MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
SHA3-384 hash: ca992ddd86e28eaf43227eaca7fae3aa02d9ffa18cabd02186114290c870147e368bf6f2f3bd6abc95541a32bcad6d6b
SHA1 hash: fe0bf336ae3593e045d91f52eacffdcfa904546f
MD5 hash: 15f7f575ba6fb12e5f31a6aae811cf9b
humanhash: gee-king-arizona-hawaii
File name:rDZIq6iYcvhtliWj.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:699'904 bytes
First seen:2024-05-13 11:16:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:OVfC82GeLAfH8xAm7RYP36/tPqWqcC9LeDjfIjtmEMtfPAgE2Cu9Rhu:582G51m1YPK/ti9cC9LeDrIJmE4wJ2Cl
Threatray 4'354 similar samples on MalwareBazaar
TLSH T15CE4125932B51F3ADFB893F89171A1081BF6A63744A0D31C8CD354E709B1F980B92E6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
320
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee.exe
Verdict:
Malicious activity
Analysis date:
2024-05-13 11:17:44 UTC
Tags:
smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/d5e727dd-8397-4ffb-bc8b-a90e9a935f42

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Trojan.PSW.MSIL.Agensla.gen.233922.UNOFFICIAL
Create hunting rule

Win.Packed.Crypterx-10029784-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a2dd71b-c826-4178-922b-55596be2b9ac
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1440477
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-05-09 10:12:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xd2rlgshjn56oimnau67a6k5gjshj4wv7dpo75wdrviudu7m2txa._file
Verdict:
malicious
Similar samples:
13bfd259e12305e8bed58c8d7f83a000163e276d71e999a322ee992f88447c78
AgentTesla
3509383dbd13a16f6b7414d1488229b6284b47b1f88aa902b75b8b0b2ee21d86
AgentTesla
84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c
AgentTesla
945a58904c4e277f5e24b02038a8ead79d51e25ce43aff2c1206f22cacce9bf2
AgentTesla
ad69e7f10266ceca6bf4a854570ab0c4017bd35ed8d63499f7567b393d2dc410
AgentTesla
b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
AgentTesla
+ 4'344 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240513-ndp2ssch53/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
295be96347c3ee2a2ba7f10e88267274d7b0c5cd7dcf14108f76ac03c5130520
MD5 hash:
35292829892ad204f2eb60fe087d3d3c
SHA1 hash:
c1729353c32c4620a835dd417076a2413fc8f675
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/9c2c2dcd-7d26-43a4-b2c4-5bbea4952d9b/
Parent samples :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 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/9c2c2dcd-7d26-43a4-b2c4-5bbea4952d9b/
SH256 hash:
0b90d0f137f3cf00ee76a680f6ed6f7bfd8c03b03581daa762f2f302fd30d3e0
MD5 hash:
2d364f5be4f7016b8901c636f84a55b5
SHA1 hash:
8ea97b71577780ba4981a36693a81d3ff229010c
Link:
https://www.unpac.me/results/9c2c2dcd-7d26-43a4-b2c4-5bbea4952d9b/
SH256 hash:
3905023b3a640fa7f63e3f11a22267c4bb3fd8e02d92ebbd8060e3a575d6a268
MD5 hash:
c48f805bb9bde9e7fa2b6c3bdf4e0819
SHA1 hash:
28b5bfbad11ab408378be607930edac466c3c5cb
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/9c2c2dcd-7d26-43a4-b2c4-5bbea4952d9b/
Parent samples :
42e69fc44f2297e224265744844a54f5c7d89850b5ed05242586b70d37750eb9
b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
ac3782eda0c8d48d7a974dc5bb70aa9e8c0fdf949cc842a0bef212c73f9b1951
74b4186d2a3d04334ed8cd7ff77b5f8c9a6d7873fd12952dbb8561a5135b803d
SH256 hash:
b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee
MD5 hash:
15f7f575ba6fb12e5f31a6aae811cf9b
SHA1 hash:
fe0bf336ae3593e045d91f52eacffdcfa904546f
Link:
https://www.unpac.me/results/9c2c2dcd-7d26-43a4-b2c4-5bbea4952d9b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8f5159a474b/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/b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

File information

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

Malspam

AgentTesla

Executable exe b8f5159a474b7be7218d053df0795d326474f2d5f8deeff6c38d5141d3ecd4ee

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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