MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd
SHA3-384 hash: d4f1730c500672c5a0153f75ba57199009689c66fd0d87f85b5a18ca9a20cec471dcc7d2d15d7b8461b945eebf5fc60d
SHA1 hash: c9cecc6110f3568c4b8d38c95f834b3bf7a7c0d8
MD5 hash: d760dc358592d6717d4d6ca1ca0b4a41
humanhash: asparagus-leopard-july-thirteen
File name:SecuriteInfo.com.Win32.PWSX-gen.29608.5434
Download: download sample
Signature AgentTesla
Create hunting rule
File size:692'224 bytes
First seen:2024-04-24 17:22:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:jAlv312Z3HmMPKvWPRqYtuJu+OixvozCaRXrJ6hVxB+8i53tzL73EmlPTS2b:jAJ312ZHmMi+PoYb+rw7XFcfB+B5RLDH
TLSH T1FCE4237C22D9532AD97BBBFC24BAC1208365A0A15922D75C0E5673EF43FB7044D46637
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 17:24:52 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/668d3adb-fe87-47a2-9c66-2d9100ce7968

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66293ff7c5dabc22b2074114/reports/2abcbc21-3f86-4cb1-a183-abe9d20a9788/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd
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/bb7e98a1-4684-4bbb-979d-536bd533463c
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1431282
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 16:01:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7c6evyjp65tc74pmqsq6b4wk5g7v4pbglsidhojyywz2woce7oq._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/240424-vx44dsdg9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
25fcb2fe5c739f4a5b30915db52c62af6554fa37699b6640bf198aef41590a3e
MD5 hash:
10ad1dea165c62fb73ff7ca295fda080
SHA1 hash:
d1b72ec7528ceb3d743bacbef47fad6caa064345
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_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/681b93e1-fe9a-4851-9d3d-da7b8a73455e/
Parent samples :
67251e9318b1791c1a5c112f3dfef053bfab70cfe5c3f3c7e8ea3c0d0d77ecfd
87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd
SH256 hash:
2170816d395ce9262aee26173461f9cdb22097e53cfd7a2b5f67470a317579f9
MD5 hash:
3aa80d2b455fa5517572ed606608eb75
SHA1 hash:
c3a79716385c51c12594710f2b206058c364af13
Link:
https://www.unpac.me/results/681b93e1-fe9a-4851-9d3d-da7b8a73455e/
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/681b93e1-fe9a-4851-9d3d-da7b8a73455e/
SH256 hash:
9d29ddb766975d283e42d47ee67fd1f3b88ddecf6defe6f408651984a1eb7313
MD5 hash:
fab0e6b2412a13709095243bcf12af07
SHA1 hash:
23ad8b746833f68dcad791f23f3c7f236af907bb
Link:
https://www.unpac.me/results/681b93e1-fe9a-4851-9d3d-da7b8a73455e/
SH256 hash:
87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd
MD5 hash:
d760dc358592d6717d4d6ca1ca0b4a41
SHA1 hash:
c9cecc6110f3568c4b8d38c95f834b3bf7a7c0d8
Link:
https://www.unpac.me/results/681b93e1-fe9a-4851-9d3d-da7b8a73455e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87c5e257097f/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/87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd

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_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 (HIGH_ENTROPY_VA)high

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