MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f. 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


AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f
SHA3-384 hash: 4c7ed3d96242c654299d4b8d40c395ace1a7bc79df0b0731dafe211f7a8010f14275e42fdae410d7f0754d3142ed686f
SHA1 hash: 2a49f65a68c83ca822fc66499304e04e6d788272
MD5 hash: 2c2af1800b8d168a223db2a529084482
humanhash: finch-south-cup-hot
File name:Quotation R2100131410.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:721'313 bytes
First seen:2024-02-21 09:30:08 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:X15KrQSXq1uigLtNTjE3xU1ZY9OAC4QRCuVG2yV4+2DDaku1l1NOjjc:2r7XqMigBJEzOAZQR1Vqji4lkw
TLSH T16AE4234D405080D3E1DB52A43A1D1EAF80D7BAC5C97EB63A4B90AFE6F9388701B77E51
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla QUOTATION RFQ zip


Avatar
cocaman
Malicious email (T1566.001)
From: "m.tabbara@albinagroup.com" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.57.132]) "
Date: "20 Feb 2024 13:50:34 +0100"
Subject: "REQUEST FOR QUOTATION (RFQ REF : R2100131410)"
Attachment: "Quotation R2100131410.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Quotation R2100131410.exe
File size:792'064 bytes
SHA256 hash: 643ec0d1bf2ed36dd15a6eae87f1a570c88be0cae6ccdf7179f705edd3291d38
MD5 hash: 9c93adc749374b8187372df173d3bc8a
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs2022.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20240220-1140.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65d5c2d826f1ddc579a328b2/reports/0a6c0c20-e3a4-42e6-bbfa-f804bb0a4adc/overview
Verdict:
Suspicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 10:27:57 UTC
File Type:
Binary (Archive)
Extracted files:
6
AV detection:
19 of 38 (50.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jevg46gffyb5qmqifi4rwsfechctwyyz6vu572kovphz45o6lypq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240221-qax94sgc49/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
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/492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

zip 492a6e78c52e03d832082a391b48a411c53b6319f569dfe94eabcf9e75de5e1f

(this sample)

AgentTesla

Executable exe 643ec0d1bf2ed36dd15a6eae87f1a570c88be0cae6ccdf7179f705edd3291d38

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 643ec0d1bf2ed36dd15a6eae87f1a570c88be0cae6ccdf7179f705edd3291d38
  
Dropping
AgentTesla

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