray 40 similar samples on MalwareBazaar
TLSH BD13E78CB794A174D5FF8BF1B4D2B2890B71A017A806930F99F154DD4BB3AC09A11EE7
Reporter pmelson
Tags:exe NjRAT Njratgold

Intelligence

File Origin
# of uploads :
1
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
g0nK3LPu.exe
Verdict:
Malicious activity
Analysis date:
2020-12-30 01:48:18 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/14443a44-6ed3-40e1-ac63-93b12742e2c5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/109897/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Msilperseus-9220094-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/571792
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-12-30 01:48:04 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbe7pkuab3h66n3p2wej25zatcirfxgtmuqj56hbx4lex4yshxrq._file
Verdict:
malicious
Similar samples:
04a4d40515b77903bb9472b01aaf951f059236999665e847a660ed99d929b78b
njrat
1b8b57fdccb30974af01938df1c16ade299d684fdf12278d7e1c4c036605a0c1
njrat
2bad5a5e965befb0e1839cc8698b3b8a5d3ec177e80abf7b8281ae66461ded5f
njrat
3485a54aaddd3a9993a458638d67aca67ef59723547f0519c1e7b2d7555e0670
njrat
5a4b392f1d7739a6eb89c2d927e26079351b6270cead2dfcb597b2d9deb26557
njrat
9ae3d2baf3c382b46b56e3e50547bd83bd1d6cc85f82aadaf2281a1b404e5fa0
njrat
ab70b9ea05c74109550a361fe87229667204e610d5717aa00e7edbf2fdcef510
njrat
b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a
njrat
c2a645b457a4ba814aa0c116f2a501176531ce29d32a695c45c5022d6aabb271
njrat
eb086d6c54841616485b2ad99ed2e2e2ebc21f01e6c5a58611ac914f70b5042f
njrat
+ 30 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201230-4v7jh8ad7e/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3
MD5 hash:
e0228152014c395f65f5049438a33798
SHA1 hash:
b452d09aef10ff3a93737878924ef9f34d9b240a
Link:
https://www.unpac.me/results/3ba7d44a-3a8b-4bbe-a6e4-4b96f49280e0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

njrat

Executable exe a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3

(this sample)

  
Link
https://www.virustotal.com/gui/file/a849f7aa800ecfef376fd5889d7720989112dcd365209ef8e1bf164bf3123de3/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/109897/

Comments