MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60. 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


NanoCore


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60
SHA3-384 hash: 150488b8b5a8cb2c8af907f873660571224ee5614912a792d8766066e4b472c013e8f225af558ed56942fb5ef346b2c8
SHA1 hash: 10430128f54035e586154eff4dcac64f0b12bb10
MD5 hash: 826a766370c80d2d2ab2d970dc9ef1c2
humanhash: thirteen-california-hawaii-magazine
File name:ARRIVAL NOTICE & INVOICE.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:917'504 bytes
First seen:2020-08-28 14:01:46 UTC
Last seen:2020-08-28 14:37:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8Hg0zPsqOB9SZTOME33GSD5RNrONnWifCQH65p2ngfAE3SN3YJJ:8AUPCBkFtE33GSDzNy5fZa7pfAlkJ
Threatray 10'667 similar samples on MalwareBazaar
TLSH 05159DD6B50C7577DA260AB0C87296526BF06EA95B74851FE4C83E5F37333B34081AB2
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/52352/
Detection(s):
Sanesecurity.Rogue.0hr.20200828-0406.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/453598
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279170 Sample: ARRIVAL NOTICE & INVOICE.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 8 other signatures 2->46 7 ARRIVAL NOTICE & INVOICE.exe 5 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 C:\Users\...\ARRIVAL NOTICE & INVOICE.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 50 Injects a PE file into a foreign processes 7->50 11 ARRIVAL NOTICE & INVOICE.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 48 Creates an undocumented autostart registry key 21->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-28 02:46:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
64
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eoi4tpvsdelknn7rrtjnvx47tqm2ayfxk6i7mbjomwtigfq5pjqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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d2b81427fe1f056fcb3678852c1f56cb4dc21fe8c3cc7dc9f83cb77144284164
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NanoCore
+ 10'657 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200828-gem4fdv1as/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2391c9beb21916a6b7f18cd2dadf9f9c19a060b75791f6052e65a683161d7a60

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/52352/

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