MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b6c079401e47ab7c10a16fec31f9e330b3730f0e9f925caa43368b95a421b5e. 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 4 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b6c079401e47ab7c10a16fec31f9e330b3730f0e9f925caa43368b95a421b5e
SHA3-384 hash: cdd12adc19b524637b7ff62802505f74fd3662e80815f08dea1c35eeb4b14dd7d41f770b63cccbbd8a76db4ec1b6b985
SHA1 hash: fff14f1641964aa645eb79d8e85786b6bbc42664
MD5 hash: b28f74c18bf85bea722d915ee65f5f1c
humanhash: romeo-gee-alaska-bulldog
File name:b28f74c18bf85bea722d915ee65f5f1c.exe
Download: download sample
Signature njrat
Create hunting rule
File size:7'571'456 bytes
First seen:2021-12-22 10:22:04 UTC
Last seen:2021-12-22 12:27:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 196608:js/cAE2TGQYauk8ySnx9gD7+CG+R/in8x/BKLtZizA:FEGcuby+apSizA
Threatray 295 similar samples on MalwareBazaar
TLSH T1D57633200CB962CBEDEB76F662576AA4738F4E4A37F17754C3907980097983587C89CB
File icon (PE):PE icon
dhash icon aad5eca2a6ec51a2 (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.132.159.158:18635

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.132.159.158:18635 https://threatfox.abuse.ch/ioc/281659/
3.141.142.211:18635 https://threatfox.abuse.ch/ioc/281660/
3.141.177.1:18635 https://threatfox.abuse.ch/ioc/281661/
18.189.106.45:18635 https://threatfox.abuse.ch/ioc/281662/

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b28f74c18bf85bea722d915ee65f5f1c.exe
Verdict:
Malicious activity
Analysis date:
2021-12-22 10:23:13 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/872f7c95-a783-4016-a56c-5fb32f5964ce

