MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c. 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

Formbook

Vendor detections: 17

Intelligence 17 IOCs YARA 22 File information Comments

SHA256 hash:	6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c
SHA3-384 hash:	81be28f8c5d85c127a841f82907934fa7a26a4741b5eb0a60ed89110244113930bdf79597f14ea8d71daebf6b968722d
SHA1 hash:	19df5f5d45199bd6750213f668b3fc439fe34c3d
MD5 hash:	d899e8f66a08611cc030a5b8f248e7f1
humanhash:	snake-helium-arizona-coffee
File name:	TBN88-19062024=Devrez -Bunker Supply Tende.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	669'184 bytes
First seen:	2024-06-24 11:34:47 UTC
Last seen:	2024-06-25 13:26:50 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:2YV6MorX7qzuC3QHO9FQVHPF51jgcGUNaStorT8R/K6x6Ns8fWpax:1BXu9HGaVHLEuX8wax
Threatray	122 similar samples on MalwareBazaar
TLSH	T17CE423BE5F60DAEBC74841B6D867F71520174C82A7D4171E23E5BADD28FBB808DC9092
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	71f0c08888c0e070 (9 x SnakeKeylogger, 9 x AgentTesla, 8 x AsyncRAT)
Reporter	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

388

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c.exe

Verdict:

Malicious activity

Analysis date:

2024-06-24 11:37:35 UTC

Tags:

evasion ftp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/287e1cdd-b1eb-431f-9f4e-60a340edcde9

Note:

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

Detection(s):

Win.Dropper.Nanocore-9981549-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667959e7ff0cdfb06de5f09fwin7simulatehigh_evasion

Tags:

Redcap

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Creating a file

Creating a process from a recently created file

Launching a process

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

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

Stealing user critical data

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

AutoIt lolbin microsoft_visual_cc packed packed redcap shell32 upx

Link:

https://www.filescan.io/uploads/667959eaef9fdf64aa6e7938/reports/2e50667c-f1b5-4ee9-a825-8f2a684adf54/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c

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/ea0bee55-946a-4df7-b4b0-498a6e63250d

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1461602

Signature

AI detected suspicious sample

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)

Drops VBS files to the startup folder

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)

Maps a DLL or memory area into another process

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)

Sigma detected: Drops script at startup location

Sigma detected: WScript or CScript Dropper

Snort IDS alert for network traffic

Switches to a custom stack to bypass stack traces

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)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-06-24 11:35:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

27 of 38 (71.05%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nazp5svmrzg4vk272rplhjpxynwdosjafqynb5rghf6u66fgxbwa._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Formbook

0661b14dede4177390f62cf8804749651e97c6cb67c51df7fae6996fcf0ec1a3

Formbook

3656375c71986015e3c67ae98baa0e3ccb6a5bf4676fb7a336cb41e50b094a8d

Formbook

4afa99f3b34877cefef636c3a1f4a4360c06df2c31352a9852f30631f20e5bbe

Formbook

96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce

Formbook

+ 112 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan upx

Link:

https://tria.ge/reports/240624-npz15szdnb/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

AutoIT Executable

Suspicious use of SetThreadContext

Adds Run key to start application

Looks up external IP address via web service

Drops startup file

Executes dropped EXE

Loads dropped DLL

UPX packed file

AgentTesla

Unpacked files

SH256 hash:

38717d461204a07463fbcad301de5969be83f15565fff8ce4c91296043fb09ad

MD5 hash:

e707b6ff8ff1f6dd5d00cd0769adf58e

SHA1 hash:

914df055b0698f4f54bf3a6e8f5d9a3842816917

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/f29c6836-681f-457e-98e6-a3b82e071ed8/

SH256 hash:

a45564e3d819d24e623aac832ee14d16dcd9d5e4103b2d25db24704a5acb0aff

MD5 hash:

4a956d6d0f22dce4af43b33a27e14642

SHA1 hash:

2df2ff4f69147124d1efa43a82f3df0fd9d4b1f5

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/f29c6836-681f-457e-98e6-a3b82e071ed8/

Parent samples :

615220f794e0a78c563dcec24f6ddfe01fc518a720ed3231f0cdd8733247fcaf
6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c
c706b47a78e2a871ea982d484c472b990b11b189699f0f960c844ce3f04e1438
88459a275556c6eae4a7edc60cb8fa25648b61923eaac868088bbe09d5b26263
1eea65e562b016e0a3f5c52bb215c107879fc4392803d8f0a8fcf437788bf919
2fecb7a4fb00b9056d0c55828aa20e68a7de8372f0db8bc7b5a63fe9d9b35eec

SH256 hash:

6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c

MD5 hash:

d899e8f66a08611cc030a5b8f248e7f1

SHA1 hash:

19df5f5d45199bd6750213f668b3fc439fe34c3d

Detections:

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/f29c6836-681f-457e-98e6-a3b82e071ed8/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6832fecaac8e/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/6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c

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_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:	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:	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_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

Formbook

exe 6832fecaac8e4dcaab5fd45eb3a5f7c36c3749202c30d0f626397d4f78a6b86c

(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
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::GetAce
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetUseConnectionW

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