MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae. 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: 17

Intelligence 17 IOCs YARA 17 File information Comments

SHA256 hash:	3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae
SHA3-384 hash:	081364b164bd9878df5448cf67755abc33e128637d9ce1c39d76f0acaff868cb7cf813b147dd5c1999869e87f5fd43df
SHA1 hash:	b15dcd0cfbb420f166f116c3824a97ff762f0a69
MD5 hash:	bfc0b348f8cca9bcac006dc562d8c4f4
humanhash:	seventeen-oxygen-harry-muppet
File name:	PO# CB20240022.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'176'576 bytes
First seen:	2024-05-14 10:40:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	24576:jZCD65EK2G0BDP6v/25CErDM7gNG6rXp/:l5D2GkDP8SDMgxr
TLSH	T1EE457CAC3254B1EFD89FC235D9A85C29EBE0A476530B9207901751BDAA4EB97CF140F3
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	e08cc6c6c6c68ce0 (6 x AgentTesla, 1 x Loki, 1 x RemcosRAT)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

354

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae.exe

Verdict:

Malicious activity

Analysis date:

2024-05-14 11:11:16 UTC

Tags:

evasion smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/f34ea679-2d2c-49a7-a303-018cf7b912b6

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Packed.Nanocore-10029783-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Stealing user critical data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

hook keylogger nanocore packed stealer

Link:

https://www.filescan.io/uploads/66433fd51c9796b80abef40e/reports/bc4474f3-117f-49e3-a423-db254e797057/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae

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.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1696e720-a74a-4e22-b4e3-28a5a9183b1c

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1441283

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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 harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-08 23:18:59 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ht6obbnvzxc5wanceiyqk6e27wtaaje2rg5nhixcsbtljk3akcxa._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240514-mq5scacc5t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

295be96347c3ee2a2ba7f10e88267274d7b0c5cd7dcf14108f76ac03c5130520

MD5 hash:

35292829892ad204f2eb60fe087d3d3c

SHA1 hash:

c1729353c32c4620a835dd417076a2413fc8f675

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/926c890d-fbeb-47a5-a233-629a6b0b92b7/

Parent samples :
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SH256 hash:

4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013

MD5 hash:

28b43a10958caef0465f7b93be0a0d77

SHA1 hash:

9c85c1cb7f6face0a6c8d0a2d2314a99092d6554

Link:

https://www.unpac.me/results/926c890d-fbeb-47a5-a233-629a6b0b92b7/

SH256 hash:

0dfa6073968a837d834cd6f778bd070abafed69d01bc2b8783b3aae24087ebb4

MD5 hash:

20e833698bde1645c0593f83e765e350

SHA1 hash:

87ee05d876d5a4be314b880d804d46ab1332e9a3

Link:

https://www.unpac.me/results/926c890d-fbeb-47a5-a233-629a6b0b92b7/

SH256 hash:

f9b1af8056c7ea0a32e92d142561d126054cb54dbac7d54709b1a34278324cc8

MD5 hash:

e3f3d6ea3d2c98d9f0cf4c109bc63fbf

SHA1 hash:

863dfe046c24ced0321662654afdba8514057f75

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/926c890d-fbeb-47a5-a233-629a6b0b92b7/

Parent samples :

f9b1af8056c7ea0a32e92d142561d126054cb54dbac7d54709b1a34278324cc8
dcedaf9bce3f693acc54a1bb84aace5c71a93a8c1be0e76efccc473aee809d89
3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae
988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800

SH256 hash:

3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae

MD5 hash:

bfc0b348f8cca9bcac006dc562d8c4f4

SHA1 hash:

b15dcd0cfbb420f166f116c3824a97ff762f0a69

Link:

https://www.unpac.me/results/926c890d-fbeb-47a5-a233-629a6b0b92b7/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3cfce085b5cd/report/overview.html

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/3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae

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:	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

File information

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

Malspam

AgentTesla

exe 3cfce085b5cdc5db01a2223105789afda600249a89bad3a2e29066b4ab6050ae

(this sample)

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample