MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8. 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:	ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8
SHA3-384 hash:	c179b15ae79791e27edd06fc72e11a5257223dc1c7cc728dd572a6760f99cf34848e26b51287eafb36490ca4e03a3e95
SHA1 hash:	2b69f4a9e66cb932f695fc0b004c81d34f3684d5
MD5 hash:	83d5996cdae805e2caaea0c087163700
humanhash:	alpha-jupiter-spaghetti-leopard
File name:	Bank slip.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	658'432 bytes
First seen:	2024-04-17 17:12:29 UTC
Last seen:	2024-04-23 13:53:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:TSWPxnsANqcSezgcDlgGZ9d5bzNmBorZpOaAXmne+Sdq2A2cWjoI9:fsWyytDl/bd5biorPAWnrSdOrA
Threatray	4'334 similar samples on MalwareBazaar
TLSH	T14DE4234A31A8FF77E4B5A7F2046645211BB4B253687BF3A01ED4A4C907FAF424C26B47
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	threatcat_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

382

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8.exe

Verdict:

Malicious activity

Analysis date:

2024-04-17 17:13:27 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/16f0ab24-89d1-46c9-a4dd-967a4b512d5c

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending an HTTP GET request

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:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/66200322c5dabc22b2017e30/reports/5d1ec63f-cdff-4bba-98d3-9425925f8906/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

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/cedd2200-0df9-415f-af42-5ec2e9fbce32

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1427554

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Contains functionality to log keystrokes (.Net Source)

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 Putty / WinSCP information (sessions, passwords, etc)

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

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-17 07:43:57 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 23 (82.61%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zjce2ta6vqgtizhjt5m2goi2uwdvokau2x56z7q5akwjx6cga3ua._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

AgentTesla

dec1092840220a627e2bf5aba68107a16f702c62d4edd4d6305f1a707cfb352c

AgentTesla

ef171f71804fe96bf375379c691e1f93b3fe38a3535b24f8f19d104e5eecf7aa

AgentTesla

+ 4'324 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240417-vrdz1shg3v/

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:

1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d

MD5 hash:

e4b5d57e9e46a4e76075b5b92f71577f

SHA1 hash:

d76dc165724148193c6911cc75fc62c198737d3a

Link:

https://www.unpac.me/results/07a53de9-e920-47a6-87d6-02fab87c0489/

Parent samples :

d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6

SH256 hash:

3e09fa414fc86812760253e5b6931914064be9c5470443fbac85c58c0dc7fe77

MD5 hash:

db205fca382c6ee86b55e77c322584c2

SHA1 hash:

9f97d558dbe4adbc3bbef25b331abd987a08f76e

Link:

https://www.unpac.me/results/07a53de9-e920-47a6-87d6-02fab87c0489/

SH256 hash:

2776e51a887b83537fda0b42d4966fc58fe114a7590df7207fd025fe7439eb59

MD5 hash:

7c2ab71e3040b5d92e703ce130b4922c

SHA1 hash:

7f6819e4c01748de5b3fd50ce3be624b04a5ba10

Link:

https://www.unpac.me/results/07a53de9-e920-47a6-87d6-02fab87c0489/

SH256 hash:

1403e7c01bf67c9ac15e1d9068faabdd21c05132cce0c517c69425db766ff140

MD5 hash:

48604cb653f2ceeaffb343edc9e4d780

SHA1 hash:

2047884ae5497f53e4006c8613baa0a4b8f5c255

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/07a53de9-e920-47a6-87d6-02fab87c0489/

Parent samples :

67a792fced715c64610c55d8c01b16d66080c10004ed572e664c324468afdd7d
31fea186e7379793d1d9b37d2a981ed0fb05d40ee7d62e227eac695106ebbe2f
d23bd1fbaae83547ec6aba06ad8b4eef5119bd4a0f66634a6726b6ccd5dc3c78
ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8
ef171f71804fe96bf375379c691e1f93b3fe38a3535b24f8f19d104e5eecf7aa
13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8
c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade

SH256 hash:

ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

MD5 hash:

83d5996cdae805e2caaea0c087163700

SHA1 hash:

2b69f4a9e66cb932f695fc0b004c81d34f3684d5

Link:

https://www.unpac.me/results/07a53de9-e920-47a6-87d6-02fab87c0489/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ca444d4c1eac/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

AgentTesla

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

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_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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 ca444d4c1eac0d3464e99f59a3391aa587572814d5fbecfe1d02ac9bf84606e8

(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