MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8679b2fabfde6416ec8c7cf1d2d5eeca2c1ed5fdc8dc5d8cb7b11edaafa2be8. 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: 9

Intelligence 9 IOCs YARA 23 File information Comments

SHA256 hash:	b8679b2fabfde6416ec8c7cf1d2d5eeca2c1ed5fdc8dc5d8cb7b11edaafa2be8
SHA3-384 hash:	41efaffc84ae79b68c845c3f94e180ef9e845862ef8338dc52534c13b041bc20e59cc42dbffbe6564f6510326dfdada9
SHA1 hash:	574d1ca2ea2100c03523e32c4784eb1519b7fe4c
MD5 hash:	6283cd37992f7ed23b5eb012c578b540
humanhash:	nevada-connecticut-nitrogen-three
File name:	OVERDUE ACCOUNT LETTER- FINAL REMINDER.tar.001
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'434'112 bytes
First seen:	2025-03-28 10:00:41 UTC
Last seen:	Never
File type:	tar
MIME type:	application/x-tar
ssdeep	24576:Ue8Sdf0hsacM3n3CzewoMIUrZMVo6b+G5JiZTnkrd++9c4350s:qSpgsaXnW26mt+GKTK1aA50s
TLSH	T1A865DF27AA5C41B6EF79933E91524AC186F09C5D52C9F20A03B9BC7CC93E6255C0FC6E
TrID	62.9% (.TAR/GTAR) TAR - Tape ARchive (GNU) (17/3) 37.0% (.TAR) TAR - Tape ARchive (file) (10/3)
Magika	tar
Reporter	cocaman
Tags:	001 AgentTesla DHL tar

cocaman

Malicious email (T1566.001)
From: ""Saad Ali (DHL PK)" <saad.ali1@dhl.com>" (likely spoofed)
Received: "from dhl.com (unknown [45.137.22.99]) "
Date: "26 Mar 2025 23:57:53 -0700"
Subject: "URGENT: DHL - OVERDUE ACCOUNT LETTER- FINAL REMINDER - 1300711528"
Attachment: "OVERDUE ACCOUNT LETTER- FINAL REMINDER.tar.001"

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:	OVERDUE ACCOUNT LETTER- FINAL REMINDER.exe
File size:	1'432'576 bytes
SHA256 hash:	f888c4770bbbbcad15c357d6731ff8f5afd7e62e4c35652f3dc3ede6c36b66e9
MD5 hash:	3b8df9d91686abf51fd6db510ca8a9ed
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Detection(s):

Win.Packed.Msilheracles-10017859-0

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e4f43acb6d38a89f3e9605

Tags:

smartassembly autorun packed virus

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

crypt obfuscated obfuscated packed packed packer_detected smartassembly smart_assembly

Link:

https://www.filescan.io/uploads/67e67381f274bf2d8e270f70/reports/1d99b99c-77cd-47cd-8d17-0878a4dc2aa3/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/b8679b2fabfde6416ec8c7cf1d2d5eeca2c1ed5fdc8dc5d8cb7b11edaafa2be8

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.

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250328-qlgrhawwhs/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Drops startup file

AgentTesla

Agenttesla family

Suspicious use of NtCreateUserProcessOtherParentProcess

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/b8679b2fabfde6416ec8c7cf1d2d5eeca2c1ed5fdc8dc5d8cb7b11edaafa2be8

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_EXE_Packed_SmartAssembly Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with SmartAssembly

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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