MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
SHA3-384 hash: c655d6bffbe85ae3fe926f79f3fa85a14799b9c79e3b2c834d3520965bceddc5a9c12b9a6c530f5ac69c737cffcd3d1f
SHA1 hash: 032f35b2bc8d176237efc9773204ee2d1abd326e
MD5 hash: 9821277a5dd9b9ec807c0e9d0afb502d
humanhash: uranus-river-cat-neptune
File name:cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
Download: download sample
Signature njrat
Create hunting rule
File size:72'704 bytes
First seen:2021-02-28 07:02:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:O4GZyO4dCPBihbQnrU33fsWUuzShGuzPQShwdBqa6Qm9zYHfo0F4q2aZDvDc5Us7:ReyO4dd+43PsWvuhGGYzBRfm9zM3uq2z
Threatray 163 similar samples on MalwareBazaar
TLSH 6F63018E57FED337C665C3B66156239209B08130FB838B4F98D5426C0D0B7AD6A17AB2
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:06:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e97bc050-0e7f-41ca-9e3c-d91397a24f13

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/119717/
Detection(s):
SecuriteInfo.com.Variant.Adware.BrowseFox.62.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Sending a UDP request
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process with a hidden window
Creating a window
Connection attempt
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621350
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-02-26 02:40:00 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=znjgcwnddbtjjn2gqvvlkpvcryxyi6qwep24v6gp44ycdpa2sgla._file
Verdict:
malicious
Similar samples:
2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f
njrat
51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846
njrat
63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65
njrat
67096ab5a3f5d606442af60f846eb836bef1ab1a16df2df3d988d6c7b1253ca9
njrat
674e6af13bc6b40d023c0d9306b7ba538f8dc7110da48067174858b605851aa1
njrat
b3a40e1d85f1e1608acf07414a8dea2730c0de0d824bc6165856b8fe00e8ed3d
njrat
c340e420c9515a2a728a76087044548f20830daa8e663f2cee31415802cdb539
njrat
c983380d8bde53391f56e58aed8d7fe8c96b81091047c1d6ef2fe5377ffabd1d
njrat
dc7f689cc6adbf5d8e36008390ed2a79d59d0d3411f9e353ddacf236e695a615
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 153 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210228-y4ktd5nmlj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
a97bb9bc6631844fb14c0372b8cd59a6976a4e0beb4bf5df64e937242bc1990f
MD5 hash:
6c28d39fe0a51db10ce16dfb88721796
SHA1 hash:
555187f9688a7e0d4d9f4aa5cb4b7949c582b235
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/4d78e948-64f9-4727-85dc-f708ae99f932/
Parent samples :
c6e4f596d4ecd9936c85474baa193878bdafea0a95cafbd7387fa309b773aa00
cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
SH256 hash:
cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196
MD5 hash:
9821277a5dd9b9ec807c0e9d0afb502d
SHA1 hash:
032f35b2bc8d176237efc9773204ee2d1abd326e
Link:
https://www.unpac.me/results/4d78e948-64f9-4727-85dc-f708ae99f932/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/cb526159a3186694b746856ab53ea28e2f847a1623f5caf8cfe73021bc1a9196

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/119717/

Comments