MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213. 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: 7

Intelligence 7 IOCs YARA 25 File information Comments

SHA256 hash:	76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213
SHA3-384 hash:	cc78a2ed27c639dfa1f092ea4cbcba9f16ab67537da4aba5d5fe31c3940ea332c3c5b42fe795812396796e5c1e51763e
SHA1 hash:	f6776dd00e6e741515aeae64d907e649fbeadba6
MD5 hash:	711ee2bb3dd24824c6de1c4a5207117f
humanhash:	texas-jig-leopard-golf
File name:	OC4503585787.7Z
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	543'843 bytes
First seen:	2025-02-06 14:44:15 UTC
Last seen:	Never
File type:	7z
MIME type:	application/x-rar
ssdeep	12288:KIDGoJ8bPiygsDFxbr166WG0N+98EJ/MXOBFA3GzPKJCJIUon:VJwipsDFx316m0N+2a/M+BFAZQji
TLSH	T1ECC4236895AD9C0F6C8F59F9802390CABF30E75BA29D23077AD77378D854C02096DB6D
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	7z AgentTesla

cocaman

Malicious email (T1566.001)
From: "Nely de la Fuente <notificaciones@osfechaginsas.com>" (likely spoofed)
Received: "from ns-504.awsdns-63.com (unknown [108.163.195.26]) "
Date: "6 Feb 2025 06:43:44 -0800"
Subject: "OC4503585788"
Attachment: "OC4503585787.7Z"

Intelligence

File Origin

# of uploads :

# of downloads :

108

Origin country :

File Archive Information

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

File name:	OC4503585787.exe
File size:	642'048 bytes
SHA256 hash:	f11a80123a901473bc7a5dabdd51847e6adbda96280dec8442fd2ef96cce42af
MD5 hash:	24e4466f3dc192a030b7d100a5d25804
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Verdict:

Suspicious

Score:

50%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a4c1ba51193558eb199c67

Tags:

malware

Result

Verdict:

Suspicious

File Type:

PE File

Link:

https://app.docguard.net/76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213/results/dashboard

Behaviour

BlacklistAPI detected

Gathering data

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213/

Threat name:

Script-AutoIt.Trojan.Nymeria

Status:

Malicious

First seen:

2025-02-06 14:44:18 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

11 of 38 (28.95%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=o25q3dfgmcspgbvjrvel3uf322qxkdemtukdjemz3lhlwhppqijq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan upx

Link:

https://tria.ge/reports/250206-sajg3axrbw/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

UPX packed file

Looks up external IP address via web service

AgentTesla

Agenttesla family

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/76bb0d8ca660a4f306a98d48bdd0bbd6a1750c8c9d14349199dacebb1def8213

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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:	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:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

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:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

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