MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090
SHA3-384 hash: 44832f6ad85de16474f9e1994a0f76a9d680f229f56c73417362f2e6e5231bc0aed4b1d861f4fc27c24a8dcd31e4fe05
SHA1 hash: 6932c4fa5715cb2f5e26573f8e6c60c09aa43979
MD5 hash: 0276063b28a33732516f9b3da00a5160
humanhash: cup-hot-friend-carbon
File name:067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090
Download: download sample
Signature njrat
Create hunting rule
File size:598'528 bytes
First seen:2021-02-23 15:30:08 UTC
Last seen:2021-02-23 18:06:21 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 6144:Aeu4Z65j6o1YTTDXN4qSBNOh5yghPyxbNWpuVATuBC2:tu4koDXm3GtMS0L
Threatray 84 similar samples on MalwareBazaar
TLSH E1D42057B6BC6E01D03C3275C1DF3531DBA948D96E23E70EBC882B6A22222955D4FD1B
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118667/
Detection(s):
SecuriteInfo.com.Variant.Bulz.365512.13565.1504.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling the 'hidden' option for files in the %temp% directory
Creating a process with a hidden window
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching the process to change the firewall settings
Enabling a "Do not show hidden files" option
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.
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615853
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
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)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
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: 356934 Sample: s6iL7G4BSG Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 34 anunankis111.duckdns.org 2->34 36 anunankis11.duckdns.org 2->36 38 anunankis1.duckdns.org 2->38 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 10 other signatures 2->58 11 s6iL7G4BSG.exe 1 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\s6iL7G4BSG.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 s6iL7G4BSG.exe 3 4 11->15         started        signatures6 process7 dnsIp8 46 anunankis1.duckdns.org 85.86.181.192, 49733, 49737, 49742 EUSKALTELES Spain 15->46 48 anunankis111.duckdns.org 15->48 50 anunankis11.duckdns.org 15->50 30 C:\Users\user\...\Audio Realtek Driver.exe, PE32 15->30 dropped 19 Audio Realtek Driver.exe 1 15->19         started        file9 process10 signatures11 60 Injects a PE file into a foreign processes 19->60 22 Audio Realtek Driver.exe 2 2 19->22         started        process12 dnsIp13 40 anunankis111.duckdns.org 22->40 42 anunankis11.duckdns.org 22->42 44 3 other IPs or domains 22->44 62 Changes the view of files in windows explorer (hidden files and folders) 22->62 26 netsh.exe 1 3 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090/
Threat name:
ByteCode-MSIL.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-02-22 02:20:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=az6kdicxpkepbfn2h7d2nj3y6bnaz5e4ypcba6jovmy7gdkvscia._file
Verdict:
malicious
Similar samples:
00b11363c9cd9f5e944789c5c8c8f190cb8952e572fcad351c10a0ffe4809765
njrat
08da1c7771ae637a3b09d9d636b97d6cefdd1794fe3de4ade9b676188e057370
njrat
21ac08fc21c99e9c3522c3555adc2e54fdada5297deda9f00304694a47e1a9e6
njrat
3c62c78790e9af4f08177ae16bced8501967a30658db2c46fd638e48cfbc9b56
njrat
81553f2de290ddf3a7dd40e0a8877781c8ac8cfb0fe5d0159a2b3ce3eda4c6f6
njrat
82627d2ae3b9f73237e422cd9b5c90aa5ae978e897fae447f06c1ec23e83a778
njrat
b85e964144a64d78fc54b4e6bae83ba6e1c7179f0a820f361c27f58842b6940a
njrat
c43d1164e57451c08dd6f658c6e8c393d989c5c28938793e2d4a2345ab59593d
njrat
cd0133076bb2594d02cc1a9ef7976ce41006ebc60c7f84b64a8199b4801f2ec5
njrat
dd0034d34e27eec19757f2d0b46c617fad9f461380aae7c79cb9cfd5f1df0a45
njrat
+ 74 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210223-wdrz7aredx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
2c23878d0c9da152f47dd1ce09938fa324c19e7ce2398ff43f3df95f6f1ee76d
MD5 hash:
7516be3a354e4d245e52ace1e905fc0c
SHA1 hash:
fc85df8cd7ceb0bc596e3dc0ae1e6029d85bdd9e
Link:
https://www.unpac.me/results/5a3bf16c-027a-4944-8a36-bb309f929ba1/
SH256 hash:
0f7d18dac7424dc27a20d0846cd04e84bf9b66e325da06e1be288bf7cdbce55e
MD5 hash:
9cd4a33d58db94b8ba81e00aed4dc6ba
SHA1 hash:
c910b7b211966934d4211e50619a884502bdb27f
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/5a3bf16c-027a-4944-8a36-bb309f929ba1/
SH256 hash:
067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090
MD5 hash:
0276063b28a33732516f9b3da00a5160
SHA1 hash:
6932c4fa5715cb2f5e26573f8e6c60c09aa43979
Link:
https://www.unpac.me/results/5a3bf16c-027a-4944-8a36-bb309f929ba1/
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/067ca1a0577a88f095ba3fc7a6a778f05a0cf49cc3c410792eab31f30d559090

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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/118667/

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