MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773
SHA3-384 hash: d26041624cfcf48175afb6fbe98393820004ceee360725cb94751d983b6c84b84882c76f54452525ae2a73cbc08eee6e
SHA1 hash: b624b77612afd8f80fae7a16fd502ce6e10d4ace
MD5 hash: 77b102bdd0fc0315b1fc0a464d9b1251
humanhash: pluto-finch-zebra-south
File name:77b102bdd0fc0315b1fc0a464d9b1251
Download: download sample
Signature njrat
Create hunting rule
File size:7'680 bytes
First seen:2022-11-10 01:58:14 UTC
Last seen:2022-11-10 03:41:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:Aa5+ZdOxnI9Dwy03Zfw1YSp21su/3JC9rkCWM6fKR3GnUg5pfX:Ae+7Gq055Yp21siMARORva
Threatray 8'447 similar samples on MalwareBazaar
TLSH T1EDF1F805EF848337CA9647B6D8B303C0537ADB9BDD83EB6E5D84544AAD023884791FB0
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77b102bdd0fc0315b1fc0a464d9b1251
Verdict:
Malicious activity
Analysis date:
2022-11-10 02:00:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5d783dca-818c-47c1-a201-abb05f8dc410

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/331546/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1659.15091.10126.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636c5ae620a0b4943a8eabf0/reports/333e1b41-c37d-405a-aa94-e3d25f82ef22/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b1ce1de8-dedb-49b8-a636-7a93160a30cd
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1109935
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742613 Sample: p7gHchLbX3.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 6 other signatures 2->56 8 p7gHchLbX3.exe 16 7 2->8         started        13 Jphsvfs.exe 14 3 2->13         started        15 Jphsvfs.exe 2->15         started        17 update.exe 2->17         started        process3 dnsIp4 48 194.180.48.203, 49707, 49717, 49718 LVLT-10753US Germany 8->48 42 C:\Users\user\AppData\Roaming\...\Jphsvfs.exe, PE32 8->42 dropped 44 C:\Users\user\...\Jphsvfs.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\...\p7gHchLbX3.exe.log, ASCII 8->46 dropped 60 Encrypted powershell cmdline option found 8->60 62 Creates multiple autostart registry keys 8->62 64 Injects a PE file into a foreign processes 8->64 19 p7gHchLbX3.exe 2 4 8->19         started        23 powershell.exe 16 8->23         started        25 p7gHchLbX3.exe 8->25         started        66 Multi AV Scanner detection for dropped file 13->66 68 Machine Learning detection for dropped file 13->68 27 powershell.exe 13->27         started        file5 signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\update.exe, PE32 19->40 dropped 58 Creates multiple autostart registry keys 19->58 29 update.exe 19->29         started        32 attrib.exe 19->32         started        34 conhost.exe 23->34         started        36 conhost.exe 27->36         started        signatures9 process10 signatures11 70 Multi AV Scanner detection for dropped file 29->70 72 Machine Learning detection for dropped file 29->72 38 conhost.exe 32->38         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-09 00:28:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vk2cz5i6wtoabuntvxd4sbescklf744lm33qhxi4rsxiijneq5zq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
masslogger
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
njrat
393f4a923b1ca62e9194b73d71d1951897df1bf67f42b6aea9c4b3963dc4e1de
njrat
7f1cd16cd2d2e5644752a3e0fd411c3902bad47051779d5bd539e9650f53787c
njrat
89aea7429e8634bbba4d97c8576adb9568cdf91830d15ecd2c34c5a290f7b83f
njrat
94ffce539231b9128a8d35e51100359809e723965ba6021cbc7852b066423a1e
njrat
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
njrat
+ 8'437 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:updater persistence trojan
Link:
https://tria.ge/reports/221110-ced55sffbp/
Behaviour
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
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
alexanderhk228.hopto.org:4432
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e336bc9f-d2ec-4974-bd36-a8c1b67d71fd
Unpacked files
SH256 hash:
aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773
MD5 hash:
77b102bdd0fc0315b1fc0a464d9b1251
SHA1 hash:
b624b77612afd8f80fae7a16fd502ce6e10d4ace
Link:
https://www.unpac.me/results/8bc01379-9cda-4e8b-a817-2d991f32009a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aab42cf51eb4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773

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 aab42cf51eb4dc00d1b3adc7c9049212965ff38b66f703dd1c8cae8425a48773

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2406341/
Cape
Cape
https://www.capesandbox.com/analysis/331546/

Comments


Avatar
zbet commented on 2022-11-10 01:58:22 UTC

url : hxxp://103.125.189.50/dataspace/vbc.exe