MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145
SHA3-384 hash: fb677f5a95d7b74f368891c37da47324de2730ec279fb546abdd1e55e3a3936d463c13546da93d0b8e892e0c2f70396d
SHA1 hash: 94b8829259e596f14b6d734701203ece0e0b0cfe
MD5 hash: 8a82bc638ef7460d3d34eeb197826cb6
humanhash: uranus-nitrogen-paris-failed
File name:MT_08312_167027.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:133'632 bytes
First seen:2024-06-24 11:28:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:xkzyh9vFEzeAJgZgqA/bnKGU6Lk8u2qHlllllllOdQlwEn+glllllllllllllllB:QynvCeugyqAznKEtYwiVxw5lM
Threatray 1'929 similar samples on MalwareBazaar
TLSH T172D35382C25811D9DD5E1FBAA4365815126B7F6EFD3DA86F6A1C74620F332C3102AE1F
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)
File icon (PE):PE icon
dhash icon 35658a8a83a59695 (4 x AgentTesla, 1 x PureCrypter, 1 x AZORult)
Reporter JAMESWT_WT
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145.exe
Verdict:
Malicious activity
Analysis date:
2024-06-24 11:31:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/67bfa60a-ee76-45f8-8214-e2b320153f87

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.23088.14482.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6679587f8bee61523c5d15f4win7simulatehigh_evasion
Tags:
Generic Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6679588249a1c83062683c12/reports/146f8144-c7c3-48cd-887b-fc93d6909cf9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145
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/a07f11f0-e44c-4cec-9ca6-5c6b833e165a
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1461597
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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)
Uses ipconfig to lookup or modify the Windows network settings
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: 1461597 Sample: MT_08312_167027.exe Startdate: 24/06/2024 Architecture: WINDOWS Score: 100 59 api.ipify.org 2->59 73 Multi AV Scanner detection for domain / URL 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 11 other signatures 2->79 8 MT_08312_167027.exe 15 5 2->8         started        13 oiowhj.exe 14 3 2->13         started        15 oiowhj.exe 2->15         started        signatures3 process4 dnsIp5 61 78.111.67.189, 49742, 49746, 49747 SURFPLANET-ASDE Germany 8->61 51 C:\Users\user\AppData\Roaming\oiowhj.exe, PE32 8->51 dropped 53 C:\Users\user\...\oiowhj.exe:Zone.Identifier, ASCII 8->53 dropped 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->81 83 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->83 17 MT_08312_167027.exe 2 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        85 Multi AV Scanner detection for dropped file 13->85 87 Machine Learning detection for dropped file 13->87 25 oiowhj.exe 13->25         started        27 cmd.exe 13->27         started        29 cmd.exe 13->29         started        31 cmd.exe 15->31         started        file6 signatures7 process8 dnsIp9 55 162.254.34.31, 49745, 49750, 587 VIVIDHOSTINGUS United States 17->55 57 api.ipify.org 104.26.12.205, 443, 49744, 49749 CLOUDFLARENETUS United States 17->57 63 Uses ipconfig to lookup or modify the Windows network settings 21->63 33 conhost.exe 21->33         started        35 ipconfig.exe 1 21->35         started        37 conhost.exe 23->37         started        39 ipconfig.exe 1 23->39         started        65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->65 67 Tries to steal Mail credentials (via file / registry access) 25->67 69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 41 conhost.exe 27->41         started        43 ipconfig.exe 27->43         started        49 2 other processes 29->49 45 conhost.exe 31->45         started        47 ipconfig.exe 31->47         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-24 09:10:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kn5maan7vcq3n4wh7kvs4ybeso5oorzaswxqvjqw3xcyshy5qfcq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
047315e937d8697bccc03e03215f5a43ac3c1cde7c4e18dc9d1e55b14af01293
AgentTesla
2b0164c3ecb22bf4c514feef0f9471ab8a206663a3f3f38fc90a806090989f13
AgentTesla
519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
AgentTesla
5978255ccd6c77df69ec56c2a9777e84e775d5996d935d90e6dd978b94b2e802
AgentTesla
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
AgentTesla
c952c8f048ab52ec54ca80540bcf4432edfecaacc47922abf582f84b7add49fb
AgentTesla
+ 1'919 additional samples on MalwareBazaar
Result
Malware family:
purelogstealer
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:purelogstealer keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240624-nlj6hszbpe/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
PureLog Stealer
PureLog Stealer payload
Unpacked files
SH256 hash:
537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145
MD5 hash:
8a82bc638ef7460d3d34eeb197826cb6
SHA1 hash:
94b8829259e596f14b6d734701203ece0e0b0cfe
Link:
https://www.unpac.me/results/598eb1c9-faed-4499-9bc5-53108f8fafda/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/537ac001bfa8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/537ac001bfa8a1b6f2c7faab2e602493bae7472095af0aa616ddc5891f1d8145

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:Agenttesla_type2
Create hunting rule
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
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_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_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.

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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