MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d
SHA3-384 hash: 4c06453d2f468f208b3bef57d9d1d68f980059f4ab1b4434f01ddbd2fa1b095b6d5c65dacdcfba696067cca480187bed
SHA1 hash: ad02462c10730a665c9acf349d40cc04941b508e
MD5 hash: 355588f523a34a1593adc222a14b5c2f
humanhash: washington-oxygen-batman-undress
File name:rNew_PO178391922RFQAmended.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:720'896 bytes
First seen:2024-05-16 06:18:44 UTC
Last seen:2024-05-16 06:33:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Q0pei36Ri6n/dAIKi1RkBHlyogUq9rTt/bpYU8iOUpga7:Tpp36wsmcIzzgB95b6HiOUpp7
TLSH T148E42344377F8934CBAE8BB1A4F6B4110E7A211A50D2D74EECCC92D88373D45E946B6B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0074696971796400 (7 x AgentTesla, 6 x Formbook, 3 x Loki)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
371
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 06:21:17 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/507b1951-d19a-447c-b2f5-d81430132440

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.12749.14086.UNOFFICIAL
Create hunting rule

Gathering data
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
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6645a55bd5791e8ce287e21c/reports/450c42e9-d050-430e-af40-dad6d2d65ac4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2abfc279-88fb-48be-a33f-ba32b8aebd59
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442433
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 domain / URL
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 ftp login credentials
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442433 Sample: rNew_PO178391922RFQAmended.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 44 mail.commtechtrading.com 2->44 46 commtechtrading.com 2->46 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 10 other signatures 2->56 8 rNew_PO178391922RFQAmended.exe 7 2->8         started        12 nDBDGDuWCNCp.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\nDBDGDuWCNCp.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8050.tmp, XML 8->42 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 rNew_PO178391922RFQAmended.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        28 2 other processes 8->28 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 22 nDBDGDuWCNCp.exe 12->22         started        24 schtasks.exe 12->24         started        26 nDBDGDuWCNCp.exe 12->26         started        signatures6 process7 dnsIp8 48 commtechtrading.com 173.236.63.6, 49710, 49713, 587 SINGLEHOP-LLCUS United States 14->48 70 Loading BitLocker PowerShell Module 18->70 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal ftp login credentials 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 02:52:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=owtcw377gk4bgey5kx66sds6wuubrq5timchczae2i62xcnjbogq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240516-g26wwsfe81/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
417ac1a4aec0f688c4dacac2708e06ebb37949509cceb3c41d6823a90b9664be
MD5 hash:
71ccd0e3fbe4496ec55fb4c9fcfc0b07
SHA1 hash:
d36349a1f34b49a57e32ecaa659da89cad40d239
Link:
https://www.unpac.me/results/bbaa6185-b4f5-48f1-ab7d-f532a111b2d5/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/bbaa6185-b4f5-48f1-ab7d-f532a111b2d5/
SH256 hash:
4f9e76a2dcfeb9f3399243bfbb2884718af6ef049e4f91e06147e922eb847797
MD5 hash:
9a65b87dc4c95fe0f6fa4b941930444a
SHA1 hash:
85eb5e28f35a8d565a78347f462c6d3d906f03d6
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/bbaa6185-b4f5-48f1-ab7d-f532a111b2d5/
Parent samples :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 hash:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
Link:
https://www.unpac.me/results/bbaa6185-b4f5-48f1-ab7d-f532a111b2d5/
SH256 hash:
75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d
MD5 hash:
355588f523a34a1593adc222a14b5c2f
SHA1 hash:
ad02462c10730a665c9acf349d40cc04941b508e
Link:
https://www.unpac.me/results/bbaa6185-b4f5-48f1-ab7d-f532a111b2d5/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/75a62b6fff32/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/75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d

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: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_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_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

AgentTesla

Executable exe 75a62b6fff32b813131d55fde90e5eb52818c3b34304716404d23dab89a90b8d

(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

Comments