MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2
SHA3-384 hash: a5ce5b7944fdd81b75c39d28b4b1e67d6a285034d88e9344dfcdb099a5dfe0f3631ced1c773e0f0dae4a43ddff610be2
SHA1 hash: 36e6c79c9628422f50b546f8fac71aaff4510ab8
MD5 hash: 885a9de3525d6831314160bbe33d838f
humanhash: pennsylvania-video-green-hydrogen
File name:885a9de3525d6831314160bbe33d838f.exe
Download: download sample
Signature njrat
Create hunting rule
File size:250'880 bytes
First seen:2021-06-28 11:54:52 UTC
Last seen:2021-06-28 12:59:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 3072:bgIoWQ1uk/Kacgie8xxByVOSUW8DkpwQS2lUSSHeZqfif3P7CBsm2wUVjq4HWiF0:T4u2AbvTeUWwISYUSqe8ibC2waj5VF
Threatray 29 similar samples on MalwareBazaar
TLSH BD34D0282DED5198F177AF39ABF036548BAAB6136713D50E298502474F13F41CDD2A3A
Reporter abuse_ch
Tags:exe NjRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
885a9de3525d6831314160bbe33d838f.exe
Verdict:
Malicious activity
Analysis date:
2021-06-28 11:58:55 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/901de916-4991-4703-9ef9-5e2e7001083b

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/168566/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.13306.25266.15584.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4e0c7356-eeb7-42de-b674-b9381066ab6a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808787
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441197 Sample: HmT3NS0FnD.exe Startdate: 28/06/2021 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 10 HmT3NS0FnD.exe 3 2->10         started        14 update.exe 2 2->14         started        process3 file4 43 C:\Users\user\AppData\...\HmT3NS0FnD.exe.log, ASCII 10->43 dropped 65 Uses cmd line tools excessively to alter registry or file data 10->65 67 Injects a PE file into a foreign processes 10->67 16 HmT3NS0FnD.exe 2 4 10->16         started        20 update.exe 1 14->20         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\update.exe, PE32 16->41 dropped 47 Uses cmd line tools excessively to alter registry or file data 16->47 22 update.exe 3 16->22         started        25 attrib.exe 1 16->25         started        signatures8 process9 signatures10 57 Multi AV Scanner detection for dropped file 22->57 59 Machine Learning detection for dropped file 22->59 61 Uses cmd line tools excessively to alter registry or file data 22->61 63 Injects a PE file into a foreign processes 22->63 27 update.exe 4 4 22->27         started        31 conhost.exe 25->31         started        process11 dnsIp12 45 sandshoe.myfirewall.org 45.133.1.67, 49766, 5252 DEDIPATH-LLCUS Netherlands 27->45 69 Uses cmd line tools excessively to alter registry or file data 27->69 71 Creates multiple autostart registry keys 27->71 33 attrib.exe 27->33         started        35 attrib.exe 27->35         started        signatures13 process14 process15 37 conhost.exe 33->37         started        39 conhost.exe 35->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-28 09:19:14 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmpawgzsbkubwqopcqrjoe2rqpyavvuvkf7rfu7xcx6vr2vgvhba._file
Verdict:
suspicious
Similar samples:
10f9863a0c087a93b465eb4c17e5a006add72acf87747603d2caff4b011f7bd7
njrat
1b34eb8148662e0e7c52c0e316f01fd396e72a115d143868bc3cdc474b8ae01e
njrat
2b4fcba2cacdd48089b43c746a24cda262ee87db830bd9aaf9ee82f5cb900de5
njrat
416f3b7993ceaa6819402c66c9b2de0a4de163cd9765dd8dffe81cdbab538c48
njrat
59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e
njrat
6e51e43998abedba64180c3c2b4c6c36028ad00706ad37e3baca1562bc966909
njrat
8c9d614da4ea17f4261a105adbe73992c0df1f5639310f78db244fdf3fe338fe
njrat
a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
njrat
d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c
njrat
df047189f75d998dc499072881c762fd001360f5cf184b801cb8c232b5c567f6
njrat
+ 19 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210628-5mahja1v6j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
41f4c3844d4a4fd90f7ac13c5985751be3da3d5dcbbd1efd494c343dccc96877
MD5 hash:
b16dfbc19274984c2bf0f8943f9e432b
SHA1 hash:
c423bfd6a0116f7be66d56d1e811ab8784a13da4
Link:
https://www.unpac.me/results/e1c7bafb-4110-44b3-95e1-e948d87a4c59/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/e1c7bafb-4110-44b3-95e1-e948d87a4c59/
SH256 hash:
4caf3b1b12727ee4a5d995400d0e9b9cf80c7eb86099d6dd56c949183b0997ea
MD5 hash:
d027954fd696ab6371cb2d736e279199
SHA1 hash:
64ebf9e7709cdf3ead6174ebee881827a4bd751c
Link:
https://www.unpac.me/results/e1c7bafb-4110-44b3-95e1-e948d87a4c59/
SH256 hash:
2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2
MD5 hash:
885a9de3525d6831314160bbe33d838f
SHA1 hash:
36e6c79c9628422f50b546f8fac71aaff4510ab8
Link:
https://www.unpac.me/results/e1c7bafb-4110-44b3-95e1-e948d87a4c59/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

njrat

Executable exe 2b1e0b1b320aa81b41cf142297135183f00ad695517f12d3f715fd58eaa6a9c2

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/168566/
  
URLhaus
https://urlhaus.abuse.ch/url/1398046/
  
Delivery method
Distributed via web download

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