MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937. 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 19 File information Comments

SHA256 hash:	489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937
SHA3-384 hash:	f2b8847ecf0164181791e3c58dc1f7a64f7beb0c84cb59c5b01627c99371f2d2408b3558d4dcd70af9842cd55c000ce0
SHA1 hash:	93127a9e638b8b521c958565ea0fe50e03eb50b5
MD5 hash:	6868b14c829d69b2e7b9f10c14197469
humanhash:	finch-music-venus-south
File name:	SOA.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	700'928 bytes
First seen:	2024-04-08 06:52:03 UTC
Last seen:	2024-04-08 07:25:30 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:hrGFm/1COTt75xa/prOy0hIZAA9Y7jYQQNMokNkm5cmGhk:hrGiIO4+eFUh0MokNfcmGh
Threatray	3'940 similar samples on MalwareBazaar
TLSH	T10DE42309536D8247ED7E07BB907815069735E70A28F2F2E869F835FB1FBEB1A001534A
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	3068c4a2badc6830 (1 x AgentTesla, 1 x Formbook)
Reporter	lowmal3
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

298

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937.exe

Verdict:

Malicious activity

Analysis date:

2024-04-08 06:54:44 UTC

Tags:

evasion agenttesla stealer

Link:

https://app.any.run/tasks/b43212d5-8578-42b3-ad88-e15edf0786af

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

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

Moving a file to the Program Files subdirectory

Replacing files

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6613944facb99fc8ffbbc01b/reports/6388b0e2-8307-4da7-8ab0-ec0ab4b609bd/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937

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/b4756af2-c8fd-4a88-a7eb-6712ef75610e

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1422024

Signature

.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)

Found malware configuration

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)

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

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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)

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

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/489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-04-06 07:47:54 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 23 (69.57%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jckhpr55jemmkw74okcnm4xmr4vqozw7x2dyrt3e3pzbt3iyle3q._file

Verdict:

malicious

Formbook

6fd8e845cfa1bf8f809f0f372c2d4e955c6a3b6c0e88fb8f474a2645f587ecf0

Formbook

cd477b7ce28707ff2a532ddf8054f743f0a5ac7cf31a01ae96fe55e089f82955

Formbook

ce213fe45b524d85486c2f3956e17a333b2d8ecbf1d73078bf56014cc1c7702c

Formbook

+ 3'930 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240408-hm4zesbc5t/

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:

d45cb1322fe25db92d00a477e30c1313302b639d4955dfaba17dd0af205c6c99

MD5 hash:

82c1a024c3f496e3106d900329b64de6

SHA1 hash:

cc2d8e03ef03ca19b873bbef2ada39be4e1497b4

Link:

https://www.unpac.me/results/9e5a48e7-ffa8-428d-adcf-3a891b71157b/

SH256 hash:

f54126895146fbd50df7764e50eea23e4f5fb2fd4415ec9209c494307943a967

MD5 hash:

6bb18e5e701185b2638ccfeeb86d477a

SHA1 hash:

c63cf887148792d9e2c945bb80b7ce56eff0a31f

Link:

https://www.unpac.me/results/9e5a48e7-ffa8-428d-adcf-3a891b71157b/

SH256 hash:

5d12792747535225c2f041b46e03900b8d150024c44a2ef74d14c022e62b7adf

MD5 hash:

cc4a85a9823e1d5455d02050dab82933

SHA1 hash:

89311c5edcd807cbf5a5383657b4d58dac9d7dd4

Link:

https://www.unpac.me/results/9e5a48e7-ffa8-428d-adcf-3a891b71157b/

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/9e5a48e7-ffa8-428d-adcf-3a891b71157b/

Parent samples :
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SH256 hash:

489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937

MD5 hash:

6868b14c829d69b2e7b9f10c14197469

SHA1 hash:

93127a9e638b8b521c958565ea0fe50e03eb50b5

Detections:

INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File

Link:

https://www.unpac.me/results/9e5a48e7-ffa8-428d-adcf-3a891b71157b/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/489477c7bd49/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/489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937

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:	BlackGuard_Rule Create hunting rule
Author:	Jiho Kim
Description:	Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:	https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection

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_Embedded_Gzip_B64Encoded_File Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing bas64 encoded gzip files

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.

Malspam

Formbook

exe 489477c7bd4918c55bfc7284d672ec8f2b0766dfbe8788cf64dbf219ed185937

(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 (GUARD_CF)	high

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