MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments
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SHA256 hash: 827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64
SHA3-384 hash: 418b14fd681839584d98807d861e494039fe057a6d215d844b5635d821de5dfab072ea23c389a6973383f8cd43ecfb07
SHA1 hash: e6a624834f2c82167f1dac23c2f30e955ef27c0f
MD5 hash: 7ca39065d9b425281b532271439a2a8b
humanhash: purple-idaho-london-india
File name:PO 4555131028.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:819'200 bytes
First seen:2024-09-03 06:08:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:zjj0ywkpSV70g6a7wwPKfR1dHANj82VgICkdyUSPNhRl:nwywWTU5phTo9R
TLSH T16E05028293A03B1AC4BF55B6496609D21FF0BC299671F7555FC2B2BF4CB3742A920387
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)
Magika pebin
File icon (PE):PE icon
dhash icon 64a4b2d259c9cc4c (3 x AgentTesla, 1 x Formbook, 1 x MassLogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO 4555131028.exe
Verdict:
Malicious activity
Analysis date:
2024-09-03 06:17:28 UTC
Tags:
evasion stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/3cc91976-2864-46e5-92b5-2f73990426f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.539.24414.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d6a8038e12b8124ac90cd8
Tags:
Discovery Execution Infostealer Network Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed phishing vbnet
Link:
https://www.filescan.io/uploads/66d6a8005bc1792389bc8951/reports/7f34c22d-5af5-45ec-a7a2-51a0abfd3210/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64
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/58a5a92d-5b8c-4081-8640-7ec75ebd2ddd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1503217
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts 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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1503217 Sample: PO 4555131028.exe Startdate: 03/09/2024 Architecture: WINDOWS Score: 100 22 mail.bonnyriggdentalsurgery.com.au 2->22 24 ip-api.com 2->24 26 api.ipify.org 2->26 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 16 other signatures 2->40 8 PO 4555131028.exe 4 2->8         started        signatures3 process4 file5 20 C:\Users\user\...\PO 4555131028.exe.log, ASCII 8->20 dropped 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->42 44 Adds a directory exclusion to Windows Defender 8->44 46 Injects a PE file into a foreign processes 8->46 12 PO 4555131028.exe 15 2 8->12         started        16 powershell.exe 22 8->16         started        signatures6 process7 dnsIp8 28 mail.bonnyriggdentalsurgery.com.au 192.254.225.166, 49706, 587 UNIFIEDLAYER-AS-1US United States 12->28 30 ip-api.com 208.95.112.1, 49705, 80 TUT-ASUS United States 12->30 32 api.ipify.org 172.67.74.152, 443, 49704 CLOUDFLARENETUS United States 12->32 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Loading BitLocker PowerShell Module 16->56 18 conhost.exe 16->18         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-09-03 06:09:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qj5vqw7ftwzii4cklblqavdcmkzogo3ox3f7b7m7suexv4qgrjsa._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 credential_access discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240903-gwf4aazhje/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8963346b-17b5-4adf-aeac-112ca43973df
Unpacked files
SH256 hash:
7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f
MD5 hash:
7fa95c2554a74e0805581e20305069d8
SHA1 hash:
aa77eebba993f3e79b4971f5c135286e40b066a1
Link:
https://www.unpac.me/results/734cc404-d7c6-4418-8d8d-1a8d3fca1be7/
SH256 hash:
8eda4f675345882d576ca55eb15910f40308ffb8b74c85f4bdacc09eeb68e948
MD5 hash:
28b03493bb32301fa1d826328be58b00
SHA1 hash:
7d56648e31f548af8b378f50c1a07b10001493f8
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/734cc404-d7c6-4418-8d8d-1a8d3fca1be7/
Parent samples :
0e6b324fbaef626b2ff2b4f96b6056ea94d65e8655e5e74e841c1eaee2aeba9e
827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64
c39033fb9aa3af73b672cd1784036e84a3bb20d7cb8d2dd612208bdd5b96d622
3251093aa6fdae864fe5072d57e4b976ae384281f5a6b1e707a15ceb8af152b1
af09ee4301ab17e9fed69e096ff28348641838cab7f1c71864cdb416ae80cb32
8eda4f675345882d576ca55eb15910f40308ffb8b74c85f4bdacc09eeb68e948
SH256 hash:
2717ff381ebe6643f8661664dccfa4155566ea808252dc20efeb8f0848ff475e
MD5 hash:
596c21faef97d66344bece9dc0d2c3b9
SHA1 hash:
16dae6f94dfa9c5d5eaa249b7c3896b2d7176222
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/734cc404-d7c6-4418-8d8d-1a8d3fca1be7/
SH256 hash:
827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64
MD5 hash:
7ca39065d9b425281b532271439a2a8b
SHA1 hash:
e6a624834f2c82167f1dac23c2f30e955ef27c0f
Link:
https://www.unpac.me/results/734cc404-d7c6-4418-8d8d-1a8d3fca1be7/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/827b585be59d/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/827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 827b585be59db284704a585700546262b2e33b6ebecbf0fd9f95097af2068a64

(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 (HIGH_ENTROPY_VA)high

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