MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1. 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 17 File information Comments
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SHA256 hash: f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1
SHA3-384 hash: 4ac1c2d13fe9d06dc163f1f77c1ecbec05e0b20d93632cc96f73347f589079b5a1ee5a8ac8c3e9d55c9c896797af3269
SHA1 hash: 6ac3e98444ec834bcad7ba50129ac058a249a5af
MD5 hash: 94694fb4bf8c5a911a01c034809365d1
humanhash: arizona-sixteen-idaho-hot
File name:DHL airwaybill # 84940660132-PDF.exe
Download: download sample
Signature AgentTesla
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File size:613'350 bytes
First seen:2024-05-31 13:11:47 UTC
Last seen:2024-05-31 13:21:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:jbITMPECksc+R5JZQTV01iidmQivjTnqgX0JcHsDltoUee5n:jbITMPECVc40TidmQK3nn+cMDUe
TLSH T1ADD42320CD24F36AFCEB0B7992DD64D3335263A652EFCE921894132A7DCE151B0A5CB5
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:AgentTesla DHL exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
390
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 13:17:47 UTC
Tags:
smtp agenttesla stealer exfiltration
Link:
https://app.any.run/tasks/0d218a7a-a250-4fbf-9c7d-c5415fb70286

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Krypt.23152.26487.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665a1d4420ad30d287679279win10vpnfull_triage
Tags:
Encryption Generic Infostealer Network Static Stealth Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Searching for the window
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1
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/33b4c76d-0641-4068-aec7-62bda1c5b299
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450441
Signature
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
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: RegAsm connects to smtp port
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-05-31 13:12:14 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rl5yi7spvnyb2vmjkwiofntjdv2aekewk5ir72gcvc56b27b3aq._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/240531-qfkafaad84/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c4fad046-741c-4f49-871e-6903414e1db3
Unpacked files
SH256 hash:
7b2020382910689bb11b1620d32ba042af7cda400fa952ee90a02e6e149ef0a9
MD5 hash:
08247d66d2cbee4ef86f6127632f4fc0
SHA1 hash:
56d826e848758e27b09b678c562d77953307754c
Link:
https://www.unpac.me/results/040bae11-5261-45ba-a6b3-13e4a398686f/
SH256 hash:
f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1
MD5 hash:
94694fb4bf8c5a911a01c034809365d1
SHA1 hash:
6ac3e98444ec834bcad7ba50129ac058a249a5af
Link:
https://www.unpac.me/results/040bae11-5261-45ba-a6b3-13e4a398686f/
Malware family:
AgentTesla
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f457dc23f27d/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/f457dc23f27d5b80eaac4aac8715b348eba01144b2ba88ff461545df075f0ec1

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
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Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
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Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
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Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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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 (GUARD_CF)high

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