MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f. 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: 16

Intelligence 16 IOCs YARA 19 File information Comments 1

SHA256 hash:	1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f
SHA3-384 hash:	889093046609f6d9b5ad5d1d4535959d6b9c51cf1891c24a9b53039307955860ccbb146cee868d1ad3c843b474aca743
SHA1 hash:	ad5bbb50db782c3200e4bf41183d19823e78f5b2
MD5 hash:	6cfb9d303aacc366473e5d7846ed6140
humanhash:	september-december-earth-arizona
File name:	6cfb9d303aacc366473e5d7846ed6140
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	678'408 bytes
First seen:	2024-04-16 08:43:38 UTC
Last seen:	2024-04-16 13:11:32 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:KaAvgzT370Mzl+ZtakghHJAm13QDY6v81XbNz69k4GoajFX601569Mum6zrZ8KXC:KMB+/ghHJNQDYBXbNz69kVocFH1M9Fmf
Threatray	1'138 similar samples on MalwareBazaar
TLSH	T1A8E42228B3AD9742D2BDC7F8A86584064F72740B6936C39D1CC0B1DA7DD2F60C64AE4B
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	e9e098ae9aba8ab2 (12 x AgentTesla, 2 x Formbook, 1 x DarkCloud)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

299

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f.exe

Verdict:

Malicious activity

Analysis date:

2024-04-16 08:47:11 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/68daead4-366b-4af1-8c4d-d98a9b86d5dc

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

Reading critical registry keys

Setting a keyboard event handler

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:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f

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/fbec9c6f-4b76-4e60-8271-60aa2e60674a

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1426586

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Loading BitLocker PowerShell Module

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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/1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-04-16 01:26:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 23 (95.65%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=debpsonhj5sjnaw4bveew2yqdocv3yqfhtlkorjv3news6xpjqpq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

9bb6d4c861ecd64a1b4df7e1335eb5e4f3922aaf2e9f7ca8d9a608f49fd5787e

AgentTesla

d42df773a5031e58adb497c874fcf6d5b723aaf6eadd29283a834a08d9cf712d

AgentTesla

d965c77ee44072fa2e0dd4bf339a30f44f816de49608a4bc71fc9d59280a3749

AgentTesla

+ 1'128 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240416-km58lafe4z/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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:

ebf15e82c93f6bc50a41b6ff6a67bf61e41312e7f1f93953e159a7e4eaa91eec

MD5 hash:

886c56d27cff51001f044c8058ba9fb4

SHA1 hash:

df9d9ed94eb5f484e64800f03cc4e08e7e8a2e6a

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_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/172a5c7d-5b4b-4610-8091-299c508dac34/

Parent samples :
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SH256 hash:

5688052489392c2ca7179722bfb5ad4883db768cbad0d344c329dff69ddde94e

MD5 hash:

990f3e5448706e10108c3108971d07a5

SHA1 hash:

cf0011a08216722addbb5634c09be07e3691b872

Link:

https://www.unpac.me/results/172a5c7d-5b4b-4610-8091-299c508dac34/

SH256 hash:

1fb841b7910af0a46481cc8809c428c7d184182f89689975aeee5f92adb4dc14

MD5 hash:

e7b2f3a035aba0f0d1da015ded9ee5f6

SHA1 hash:

9dabd364c94c8f7f221793a2a83e8c59ae03f787

Link:

https://www.unpac.me/results/172a5c7d-5b4b-4610-8091-299c508dac34/

SH256 hash:

1ac6172128ab88b1c0a5ccc2f69a71423a882aaa58f2fec8727389463c9a6b27

MD5 hash:

7ab8a1e3fe2b0d4c1a6494fa88dd795e

SHA1 hash:

403f8d15e8cfea75d45619125008a97612319bef

Link:

https://www.unpac.me/results/172a5c7d-5b4b-4610-8091-299c508dac34/

SH256 hash:

1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f

MD5 hash:

6cfb9d303aacc366473e5d7846ed6140

SHA1 hash:

ad5bbb50db782c3200e4bf41183d19823e78f5b2

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/172a5c7d-5b4b-4610-8091-299c508dac34/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/1902f939a74f/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/1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f

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:	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_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_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_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.

Web download

AgentTesla

exe 1902f939a74f649682dc0d484b6b101b855de2053cd6a74535db49697aef4c1f

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2813845/

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

Comments

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zbet commented on 2024-04-16 08:43:39 UTC

url : hxxps://covid19help.top/xobizx.scr