MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0. 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 19 File information Comments
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SHA256 hash: 54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0
SHA3-384 hash: 3c2899bb281340894c1f1036b24a4b74a1b0aca87ed268e91c3127613c87064850795e75b30fb987b72672b5e9ab46ec
SHA1 hash: eff3cc6211e5472470d0df437ed3cbf6aca9fcdb
MD5 hash: e5d0c919edf5c003d74601e40087322f
humanhash: kilo-yellow-eight-five
File name:IMG_1058_1060_200.exe
Download: download sample
Signature AgentTesla
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File size:374'648 bytes
First seen:2024-05-20 06:23:42 UTC
Last seen:2024-05-20 22:14:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:Pj4iU0Xs6YkfByVFeX7cl61rtEr+ekklbvEgz+RGXaQvshWEWb7fV:8qrKQsr+ekklb1+RUbcWEG
Threatray 984 similar samples on MalwareBazaar
TLSH T14684F85D8BC89966C8A90274AC31E44C8768E39AD15FF78B676EB0B40CB37816D43C37
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 d8f2e4ccd4d4d4d4 (9 x AgentTesla, 2 x Formbook, 1 x a310Logger)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
337
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0.exe
Verdict:
Malicious activity
Analysis date:
2024-05-20 06:52:46 UTC
Tags:
payload evasion stealer agenttesla exfiltration
Link:
https://app.any.run/tasks/f0aa4d28-31e0-412b-b4fe-dd3ad61f16f4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Program.Unwanted.4610.16951.22899.UNOFFICIAL
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Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Static Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Restart of the analyzed sample
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/664aec88d5c40bffee63391f/reports/ddf935d5-1b71-429a-bf3f-3be83f923102/overview
Verdict:
Malicious
Labled as:
MSIL_Agent.HAM.gen
Link:
https://www.hybrid-analysis.com/sample/54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5f5d9451-23a3-4435-a3ab-265ea947942a
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1444142
Signature
.NET source code contains potential unpacker
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1444142 Sample: IMG_1058_1060_200.exe Startdate: 20/05/2024 Architecture: WINDOWS Score: 100 30 api.ipify.org 2->30 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 7 IMG_1058_1060_200.exe 16 5 2->7         started        12 opwduvef.exe 14 3 2->12         started        14 opwduvef.exe 2 2->14         started        signatures3 process4 dnsIp5 32 144.217.207.15, 49710, 49719, 49720 OVHFR Canada 7->32 24 C:\Users\user\AppData\Roaming\opwduvef.exe, PE32 7->24 dropped 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->50 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->52 54 Injects a PE file into a foreign processes 7->54 16 IMG_1058_1060_200.exe 2 7->16         started        56 Multi AV Scanner detection for dropped file 12->56 20 opwduvef.exe 12->20         started        22 opwduvef.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 66.29.151.236, 49718, 49723, 49725 ADVANTAGECOMUS United States 16->26 28 api.ipify.org 104.26.12.205, 443, 49717, 49722 CLOUDFLARENETUS United States 16->28 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->34 36 Tries to steal Mail credentials (via file / registry access) 22->36 38 Tries to harvest and steal ftp login credentials 22->38 40 Tries to harvest and steal browser information (history, passwords, etc) 22->40 signatures10
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-05-20 02:06:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksuhzjktj5eqdfd7n2zknl2qsobs3ytsz7tljgexez3nd6xgvxqa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Similar samples:
047315e937d8697bccc03e03215f5a43ac3c1cde7c4e18dc9d1e55b14af01293
AgentTesla
475bf2a23c54406a6f6e4ac69ec99e6f2f7758e994b8b68d6bab71af54a358f2
AgentTesla
519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
AgentTesla
54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0
AgentTesla
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
AgentTesla
+ 974 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240520-g53nmsfd97/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/62d090e6-594b-4483-81e5-c2514ea1706b
Unpacked files
SH256 hash:
54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0
MD5 hash:
e5d0c919edf5c003d74601e40087322f
SHA1 hash:
eff3cc6211e5472470d0df437ed3cbf6aca9fcdb
Link:
https://www.unpac.me/results/d2f1a706-0d48-453c-b4df-e82e9c9e9ba5/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54a87ca5534f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
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_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.

Malspam

AgentTesla

Executable exe 54a87ca5534f4901947f6eb2a6af5093832de272cfe6b498972676d1fae6ade0

(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 (GUARD_CF)high

Comments