MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3. 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: e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3
SHA3-384 hash: c5efa62cb6c7cfe4b287744e661b92fd3501bc1248b16f5e67dbb66973908f44a22c13e0f5288cb2e4d242173ebff928
SHA1 hash: 5c592c9f14bcbaec81b07d9f149a9f1e0b9b1859
MD5 hash: d486bb0e00d7058f5f03c1a51163fe95
humanhash: yellow-indigo-louisiana-eighteen
File name:SecuriteInfo.com.Win32.RATX-gen.8126.4318
Download: download sample
Signature AgentTesla
Create hunting rule
File size:674'816 bytes
First seen:2024-04-29 04:16:11 UTC
Last seen:2024-04-29 10:21:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:FrmB778QzrSmyxk3CFAEFaNWyN4rfs9xBYGp1TbFs1SoyDveri69rJiTrJyY20m:JmBlSmyCy7FcWtrEZY01nUyDvGiJyj0m
TLSH T1C5E4231E12ECD7AAE4FF5FFAB9AA42055B78680803A0EBDBCF9071C57C41F504811E96
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4018f9e960e20464 (19 x AgentTesla, 6 x Formbook, 2 x PureLogsStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 04:18:24 UTC
Tags:
evasion stealer agenttesla exfiltration
Link:
https://app.any.run/tasks/5791d3d5-ad91-43f2-8b76-6405771776fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f0860a71-cb16-40e8-87ac-49d460b46b5d
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433076
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 02:02:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4bmbwv5h5b7drjna5p4imh4bnjavxxfqg4ir6mv2jpn5y6gktprq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240429-ewc1hsac41/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
50d3700b82bf1ec9713860f56c76fa6d11e95f28979101aa53467c6ab3738a76
MD5 hash:
44a1f21684201d3635eb9233f3ad1177
SHA1 hash:
cf9d1499b11bfc0993967c67e74603ff15458bad
Link:
https://www.unpac.me/results/37a7e765-ebc1-436e-adfe-087ab93127cb/
SH256 hash:
3b4228e38159e257ca1d8d227ed82016eebc8bf607baee1be4ab05ae3853ab45
MD5 hash:
30d656d124aa1761e4793b6381d321e3
SHA1 hash:
a0fdc77cb3798de6fc65b08ca1ca6e9dd216e586
Link:
https://www.unpac.me/results/37a7e765-ebc1-436e-adfe-087ab93127cb/
SH256 hash:
5f66b0973ce8bf4d87f6529abfb731a42d96079e5eaebe57f3e7def66915c6a5
MD5 hash:
d25da25fb9ae0d7ebb4ea29fa52726a6
SHA1 hash:
798c2d0b7710add68935cbc8799d7d2343cf5748
Link:
https://www.unpac.me/results/37a7e765-ebc1-436e-adfe-087ab93127cb/
SH256 hash:
d9cd4bd5f06e2a127f455f3bd684b56fc7d4916c6b659f1c054023fdd1cf200e
MD5 hash:
2297dee2ecf1af9e7fdaa38d6a74524d
SHA1 hash:
5fb8226ee7f2364b06e203e5ded4c929004e7624
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_SUSPICIOUS_EXE_SandboxHookingDLL
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/37a7e765-ebc1-436e-adfe-087ab93127cb/
Parent samples :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 hash:
e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3
MD5 hash:
d486bb0e00d7058f5f03c1a51163fe95
SHA1 hash:
5c592c9f14bcbaec81b07d9f149a9f1e0b9b1859
Link:
https://www.unpac.me/results/37a7e765-ebc1-436e-adfe-087ab93127cb/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e0581b57a7e8/report/overview.html
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/e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3

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: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
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_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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