MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ca7a88914b12594c63a7e2939e3ac8af105390c356e755ce4035eb9d9c42dfa. 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: 6

Intelligence 6 IOCs YARA 21 File information Comments

SHA256 hash:	4ca7a88914b12594c63a7e2939e3ac8af105390c356e755ce4035eb9d9c42dfa
SHA3-384 hash:	a98c53159c46753614a98d94f60374dbe9a9c7194a1418c7cdcd3b6044ae84e862e492a8e63d6b5b395b29fe55d63d32
SHA1 hash:	02ead080ed2a20b314d02e302bcdc6c1a82a3114
MD5 hash:	867326e02f81edbe8022e97ca2a68ff5
humanhash:	thirteen-grey-princess-skylark
File name:	Quotation No Q240419600.7z
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	2'352'788 bytes
First seen:	2024-04-30 06:51:35 UTC
Last seen:	Never
File type:	7z
MIME type:	application/x-7z-compressed
ssdeep	49152:PR8+dhyojyx6rrZ7O0q4S9zAkX6N8gdk4FQcxVQbUgq2dndWoOU:SshyojzrZjq4aAH9FPxgDq2nl
TLSH	T15CB53361185738F55A0772F1557F3830771E12FE98ED41A9BAFEA829C3D9B22138B10D
TrID	57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1) 42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Reporter	cocaman
Tags:	7z AgentTesla QUOTATION

cocaman

Malicious email (T1566.001)
From: "sales@victorinternational.com" (likely spoofed)
Received: "from syntrans.com (unknown [193.37.71.181]) "
Date: "29 Apr 2024 08:15:52 -0700"
Subject: "New Quotation No Q24/04/19617"
Attachment: "Quotation No Q240419600.7z"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	Quotation No Q240419600.bat
File size:	3'069'550 bytes
SHA256 hash:	a91ca6aaad29b8fa67243ec564545d39653a99b127e0a20a3f9d0ea86283a8c6
MD5 hash:	b903c75adee1519510471c02e808c78a
MIME type:	text/plain
Signature	AgentTesla

Vendor Threat Intelligence

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

cmd lolbin powershell xcopy

Link:

https://www.filescan.io/uploads/6630951abf7194638491c41d/reports/fd215014-24b1-4c49-8e04-9f51b66dd9c9/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/4ca7a88914b12594c63a7e2939e3ac8af105390c356e755ce4035eb9d9c42dfa

Score:

99%

Verdict:

Malware

File Type:

Result

Malware family:

n/a

Score:

8/10

Tags:

evasion

Link:

https://tria.ge/reports/240430-h13nhsfe9x/

Behaviour

Suspicious use of WriteProcessMemory

Views/modifies file attributes

Sets file to hidden

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/4ca7a88914b12594c63a7e2939e3ac8af105390c356e755ce4035eb9d9c42dfa

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	BlackGuard_Rule Create hunting rule
Author:	Jiho Kim
Description:	Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:	https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla