MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9. 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: 18

Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash:	d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9
SHA3-384 hash:	8a4a776b50b8a226b4cfd29700081cb077701223836f43b6ce26d9ec02217c63c4e0dc1171c2390fac01ae63e0926c5f
SHA1 hash:	15c5c7719a5a239b35bf475ba055c1b40427b1ba
MD5 hash:	ebee9772b520e83049dd3a6265f7f33c
humanhash:	jig-coffee-texas-arizona
File name:	171-REV_GIVAROLI IMPEX_Testo 2705_2024.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'013'256 bytes
First seen:	2024-05-28 08:25:53 UTC
Last seen:	2024-05-28 09:26:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:aNyNw7bjmYYN8IPsGtu1ZGODukcHeselo/+OY:aNyN8boKIPsxx6HHrelo2OY
Threatray	1'126 similar samples on MalwareBazaar
TLSH	T17A25230231545F08EEAA5FF645A856D69BB2F26B1860D22CCCE634CC2D5DFE0D252B1F
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):
dhash icon	00d0d070d0607000 (6 x AgentTesla, 6 x Formbook, 1 x RemcosRAT)
Reporter	NDA0E
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

363

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9.exe

Verdict:

Malicious activity

Analysis date:

2024-05-28 08:28:13 UTC

Tags:

evasion smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/c6c62dfb-bd98-48a2-b187-4b9ebf571a80

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Packed2.46841.27704.894.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=665595285721c8e527178128win7simulatehigh_evasion

Tags:

Encryption Network Static Gensteal

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

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

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

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/6655951f9c0b71aaf52a0b8b/reports/ebe01474-f166-439e-9273-9870cf013f2b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9

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/bae9f035-9169-4555-bd96-ca2d326fc17f

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1448443

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

AI detected suspicious sample

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)

Injects a PE file into a foreign processes

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)

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)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-27 10:57:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2nmjgtbbcl3pxxk3oma7wlica433m62p5vvlax2fhfleanoji7mq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Formbook

b21fd8f1e6d375cb3fbfedc7b2c792bcd7103620deed883d390f94f88e29d412

Formbook

e0046a68adc340b6ae02f1c8924316dd2b914e38f80df71b3453e65d23d58999

Formbook

f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f

Formbook

+ 1'116 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240528-kbvbysce5w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e17fa9b2-b0bf-4ab5-8040-887347424554

Unpacked files

SH256 hash:

1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe

MD5 hash:

ceb52a5c98659e8905ea76737fe00c01

SHA1 hash:

bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694

Link:

https://www.unpac.me/results/28021e94-2189-4ec9-9232-fd86247d5968/

SH256 hash:

32c209f2a6369f5bd203a36263a9c243947f0e61da9ef0de068ad1117a9108f0

MD5 hash:

8d1fa59e56a1e6a12aa52f40c4890050

SHA1 hash:

2064eb9d04cb6ca22390df04ec7c214a5642b3ae

Link:

https://www.unpac.me/results/28021e94-2189-4ec9-9232-fd86247d5968/

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/28021e94-2189-4ec9-9232-fd86247d5968/

Parent samples :
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SH256 hash:

f2af3045100e90708b5a0add8853654e9d4506bbf8e6badae1f76f055b6938f9

MD5 hash:

3542180baeca8c77c5c0c6396a017466

SHA1 hash:

17167c18cb307c8fecf598dfd169377898c71f0b

Link:

https://www.unpac.me/results/28021e94-2189-4ec9-9232-fd86247d5968/

SH256 hash:

d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9

MD5 hash:

ebee9772b520e83049dd3a6265f7f33c

SHA1 hash:

15c5c7719a5a239b35bf475ba055c1b40427b1ba

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/28021e94-2189-4ec9-9232-fd86247d5968/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d358934c2112f6fbdd5b7301fb2d020737b67b4fed6ab05f4539564035c947d9

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:	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_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

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:	NET Create hunting rule
Author:	malware-lu

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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.

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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