MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments
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SHA256 hash: 3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601
SHA3-384 hash: 7cfea41f4b44df3183561cb5e93d3e685170249eec4eb080ef85a723b6356edd0de9eafd8aa0e2bacd51a647ab737078
SHA1 hash: 442da7141a7fbebfb1c5e92c584f9aaf703ca9c9
MD5 hash: 82d1a111a163bd463d09f76865182045
humanhash: enemy-ack-hot-mars
File name:FedEx_#776282183902.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:655'872 bytes
First seen:2024-06-17 15:03:46 UTC
Last seen:2024-06-17 15:33:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:+mT/iFIsPAb/z/sPKLIRMprVf/lqC+JBeGUwLzaw3mKkQI7n+v1Fekem+ztyvrOf:rTkIKybU8mMprVHlqCjGUwLzl2mI7qds
TLSH T1D5D423413BEC1113C9FD1EB79E74058853FB19261920FBD94EA93A4F1AE3B848252F97
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):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:AgentTesla exe FedEx

Intelligence

File Origin
# of uploads :
2
# of downloads :
326
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601.exe
Verdict:
Malicious activity
Analysis date:
2024-06-17 15:12:34 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/c4e5325d-066e-4959-8b99-81d481fc4bf9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.15662.9339.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6670525f89a0563951fa6404win7simulatehigh_evasion
Tags:
Generic Network Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6670506549a1c830626754a5/reports/5266c9c6-c435-448e-96ab-b77903ba0af5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601
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/f71ee5a2-47dd-4510-8b48-5e6e95afb35a
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1458431
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Installs a global keyboard hook
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1458431 Sample: FedEx_#776282183902.exe Startdate: 17/06/2024 Architecture: WINDOWS Score: 100 17 mail.alitextile.com 2->17 19 ip-api.com 2->19 21 api.ipify.org 2->21 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 10 other signatures 2->35 7 FedEx_#776282183902.exe 3 2->7         started        signatures3 process4 file5 15 C:\Users\user\...\FedEx_#776282183902.exe.log, ASCII 7->15 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->41 11 FedEx_#776282183902.exe 14 2 7->11         started        signatures6 process7 dnsIp8 23 mail.alitextile.com 192.185.143.105, 49710, 49720, 49721 UNIFIEDLAYER-AS-1US United States 11->23 25 ip-api.com 208.95.112.1, 49709, 80 TUT-ASUS United States 11->25 27 api.ipify.org 172.67.74.152, 443, 49707 CLOUDFLARENETUS United States 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file / registry access) 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 49 Installs a global keyboard hook 11->49 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2024-06-17 02:16:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hn3phkxt3dzpffwme4v32ay56xvhcjw6mxzkiduhoovbkxfegyaq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240617-sfljlsyelj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
aeba5483473f38986a4bbe5916d1de14c8bdb92902d652daedd4de1338c238d8
MD5 hash:
72ffddcd4adf890a663396aaf31affc4
SHA1 hash:
bbe4b12621a1e941df4e1e4a7cc1bfeed4728181
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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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
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INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/850e7907-62cf-407c-883b-0234132a61d2/
Parent samples :
14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3
eda2c26b8e51b2a9cc200c833885adcda86fe52f723dea2d6474172919aba937
cd5110082d76cfc5694f423ea462e55f1675bfbb04a4ad70ed5416a6377a97b4
3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601
SH256 hash:
2905482fb789d31bcb79af63ae36a60a595a7443864f329ec4969f97895b6204
MD5 hash:
0b1a9e90c52ba19c960ac301a6004bb9
SHA1 hash:
68417aaf893ed163229b886f06a8c09cf99ed4b2
Link:
https://www.unpac.me/results/850e7907-62cf-407c-883b-0234132a61d2/
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
Link:
https://www.unpac.me/results/850e7907-62cf-407c-883b-0234132a61d2/
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
Link:
https://www.unpac.me/results/850e7907-62cf-407c-883b-0234132a61d2/
SH256 hash:
3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601
MD5 hash:
82d1a111a163bd463d09f76865182045
SHA1 hash:
442da7141a7fbebfb1c5e92c584f9aaf703ca9c9
Link:
https://www.unpac.me/results/850e7907-62cf-407c-883b-0234132a61d2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3b76f3aaf3d8f2f296cc272bbd031df5ea7126de65f2a40e8773aa155ca43601

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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_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
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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.

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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