MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1. 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: 13

Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash:	fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1
SHA3-384 hash:	58b7f1e4c34945c20881e82ed6b39a2517b22c4698ca5bfd0e2fd1069d2ef6961fe9d63f58a2d2860461096cac0597d3
SHA1 hash:	3b918c1736b190b5f746e1f198afa8568a898b6c
MD5 hash:	537dfaa087180ce7b6f73d4491ddd2a5
humanhash:	equal-ceiling-papa-michigan
File name:	solicitud de cotización0089.xlsx.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	752'640 bytes
First seen:	2024-01-31 15:05:04 UTC
Last seen:	2024-01-31 16:30:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:sYV6MorX7qzuC3QHO9FQVHPF51jgcaBA1T+l1iJX+uhV4/8qwr91SCQ9dh:LBXu9HGaVHaBCU1WhV4uDSn1
Threatray	11 similar samples on MalwareBazaar
TLSH	T1EFF4D0C674422486D59B26F9ED0EED9078265C2DBCB2611F6233BD5EF773293046A20F
TrID	31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10523/12/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	9671e896d4c0c4a2 (2 x AgentTesla, 1 x RedLineStealer)
Reporter	malwarelabnet
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

419

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

solicitud de cotización.eml

Verdict:

Malicious activity

Analysis date:

2024-01-26 21:46:27 UTC

Tags:

evasion agenttesla stealer

Link:

https://app.any.run/tasks/8ea70a24-4853-4050-bc58-4fdde085d376

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Packed2.46129.24352.10094.UNOFFICIAL

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/ffc21d55-6314-4723-8a7b-a3320c448e9e

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1384170

Signature

Binary is likely a compiled AutoIt script 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

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

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

Sigma detected: Suspicious Double Extension File Execution

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)

Uses an obfuscated file name to hide its real file extension (double extension)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-01-26 19:52:20 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7qs23bvy7pht54lfrgagacosajnzqsnav4ef46ci3ksvio62xkyq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

7e924017dc6019c756ee6dd390babd32bef51fc7aa0722c18a65b8d2260056d6

AgentTesla

e47adcbfc33657d6751d44bde7860ae8e46fdc0aa328614d2adf27fe3e32720b

AgentTesla

ee69b74d0f0dd59fcd87304863626efb727ad6255bc29a7d48b7a441390dff1a

AgentTesla

fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

AgentTesla

+ 1 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan upx

Link:

https://tria.ge/reports/240131-sgqjysgegn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

AutoIT Executable

Suspicious use of SetThreadContext

Looks up external IP address via web service

UPX packed file

AgentTesla

Unpacked files

SH256 hash:

2721334b6e632df9c325337f43656c1e2ed4afb5e0e1e1b74a55055346d3200e

MD5 hash:

7b42afaa8d13acf084d3784cbc0bd4c2

SHA1 hash:

dfe0a822cda6a2a90d503eaa53c057573ee7ab32

Detections:

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

MALWARE_Win_AgentTeslaV2

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/2617a574-cc92-4b80-842d-19acbc65a3c7/

Parent samples :
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SH256 hash:

0a9477f450fc9fd393d23c6794dd717d1b45d26c91ec8f23948cd5dcad2af697

MD5 hash:

e11f3241f66e25b855d6408d368588a9

SHA1 hash:

1977c1d7dde5deaad8e4e69bff85d6c89e11bd7b

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/2617a574-cc92-4b80-842d-19acbc65a3c7/

SH256 hash:

fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

MD5 hash:

537dfaa087180ce7b6f73d4491ddd2a5

SHA1 hash:

3b918c1736b190b5f746e1f198afa8568a898b6c

Detections:

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/2617a574-cc92-4b80-842d-19acbc65a3c7/

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/fc25ad86b8fbcf3ef16589806009d2025b9849a0af085e7848daa5543bdabab1

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:	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:	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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security

File information

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

No further information available

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