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/215764/
Detection(s):
SecuriteInfo.com.BackDoor.Orcus.7.9820.26428.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Running batch commands
Launching cmd.exe command interpreter
Launching the process to change network settings
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c2fc4fec6c6c14a9e9c1bf/reports/cdbf14eb-989a-42dd-a767-4786041d5ef5/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e139e0b-6b07-4f9b-a454-9e2ee86996b4
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911479
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses cmd line tools excessively to alter registry or file data
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 543953 Sample: FzciZnvupw.exe Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 76 6.tcp.ngrok.io 2->76 92 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus / Scanner detection for submitted sample 2->96 98 10 other signatures 2->98 9 FzciZnvupw.exe 6 2->9         started        12 svchost.exe 2->12         started        15 svchost.exe 9 1 2->15         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 70 C:\Users\user\AppData\Roaming\Client.exe, PE32 9->70 dropped 72 C:\Users\user\AppData\Roaming\CG_Loader.exe, PE32 9->72 dropped 74 C:\Users\user\AppData\...\FzciZnvupw.exe.log, ASCII 9->74 dropped 20 CG_Loader.exe 11 9->20         started        25 Client.exe 3 4 9->25         started        122 Changes security center settings (notifications, updates, antivirus, firewall) 12->122 90 127.0.0.1 unknown unknown 15->90 file6 signatures7 process8 dnsIp9 78 raw.githubusercontent.com 185.199.108.133, 443, 49762, 49765 FASTLYUS Netherlands 20->78 80 185.199.111.133, 443, 49766 FASTLYUS Netherlands 20->80 88 3 other IPs or domains 20->88 58 C:\Windows\TDFBPNRT.dll, PE32 20->58 dropped 60 C:\Users\user\AppData\...\IObitUnlocker.sys, PE32+ 20->60 dropped 62 C:\Users\user\AppData\...\IObitUnlocker.dll, PE32 20->62 dropped 64 2 other files (none is malicious) 20->64 dropped 100 Multi AV Scanner detection for dropped file 20->100 102 Machine Learning detection for dropped file 20->102 104 Sample is not signed and drops a device driver 20->104 27 cmd.exe 20->27         started        30 cmd.exe 20->30         started        32 cmd.exe 20->32         started        34 cmd.exe 20->34         started        82 3.140.223.7, 18635, 49791, 49846 AMAZON-02US United States 25->82 84 3.141.142.211, 18635, 49772, 49784 AMAZON-02US United States 25->84 86 6.tcp.ngrok.io 3.132.159.158, 18635, 49759, 49760 AMAZON-02US United States 25->86 106 Antivirus detection for dropped file 25->106 108 Uses netsh to modify the Windows network and firewall settings 25->108 110 Modifies the windows firewall 25->110 36 netsh.exe 1 3 25->36         started        file10 signatures11 process12 signatures13 116 Drops executables to the windows directory (C:\Windows) and starts them 27->116 38 TDFBPNRT.dll 27->38         started        50 10 other processes 27->50 118 Uses cmd line tools excessively to alter registry or file data 30->118 120 Uses ipconfig to lookup or modify the Windows network settings 30->120 42 conhost.exe 30->42         started        44 cmd.exe 30->44         started        52 7 other processes 30->52 46 cmd.exe 32->46         started        54 6 other processes 32->54 56 5 other processes 34->56 48 conhost.exe 36->48         started        process14 file15 66 C:\Windows\System32\drivers\wsceap.sys, PE32+ 38->66 dropped 112 Sample is not signed and drops a device driver 38->112 68 C:\Windows\System32\drivers\etc\hosts, ASCII 46->68 dropped 114 Modifies the hosts file 46->114 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b6c079401e47ab7c10a16fec31f9e330b3730f0e9f925caa43368b95a421b5e/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-12-19 06:24:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnwapfab4r5lpqikc37mgh46gmftomhq5h4slsvegnulswscdnpa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4
njrat
309def552c446ea54ce932da7546242ccf13b5878c44a9b7f7b23237ff5d1edb
njrat
434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4
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54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c
njrat
826a457a8a39e24ac925b31bcdb24fdb97bd468ff913a30ea2ce66d7bb52181d
njrat
8a6cb8e4c30304c28e48f7b231566f6cb6b0003f333ad391182d9e60ad822f81
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c50488a31b6ce8d0ddd65b57bd27cf8c1bc86ad0382476f813c33083c5575d6f
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d62f0e86c54f465b93bdab28f2ccc770999db63f8c69c937afcf66f9029eae3f
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f19a67d1bda5510ca74f5a345ce1dfae91949bdfa6cfec36d4df2bc5f6f08a69
njrat
+ 285 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:user evasion persistence trojan upx
Link:
https://tria.ge/reports/211222-md8y8sfcb7/
Behaviour
Delays execution with timeout.exe
Gathers network information
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Launches sc.exe
Loads dropped DLL
Creates new service(s)
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
UPX packed file
njRAT/Bladabindi
Malware Config
C2 Extraction:
6.tcp.ngrok.io:18635
Unpacked files
SH256 hash:
c6526882a42236cc08303396b2e11150de990a19c6646aa2e341eeee90e45ef9
MD5 hash:
01daf3225278b636c7c0062efc952c2c
SHA1 hash:
2b6e49c0d917afed18fa25f7987c7cee2ab6f9de
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
bab0847ff7520392c538c51bc91458b93dd703d18e9e7c73804ec74dfb385c0b
MD5 hash:
5b4d91abaec729481acbafd18fa20950
SHA1 hash:
ef2224b73ae840ba41a3666a6fb132781510736c
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
1cd3d0ef43c11906955f889e49723258cf29ae69325e384c59bb252b8ed3c664
MD5 hash:
25fb28d898cb7ab44530fb783d23ff88
SHA1 hash:
db72771c5b63caf2186409776f5108d627900407
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
3686c6bee9527b374c0bf72495439f43b054c6a9833c27a4a136cdc254407bbe
MD5 hash:
97789e8456beb8413aac218e7d285a9f
SHA1 hash:
dae254087034eb6c7b31f4ad5a43d4fb0aafa524
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
2da7c186708ff1fcf363a35a8d776e0cd3ffe4efe07f203d1a874d1ec4df8bea
MD5 hash:
0f18d4f8323041b82363d2f4ec020957
SHA1 hash:
bc77e35fa2b2af0669e9336543412d62798b64fc
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
6fcf71f3602b393addb994dceb77141a18be94904d3ae5d1ac1407a61e65e715
MD5 hash:
bada1e7f024e85a4e2c2d0fb51a1b01a
SHA1 hash:
b948de0f9ecf153bafaa66615c1396d2d6fe73a1
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
f666a39599b81b35fcd9541de1b5a11daed103425c4eec13c6b88f5318f714a0
MD5 hash:
5fdfd4bdbc6e9a1920f3d07f8cf78f75
SHA1 hash:
b2a8267472bf9afb7a949fbac024e010045622ea
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
3b3e541682e48f3fd2872f85a06278da2f3e7877ee956da89b90d732a1eaa0bd
MD5 hash:
6ded8fcbf5f1d9e422b327ca51625e24
SHA1 hash:
8a1140cebc39f6994eef7e8de4627fb7b72a2dd9
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
904e26fb478a4d4ef0a7fcba878133ef0d956ac37673a6f8075add46cd8799b1
MD5 hash:
d1fc9e69bab6cd4bcfbdb43bdcaba946
SHA1 hash:
43c2d2f226f2199aa9de98eee708ccc5cd870890
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
5761768e18418a8377f67202c50e1aac84b81c4d9717971e0fd46349dc45bde0
MD5 hash:
3cbc9856949764293bbcf212d8504cc4
SHA1 hash:
1cba904c854d89bed6bac5fb7fb299dc94e477cd
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
1ca1099424b8bd481b88ea89d1721438937183c641ce52684cccadb3fcfd090a
MD5 hash:
e351d9740109459cbb0b5cb85cb51b2e
SHA1 hash:
04f1e17957dceac21c93a97d2f40ba3ef633e5b5
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
e692b6c2b7536ae65eccc5a4e5c70a7170b204e7d4ece745cb3601531a3f2f0f
MD5 hash:
b91e196fc0321fac4f419bc4073c5245
SHA1 hash:
4b14cc4baddc993dd91903b837962a7874f85a05
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
82a896fe010d5a29f47a2971d5323e1d21886d4a68820f5fe1dbd640035a4a32
MD5 hash:
45a24a0d8c376cf9bbf480e818f53f61
SHA1 hash:
2871bf6c8085d4082239569e3b9e95337a3035b9
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
SH256 hash:
6b6c079401e47ab7c10a16fec31f9e330b3730f0e9f925caa43368b95a421b5e
MD5 hash:
b28f74c18bf85bea722d915ee65f5f1c
SHA1 hash:
fff14f1641964aa645eb79d8e85786b6bbc42664
Link:
https://www.unpac.me/results/33660cfc-b51f-4c4a-9e1d-30c375f2f116/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AlphaCrypt
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b6c079401e47ab7c10a16fec31f9e330b3730f0e9f925caa43368b95a421b5e

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: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/215764/

Comments