MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3434441f773ee5123b242705f95ce6cd367bdc5a19a751884d7b664346252225. 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: 13


Intelligence 13 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3434441f773ee5123b242705f95ce6cd367bdc5a19a751884d7b664346252225
SHA3-384 hash: 45183a13d34909945f385f0159eae27cab4a989d3fba136629dbfc5344fda7ed9e867d3b886f0ffac4b062fa5f7afe4b
SHA1 hash: a94b4b3c1c31b57fa16b94221c045f7321214393
MD5 hash: 36369afa80e77990acaecd4a995112a3
humanhash: uncle-princess-paris-lemon
File name:36369afa80e77990acaecd4a995112a3.exe
Download: download sample
Signature njrat
Create hunting rule
File size:538'624 bytes
First seen:2022-05-16 16:56:57 UTC
Last seen:2022-05-16 17:37:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lpjpS4FaosVzmKnjuS4GHS9kyrN9SZqJpSAJEdI:lJnFVsVaKnl4GH8nDKA2
Threatray 2'516 similar samples on MalwareBazaar
TLSH T19DB4F140B2D8D9A5E4BF6BB0583EA4101671BD5FF472D71D19C47E2E69B338300A2B6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 79e4e4ccccc4ccc0 (16 x AgentTesla, 3 x njrat, 3 x GuLoader)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
104.243.37.233:4003

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
104.243.37.233:4003 https://threatfox.abuse.ch/ioc/573350/

Intelligence

File Origin
# of uploads :
2
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
36369afa80e77990acaecd4a995112a3.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 17:22:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/42523af9-0551-408a-b996-a6d4b9679d6e

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/271228/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628282646b2a366ce4159c8e/reports/e70501df-fc89-4744-9896-c91b4e4faa0f/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a0b57fb-89ea-4e07-b82b-6cd38bd9721d
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/995211
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 627707 Sample: a8jqOgXcwP.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 8 a8jqOgXcwP.exe 3 2->8         started        12 Payload.exe 2 2->12         started        process3 file4 30 C:\Users\user\AppData\...\a8jqOgXcwP.exe.log, ASCII 8->30 dropped 50 Injects a PE file into a foreign processes 8->50 14 a8jqOgXcwP.exe 2 4 8->14         started        17 Payload.exe 1 12->17         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\Local\...\Payload.exe, PE32 14->32 dropped 20 Payload.exe 3 14->20         started        23 attrib.exe 1 14->23         started        34 192.168.2.1 unknown unknown 17->34 file8 process9 signatures10 46 Multi AV Scanner detection for dropped file 20->46 48 Injects a PE file into a foreign processes 20->48 25 Payload.exe 1 4 20->25         started        28 conhost.exe 23->28         started        process11 dnsIp12 36 104.243.37.233, 4003, 49769 RELIABLESITEUS United States 25->36
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3434441f773ee5123b242705f95ce6cd367bdc5a19a751884d7b664346252225/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 03:01:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gq2eih3xh3sreozee4c7sxhgzu3hxxc2dgtvdccnpntegrrfeisq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
njrat
3441e66bd2febee7b35a6268f466b526628cdc2de0abab93b5cbf8a4c239d50a
njrat
418b71760c6de41ed293744610e252c7474decd221371ffa449411dde751be46
njrat
7202ac55d7b97627bbe84ca2f7517b3af368c788c2a42af24bec1f2464a8aea6
njrat
89aea7429e8634bbba4d97c8576adb9568cdf91830d15ecd2c34c5a290f7b83f
njrat
b13fbd200b38f02c0278e54483e641a2cfb41acd1a90bed78ac8791d0c1cf5b2
njrat
d60845023b6f4924993a60e60e1db49c5b6cc9ede4e09560d3542dd5f1bee603
njrat
e61195d0d4b897536f0cc090d36140099db443b5b913894d13cd76f7abee36b6
njrat
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
njrat
+ 2'506 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked persistence trojan
Link:
https://tria.ge/reports/220516-vf8p9abag4/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
104.243.37.233:4003
Unpacked files
SH256 hash:
7a34154d36e7cb6ad4645b6c3921a2ab5791af9246fb101de5e3c57938ad412a
MD5 hash:
40275c7eb2f05dc4deffcfd9a0f5f8e9
SHA1 hash:
bb35d5f9ade61edcb5e0e1c98aa32c47469fd12b
Link:
https://www.unpac.me/results/e3e4e672-cd2d-4632-92f9-c5053924bd37/
SH256 hash:
75089296f09e7a9d56845ee838f37f1a7aa06ce70fac5cbba06481155568976c
MD5 hash:
39e75e67287596f2d69e4b896af4e0fd
SHA1 hash:
20487201058aa27ac032b14433a2b2caf3cc82d2
Link:
https://www.unpac.me/results/e3e4e672-cd2d-4632-92f9-c5053924bd37/
SH256 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
Link:
https://www.unpac.me/results/e3e4e672-cd2d-4632-92f9-c5053924bd37/
SH256 hash:
17ac97ccb81c15e4b3890c2256f5570bc1fca86e1efad82e1908d6910cd8634f
MD5 hash:
51b6fdb2d0cb20cb8c096c3e3a928c91
SHA1 hash:
f6918f9ea2e7476a7661bc1107407945aaa8c3f6
Link:
https://www.unpac.me/results/e3e4e672-cd2d-4632-92f9-c5053924bd37/
SH256 hash:
3434441f773ee5123b242705f95ce6cd367bdc5a19a751884d7b664346252225
MD5 hash:
36369afa80e77990acaecd4a995112a3
SHA1 hash:
a94b4b3c1c31b57fa16b94221c045f7321214393
Link:
https://www.unpac.me/results/e3e4e672-cd2d-4632-92f9-c5053924bd37/
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/3434441f773ee5123b242705f95ce6cd367bdc5a19a751884d7b664346252225

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.

Cape
Cape
https://www.capesandbox.com/analysis/271228/

Comments