MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments
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SHA256 hash: 1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca
SHA3-384 hash: 57159027967f386f5e25d90bea8db3a3e83cb9bf73d6dc40920568df4dabd7e31d7dcd684c8612a7d76b9d556d10672d
SHA1 hash: 29dfa4d06b51204b4ef0cda3517d3cfbbfeaf079
MD5 hash: f6616ae6e92701dbde41e91a804ddf50
humanhash: fourteen-nitrogen-ack-carbon
File name:TNT Express - Invoice 09004105.pdf.exe
Download: download sample
Signature AgentTesla
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File size:657'928 bytes
First seen:2024-05-28 17:40:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5OxgCS1JHXaHlTxbmy80fo4qG+xxgrt/RU3IXVILPquL4QuFW1TkR:zaH1x8WVq5grta8uLGk8
Threatray 4'255 similar samples on MalwareBazaar
TLSH T12DE42398639F279BEAB607B7A595900B83F3F1C30464EE262CC624CA5EC1B545510BFF
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 abuse_ch
Tags:AgentTesla exe TNT

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 17:50:52 UTC
Tags:
stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/047f6651-fb8a-4797-b14b-0ae8314986ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2866.8748.439.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665617495721c8e527178488win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Static Stealth Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/665617344029cde7c2b4d0d6/reports/315f2c19-36b3-4b24-9a90-690f2f38ea2c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca
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/056adf78-55b5-43c9-b1b2-b931af23f777
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448822
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448822 Sample: TNT Express - Invoice 09004... Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 21 mail.confidencegroup.co 2->21 25 Snort IDS alert for network traffic 2->25 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 15 other signatures 2->31 8 TNT Express - Invoice 09004105.pdf.exe 4 2->8         started        signatures3 process4 signatures5 33 Writes to foreign memory regions 8->33 35 Allocates memory in foreign processes 8->35 37 Adds a directory exclusion to Windows Defender 8->37 39 Injects a PE file into a foreign processes 8->39 11 RegSvcs.exe 2 8->11         started        15 powershell.exe 23 8->15         started        17 RegSvcs.exe 8->17         started        process6 dnsIp7 23 mail.confidencegroup.co 103.180.121.90, 49713, 587 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 11->23 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file / registry access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 49 Loading BitLocker PowerShell Module 15->49 19 conhost.exe 15->19         started        51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->51 signatures8 process9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
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Status:
Malicious
First seen:
2024-05-28 08:25:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d52yssqthrw2meond6j4h7yv4q3vxurqu6blagyeemhslugs3lfa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Similar samples:
4af4e807a39641a52d870358fa8b6486927f7f5daeb94a2a75d9e117ba41a3ea
AgentTesla
5a9523bba8e40c9d642fd99e046c4c06ddb7174cb26da584ccc0db4aea139f87
AgentTesla
5c7c411ea48976a55a30558e1ce6147a7f28b6b99d84083e1f01de1db86bb588
AgentTesla
9590e1d446b60f2a62ed6e543d623a857061ca1e80a2a499a9ef7d6c97cc5cb5
AgentTesla
c177812f5ee5c7643659dba85dcdb7d86134d2a437a8c7934c9b63eb3a5b4530
AgentTesla
c907b5ee8b9aae5ad661042f2aed0338df90653b95dad072ef8d8c0b582bc46b
AgentTesla
+ 4'245 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240528-v9f74adf31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3b62646c-d066-4c12-a9ef-5f9657bda617
Unpacked files
SH256 hash:
73113abdadefd54e02f0d3f3aec21c31e96b315dc2ad6ae7d725cd5197e97c48
MD5 hash:
ae27d0d76e10c13d9dc0ad2a6b147756
SHA1 hash:
f1a4bc030b4476ac1450cc797213e34f567dd434
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
SH256 hash:
88537f9055ebee9993d3f81805861469d9978c1667061f87e54e8ee50837b0ae
MD5 hash:
79528d4e52f9f50dcb41a9ff5e04c71a
SHA1 hash:
3788376820443310f4009d8e333f3e9bc0c872ec
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
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
Parent samples :
1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca
bf2e5d6afd63528254f986851f466aae21e0ed04f458a5d8b8cd435f446a69a4
SH256 hash:
9ca19dfb4e900f0f08bb644111a73553b0c79652defe6c29eb4f2bfc87e231ca
MD5 hash:
c727dd7bb64665b262e5a1dc6e008770
SHA1 hash:
27e3e26109f51b8a6d84dc493856ac73538cfbc0
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
SH256 hash:
c39e13a42390b0541defb9ba9bd6e5d3d753318b5dee3796c0b14f9cdd186735
MD5 hash:
8767c5de3de38fb24fe09d767865202a
SHA1 hash:
1b11a8120cd726d054976aa4aaebe9d1bee88c4a
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
SH256 hash:
e823ebc0bf3d4caa2b556e6725554826134980a0436e973b4840f43f91b06e1c
MD5 hash:
10ce6543dee310d50e2de21a15edc673
SHA1 hash:
043e53ea08c5db1a43a2b92555e32a44206fe159
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
SH256 hash:
1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca
MD5 hash:
f6616ae6e92701dbde41e91a804ddf50
SHA1 hash:
29dfa4d06b51204b4ef0cda3517d3cfbbfeaf079
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/a07a685a-d7d9-47da-b148-00eb321a3460/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f75894a133c/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/1f75894a133c6da611cd1f93c3ff15e4375bd230a782b01b04230f25d0d2daca

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_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
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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.

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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