MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2. 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: 16

Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash:	1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2
SHA3-384 hash:	385adff0a05c909c3bad96d1b0c6673e8dc323641b1cd634b8690e3499d65d527fd8af63d004e898b3046517df3b8e37
SHA1 hash:	fa13ad7c3692b0db7d1f6527c78e17ce54598822
MD5 hash:	3000187ab40ba4f6923d6472a78ad184
humanhash:	network-kitten-oregon-bravo
File name:	Shipping Documents – BL+CI.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'000'448 bytes
First seen:	2024-04-30 10:40:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:cfx/MQ4y0ueWFm+7UaQvRC2xACDqctq8hAVh3H3mSWIXEBNBQ2YjBqwgacPeOsig:Y/MQ4uRFm+psRC2hh2VbWBNBQvMwC1q
Threatray	846 similar samples on MalwareBazaar
TLSH	T1CC259E88F540759DCC1ADB319935CC3096227DBA563AD20E24CB3D6B7BBF6D78A110A3
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter	abuse_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

334

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2.exe

Verdict:

Malicious activity

Analysis date:

2024-04-30 10:52:05 UTC

Tags:

evasion smtp agenttesla stealer

Link:

https://app.any.run/tasks/eba67ca5-bf80-45f2-9054-51c738345480

Note:

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

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

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

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a3c53f8b-e9f6-4b0f-8a1f-20fc3c8b0ee0

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1434006

Signature

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

.NET source code contains potential unpacker

.NET source code contains very large array initializations

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)

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

Suspicious powershell command line found

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 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)

Uses schtasks.exe or at.exe to add and modify task schedules

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/1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-30 03:42:09 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 38 (50.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dq26qi2lzp2q4ou4u4gnydipuarz3jncyun2s2p5gn2kknay5pba._file

Verdict:

malicious

AgentTesla

18f44886b9280533487b58a1feab7a3ebb463718417109643467315250b460b3

AgentTesla

284092cb29336588fac75588e50be87973099b1cefd029d644036a56bfcb8b82

AgentTesla

433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb

AgentTesla

b1930e02b9dd0ed9f33b15cb20b6212c54854d5bf5045696c73572ecec373395

AgentTesla

+ 836 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240430-mq39hsad5v/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

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:

434d3e351af96b4470ee6b6a5763a1981961dda37f5e94d07882aec8f78e23a2

MD5 hash:

210c227a909abd356e22606a20f36080

SHA1 hash:

c206e2645af8c6fffb3419be9131463503bb3b81

Link:

https://www.unpac.me/results/6d593f70-af09-4968-a2d2-36d04fbbb44b/

SH256 hash:

23cbd43a5720614474092b67dc5c4076401dfd324a17bbb64015ec66ab3059ff

MD5 hash:

238831f4263b98c282f63155f4899584

SHA1 hash:

9baf4738bdc6c93d49a8835fdfdc335ee1fb742d

Link:

https://www.unpac.me/results/6d593f70-af09-4968-a2d2-36d04fbbb44b/

SH256 hash:

bf24e3d51b96eb9687fbd9107df383008c95d18244300d0f2270864dea830dd7

MD5 hash:

9b65b3f5b4b6df39b0655be15b23f50c

SHA1 hash:

52a81b7d5377d6aa7a5ef4565b9266c73fa9dd4b

Link:

https://www.unpac.me/results/6d593f70-af09-4968-a2d2-36d04fbbb44b/

SH256 hash:

9ddc829df188f81ace8bd2a00e3358e24909f98363c4405eeba8c9237f74db6c

MD5 hash:

eac7ff4dbd439ecc7f977eb4d1773160

SHA1 hash:

2926d00283d397930806b059c6cea19ff84a20aa

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/6d593f70-af09-4968-a2d2-36d04fbbb44b/

Parent samples :
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SH256 hash:

1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2

MD5 hash:

3000187ab40ba4f6923d6472a78ad184

SHA1 hash:

fa13ad7c3692b0db7d1f6527c78e17ce54598822

Link:

https://www.unpac.me/results/6d593f70-af09-4968-a2d2-36d04fbbb44b/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1c35e8234bcb/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/1c35e8234bcbf50e3a9ca70cdc0d0fa0239da5a2c51ba969fd3374a53418ebc2

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:	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:	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_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.

No further information available

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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