MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc
SHA3-384 hash: 280b13310746bb338b3fcdbb0aa93efbcf3b4e05fad76bdb372e93f7618115eeb541481001273ca1d050eeb4d6991130
SHA1 hash: a23f51923766148e877fd460532256ec742401dc
MD5 hash: ed626d27f0f2ebd254a3356a4ae35dfe
humanhash: alabama-carbon-lamp-uranus
File name:3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc
Download: download sample
Signature njrat
Create hunting rule
File size:536'576 bytes
First seen:2021-09-03 09:11:20 UTC
Last seen:Never
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:txk8zmNxGo4IO4tAYKzIGFVl1KtQThIUuzKPCu:B60vjzlVl1fNIjcC
TLSH T100B42214D364816EC225D23C88C76B204549EF926588B74B4ECBBF537EB3B691FC8639
dhash icon 98d89899fcfcfcf8 (2 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
606
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc
Verdict:
Malicious activity
Analysis date:
2021-09-03 09:33:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cf53c13a-aa2e-4ec4-b2a4-9c02a1a55551

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/185127/
Detection(s):
Win.Malware.Delf-6899401-0
Create hunting rule

Win.Trojan.Emotet-9850453-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Searching for the window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b868fc8-7b0d-46ec-969b-df4f64b20274
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844710
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Detected unpacking (changes PE section rights)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Drops PE files to the document folder of the user
Drops PE files to the startup folder
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
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 477141 Sample: obVwosC5i1 Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 63 mtnmr.ddns.net 2->63 81 Malicious sample detected (through community Yara rule) 2->81 83 Antivirus detection for dropped file 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 12 other signatures 2->87 9 obVwosC5i1.exe 6 2->9         started        13 Synaptics.exe 2->13         started        15 EXCEL.EXE 16 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 47 C:\Users\user\AppData\LocalhZutDgNMLG.exe, MS-DOS 9->47 dropped 49 C:\Users\user\AppData\...\obVwosC5i1.exe.log, ASCII 9->49 dropped 97 Antivirus detection for dropped file 9->97 99 Multi AV Scanner detection for dropped file 9->99 101 Machine Learning detection for dropped file 9->101 19 LocalhZutDgNMLG.exe 1 4 9->19         started        51 C:\ProgramData\...\._cache_Synaptics.exe, PE32 13->51 dropped 23 ._cache_Synaptics.exe 13->23         started        signatures6 process7 file8 41 C:\Users\user\...\._cache_LocalhZutDgNMLG.exe, PE32 19->41 dropped 43 C:\ProgramData\Synaptics\Synaptics.exe, MS-DOS 19->43 dropped 89 Antivirus detection for dropped file 19->89 91 Multi AV Scanner detection for dropped file 19->91 93 Detected unpacking (changes PE section rights) 19->93 25 Synaptics.exe 131 19->25         started        30 ._cache_LocalhZutDgNMLG.exe 1 5 19->30         started        95 Machine Learning detection for dropped file 23->95 signatures9 process10 dnsIp11 67 docs.google.com 172.217.168.46, 443, 49712, 49713 GOOGLEUS United States 25->67 69 freedns.afraid.org 69.42.215.252, 49714, 80 AWKNET-LLCUS United States 25->69 71 2 other IPs or domains 25->71 53 C:\Users\user\Desktop\._cache_Synaptics.exe, PE32 25->53 dropped 55 C:\Users\user\Documents\~$cache1, MS-DOS 25->55 dropped 57 C:\Users\user\Desktop\obVwosC5i1.exe, MS-DOS 25->57 dropped 61 3 other malicious files 25->61 dropped 103 Antivirus detection for dropped file 25->103 105 Multi AV Scanner detection for dropped file 25->105 107 Detected unpacking (changes PE section rights) 25->107 109 Drops PE files to the document folder of the user 25->109 32 ._cache_Synaptics.exe 3 25->32         started        35 WerFault.exe 25->35         started        59 C:\Users\user\AppData\Roaming\sytem.exe, PE32 30->59 dropped 111 Machine Learning detection for dropped file 30->111 37 sytem.exe 30->37         started        file12 signatures13 process14 dnsIp15 65 mtnmr.ddns.net 168.149.124.136, 9898 SAUDINETSTC-ASSA Saudi Arabia 37->65 45 C:\Users\user\AppData\...\Java update.exe, PE32 37->45 dropped 73 Antivirus detection for dropped file 37->73 75 Multi AV Scanner detection for dropped file 37->75 77 Machine Learning detection for dropped file 37->77 79 Drops PE files to the startup folder 37->79 file16 signatures17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-09-01 03:41:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
83
AV detection:
35 of 43 (81.40%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hauk3nmkjndy76spvw5lnuvvnrh4pzlbytsfwajjgkkzl6yp7p6a._file
Verdict:
suspicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked macro persistence trojan
Link:
https://tria.ge/reports/210903-k58rfagaem/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Suspicious Office macro
njRAT/Bladabindi
Malware Config
C2 Extraction:
mtnmr.ddns.net:9898
Unpacked files
SH256 hash:
2f6d41269d777e8d7c3880312d5c076334fe1d2d72d50d21918d4ae8cbffe22b
MD5 hash:
0250f7e1db8f718f11d472fefbf32c8f
SHA1 hash:
05a9958125ab6bd4d09e1aece11cc71aae4099c3
Link:
https://www.unpac.me/results/e5917e32-3a63-4f7b-b4a3-8b939b51aefa/
SH256 hash:
aa9df380daa182cf78f03041d9647fe9ab262ad147eeb0fac63b4751baabaa9a
MD5 hash:
cedf08cc19180a8c49e0404c224c01fe
SHA1 hash:
b980f95a96f811b98d7d6308fa1595d20ef82ed5
Link:
https://www.unpac.me/results/e5917e32-3a63-4f7b-b4a3-8b939b51aefa/
SH256 hash:
b9eae90f8e942cc4586d31dc484f29079651ad64c49f90d99f86932630c66af2
MD5 hash:
c0ef4d6237d106bf51c8884d57953f92
SHA1 hash:
f1da7ecbbee32878c19e53c7528c8a7a775418eb
Link:
https://www.unpac.me/results/e5917e32-3a63-4f7b-b4a3-8b939b51aefa/
SH256 hash:
94f6e807744284539f67dafc13be54cd83735861352dd1931b432bf4487e1433
MD5 hash:
76a8ebeca95ebb6ab0f28a727a25f036
SHA1 hash:
2444513fa974b1a19cf9671fdff7d7058e4df139
Link:
https://www.unpac.me/results/e5917e32-3a63-4f7b-b4a3-8b939b51aefa/
SH256 hash:
3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc
MD5 hash:
ed626d27f0f2ebd254a3356a4ae35dfe
SHA1 hash:
a23f51923766148e877fd460532256ec742401dc
Link:
https://www.unpac.me/results/e5917e32-3a63-4f7b-b4a3-8b939b51aefa/
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/3828adb58a4b478ffa4fadbab6d2b56c4fc7e561c4e45b0129329595fb0ffbfc

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:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
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:pe_imphash
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
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/185127/

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