MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678. 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: 18

Intelligence 18 IOCs YARA 17 File information Comments

SHA256 hash:	f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678
SHA3-384 hash:	732e594719550f8e512804b79472fe9be2381a4667e17e68891b6c183dc8cb998ad0ef9819087b44f1dada7215a9e25b
SHA1 hash:	1ee4bbea603845555ff876570c252fb2359af5f0
MD5 hash:	c8abfd532a42ea366b12a6589b20e059
humanhash:	charlie-carbon-table-missouri
File name:	f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	460'800 bytes
First seen:	2024-04-03 12:57:13 UTC
Last seen:	2024-04-08 07:50:27 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:QGOzvLvzFvHJGPN5MP7r9r/+ppppppppppppppppppppppppppppp0G:szvLvzFQk1q
Threatray	4'420 similar samples on MalwareBazaar
TLSH	T1E2A42042BA44D710D9587B3692FBDC3413727CDA1632850E2FCD7E673AB62825C2A72D
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	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

302

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678.exe

Verdict:

Malicious activity

Analysis date:

2024-04-03 13:20:19 UTC

Tags:

evasion agenttesla stealer

Link:

https://app.any.run/tasks/1a067b4e-c4a6-4a79-bbd5-43260a103de4

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Reading critical registry keys

Sending a custom TCP request

Creating a window

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Forced system process termination

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm evasive fingerprint hacktool hook keylogger lolbin remote stealer

Link:

https://www.filescan.io/uploads/660d5265d463a7b0477deb5c/reports/127be635-08e7-4157-a2e4-c47b6d8ab741/overview

Verdict:

Malicious

Labled as:

Ransom.Loki.Generic

Link:

https://www.hybrid-analysis.com/sample/f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678

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/b1633022-91e4-4876-acdc-f942c5436de4

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1419419

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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

Hides that the sample has been downloaded from the Internet (zone.identifier)

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

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)

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

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 Putty / WinSCP information (sessions, passwords, etc)

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

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-04-03 12:58:11 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7h3aozcmxtlg7xh27chlncpntvofxlkoo4hl566xbdiflyuiyz4a._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

56186e8da853b2cabf3e4679d54e6d0218230de21949efbbd46744d1c241e6be

AgentTesla

7f5e6cadb517db4275cd55b46147e4a6fa05e4886529113938ace62eac3bc211

AgentTesla

844a5da9df7b604b6f85ca154026f32842425c57cdbdcd68cc6dc00d05dd1f29

AgentTesla

f6d215e3634092bf878a66f048b32e03fe932a68a231906b8bbf9b45887bac4b

AgentTesla

+ 4'410 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240403-p7hp9add5w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Adds Run key to start application

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:

f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678

MD5 hash:

c8abfd532a42ea366b12a6589b20e059

SHA1 hash:

1ee4bbea603845555ff876570c252fb2359af5f0

Detections:

AgentTesla

win_cannon_auto

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/354ede70-2879-4315-a277-ec408ac4d12d/

Parent samples :
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Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f9f607644cbc/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/f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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

Rule name:	win_cannon_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator

File information

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

Malspam

AgentTesla

exe f9f607644cbcd66fdcfaf88eb689ed9d5c5bad4e770ebefbd708d055e288c678

(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

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