MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e
SHA3-384 hash: b9a852d8f9d703d839afc56e5aff1963c0329a987d153d0bd16854f2b462e25b48f0bf58f1ce3a88101a130c5901de25
SHA1 hash: b416424a60995d814a7c7a1e4d92f90dfe338c81
MD5 hash: fe72d7132c74d81c98dbd31543a00529
humanhash: illinois-pluto-failed-speaker
File name:fe72d7132c74d81c98dbd31543a00529
Download: download sample
Signature njrat
Create hunting rule
File size:1'421'312 bytes
First seen:2021-06-25 16:09:20 UTC
Last seen:2021-06-25 18:40:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yZt6QhCWK5JFyVRxWFFxz6oz28hZECIHXGc4YHeqho3yJp8/j6q31J9rWqDBbGFb:yJcJAf0FFA7n3b4Y+qwKn7r
Threatray 26 similar samples on MalwareBazaar
TLSH 206584983611B5DFE417CE72AA645C70EA107CBA570FD203A09726DEA90EA97CF141F3
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fe72d7132c74d81c98dbd31543a00529
Verdict:
Malicious activity
Analysis date:
2021-06-25 16:12:25 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/80e49642-3bac-411f-a843-4f8319e8d889

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/168362/
Detection(s):
SecuriteInfo.com.ArtemisFE72D7132C74.8236.12906.UNOFFICIAL
Create hunting rule

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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d44b5041-37f4-4714-97df-bc590ea9944f
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808230
Signature
.NET source code contains potential unpacker
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 440641 Sample: wOywerw9Le Startdate: 25/06/2021 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 7 other signatures 2->62 9 wOywerw9Le.exe 6 2->9         started        13 update.exe 4 2->13         started        15 update.exe 2->15         started        process3 file4 48 C:\Users\user\AppData\Roaming\LAAbUwaLj.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\Local\...\tmp2869.tmp, XML 9->50 dropped 52 C:\Users\user\AppData\...\wOywerw9Le.exe.log, ASCII 9->52 dropped 64 Detected unpacking (changes PE section rights) 9->64 66 Detected unpacking (overwrites its own PE header) 9->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 9->68 17 wOywerw9Le.exe 2 4 9->17         started        20 schtasks.exe 1 9->20         started        22 wOywerw9Le.exe 9->22         started        70 Injects a PE file into a foreign processes 13->70 24 schtasks.exe 13->24         started        26 update.exe 13->26         started        signatures5 process6 file7 46 C:\Users\user\AppData\Roaming\update.exe, PE32 17->46 dropped 28 update.exe 5 17->28         started        31 attrib.exe 1 17->31         started        33 conhost.exe 20->33         started        35 conhost.exe 24->35         started        process8 signatures9 72 Multi AV Scanner detection for dropped file 28->72 74 Detected unpacking (changes PE section rights) 28->74 76 Detected unpacking (overwrites its own PE header) 28->76 78 3 other signatures 28->78 37 schtasks.exe 28->37         started        39 update.exe 28->39         started        42 conhost.exe 31->42         started        process10 dnsIp11 44 conhost.exe 37->44         started        54 192.168.2.1 unknown unknown 39->54 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-24 12:19:36 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhaksh5prbhcik7a2i4e3fhlujjwvdyvllswqnk65urf6jkdc5xa._file
Verdict:
suspicious
Similar samples:
1b34eb8148662e0e7c52c0e316f01fd396e72a115d143868bc3cdc474b8ae01e
njrat
22d324acbf31c5772d53e0db23ead97333c08ada1b2be009d2aeb9ef38c68411
njrat
416f3b7993ceaa6819402c66c9b2de0a4de163cd9765dd8dffe81cdbab538c48
njrat
418b71760c6de41ed293744610e252c7474decd221371ffa449411dde751be46
njrat
76107541a6cff24554d6809a7c690791b73040657c60a73ab31cbfb8a9bd3ffc
njrat
8c9d614da4ea17f4261a105adbe73992c0df1f5639310f78db244fdf3fe338fe
njrat
a550fdbbfd0b9b50ebff8877004ffa9914d0587c618389332c1c70a7b5b8bf0e
njrat
d9d27f03e2f8bc97451296da9a7ddeac39ede3240306fa198bf898434b58c53c
njrat
e61195d0d4b897536f0cc090d36140099db443b5b913894d13cd76f7abee36b6
njrat
f81e70dd7eb0fa56a4c392c00f3552857a39b53222f0def135bf57c4cc0ef1d2
njrat
+ 16 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210625-zthdfp5jwa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/7207f6c3-4e2e-4842-bf70-10846044e120/
SH256 hash:
1a341f813a1a4042bf14025c1496dd7b147ae21e20130021a88f414e42fa0000
MD5 hash:
fd9902452ae7d06219923e33fcf9c4ad
SHA1 hash:
a9f115e7c48b9509d21b4dffcb296014b9dac6c8
Link:
https://www.unpac.me/results/7207f6c3-4e2e-4842-bf70-10846044e120/
SH256 hash:
ef81393ba62e9727bb4da304333ae3dfbefb5df9c131e17e93d1bc1dacb45b42
MD5 hash:
2ab65ba840a46b21c914c4e7988e6046
SHA1 hash:
aecad9ea414cc67a6c0d4a244eb2f066fee5ece9
Link:
https://www.unpac.me/results/7207f6c3-4e2e-4842-bf70-10846044e120/
SH256 hash:
59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e
MD5 hash:
fe72d7132c74d81c98dbd31543a00529
SHA1 hash:
b416424a60995d814a7c7a1e4d92f90dfe338c81
Link:
https://www.unpac.me/results/7207f6c3-4e2e-4842-bf70-10846044e120/
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/59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e

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:pe_imphash
Create hunting rule
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 59c0a91faf884e242be0d2384d94eba2536a8f155ae568355eed225f2543176e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168362/
  
URLhaus
https://urlhaus.abuse.ch/url/1398046/

Comments