MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906. 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: 20

Intelligence 20 IOCs YARA 23 File information Comments

SHA256 hash:	a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906
SHA3-384 hash:	4b5a279b7baaa9aa568a3c65e8af53a472c5ecade00439f1103732918d8d52a116af12de368b4132d165074339ae63e7
SHA1 hash:	4cf4e04849323af8887c0dc898c4327de1f98d40
MD5 hash:	cb2c68b7778c7fb7258bb233500830f5
humanhash:	cardinal-oregon-double-bulldog
File name:	CN-Reminder-XXXXX9062-1018022025073000000143265712300kbpdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	728'576 bytes
First seen:	2025-04-30 13:21:54 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:RT0qTGpI9KYg18N0yXrqTUze3BL2VVX3BOILNkHuydTQ9g9jEv:RNTFOSwNwVjyq9aQ
Threatray	3'420 similar samples on MalwareBazaar
TLSH	T188F401986745EA03CAA94FB81B31F274537C1DEEB811E2075FD86CFBB972A054D18683
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

519

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

CN-Reminder-XXXXX9062-1018022025073000000143265712300kbpdf.exe

Verdict:

Malicious activity

Analysis date:

2025-04-30 13:25:50 UTC

Tags:

stealer evasion ftp exfiltration agenttesla

Link:

https://app.any.run/tasks/210718e1-a627-4c36-b346-a91b5039b961

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/5233/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=681224d8cc5fb3600cc5343e

Tags:

spawn shell lien msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

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 an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/68122400218c4a98ade96317/reports/8930a5ec-a7ea-448e-a823-7107f2d342da/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/14db8b77-3731-478a-8ea1-37840f8a11e6

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1678156

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, 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/a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2025-04-30 06:45:29 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uogel4yhslw4dod4vtw2yku7hoc5psmrqrtungx6eg6k7xjffeda._file

Verdict:

malicious

Label(s):

unc_loader_037

agenttesla

AgentTesla

8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6

AgentTesla

a32812ea87167fe0a9275823f6c873984de4dc7ece43895f02a175826aeecdce

AgentTesla

aba4d6ba306deaf02c3122060facf7e11d19da806321ac993c42461d4e9edcd7

AgentTesla

e9faca7e44847bde376839999ff7491a3ffb0409f47e170560a64fa878ebdb55

AgentTesla

fa54825b8b94917037cc1620eb21421f9bd31ac394f396c1fe80546e4ed88dfa

AgentTesla

fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

AgentTesla

+ 3'410 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250430-ql8j8azsby/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/f1226aa9-e993-4c8f-88a9-35f525570300

Unpacked files

SH256 hash:

a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906

MD5 hash:

cb2c68b7778c7fb7258bb233500830f5

SHA1 hash:

4cf4e04849323af8887c0dc898c4327de1f98d40

Link:

https://www.unpac.me/results/e8481212-cf1f-4792-aac1-7d075d4b670d/

SH256 hash:

6970095d5173c9134557d71d92295939d78e1583fdecdf9e3f8aaa2fe5d333eb

MD5 hash:

0cc5ea735ff890aa03ac239ef7464fad

SHA1 hash:

4f7680b292f703841db41429bd62da95d1919bd3

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/e8481212-cf1f-4792-aac1-7d075d4b670d/

Parent samples :

dfae325223b17a4c65ea52dd31263dca38c50b48e814696ce39e871fffce8cd5
c21ea61a25ec98591e132294aa244adeb9467d4c7abc0c6df772dc1d662f4b84
5271c1a2883919c00e117de2efd6832ebbac3faf78dd2bf79641a550dd244398
00acb9001a79a01c5d9c778358ee84d4c805f3c8e9c90e2c4df0601628911768
a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906
3b503cbefbeebf2ad4cf94bb8313866c7044ef5305926e642303ee86bc046f08
02d8cabe83c9b8ea4eb3785b12a15d80759b0ecca8df625d4c03e6f1712b76b8
397fd4c05cdd242e25190a06570e35bb2ce3efe5d64193749bc768257c39bccd
19ec5eb482aac74018cd2b014d941a242792312c809d90be93288afb09330ac7

SH256 hash:

c49a815587d66b28d3d3673f2eb68209368c2dd562295bf1d1a8527d5bcda878

MD5 hash:

fbc4a95ea02e37b4abedc2d6eb4fbb97

SHA1 hash:

a3aca9445cab9fda34bd6076cceac9f0b6032409

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/e8481212-cf1f-4792-aac1-7d075d4b670d/

SH256 hash:

c2b9eeafb701136dbd6320eb96cb6d4cd56fc5a87bfcc0804440c27bbe535b39

MD5 hash:

9073234053e12144dc95bda8889b5bb6

SHA1 hash:

aedd92c2fd3f80275e4f33a5518822a74831258d

Link:

https://www.unpac.me/results/e8481212-cf1f-4792-aac1-7d075d4b670d/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a38c45f30792/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/a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906

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

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:	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_779cf969 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 a38c45f30792edc1b87cacedac2a9f3b85d7c9918467469afe21bcafdd252906

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/5233/

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

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