MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91b69e17e757c1c3acc55009d0673944d53af7a14cbbd731794f7bbcd67870c1. 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
| SHA256 hash: | 91b69e17e757c1c3acc55009d0673944d53af7a14cbbd731794f7bbcd67870c1 |
|---|---|
| SHA3-384 hash: | 03da813cc67c033330350f0da14f03af347b920bb9edb2bc67ccf15b46f7c0b867374cd2687cc4fa395e6b33f18dbdb4 |
| SHA1 hash: | f4eb202735a10ec4fe221f20d6c9930e97950322 |
| MD5 hash: | d71c9662d3bd3f64f680bc63bd99a2db |
| humanhash: | burger-wyoming-oscar-video |
| File name: | Purchase Order PO1329.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 721'920 bytes |
| First seen: | 2024-05-14 10:40:34 UTC |
| Last seen: | 2024-05-21 11:43:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:MLTeH81jJUndhIEOXS71/TTZ692Ul72pCg/23VBO7iOpkjJejl2LrlHYaxf:t8MndhIpXS71/Td8Dl2C7BO7iOaJMALJ |
| TLSH | T1AFE41201677E0FBBE5B96BF41079909067F2B65A04A1F31D0CE2B0DAB633F412265B67 |
| 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) |
| Reporter |  adrian__luca |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
313
Origin country :
HUVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
91b69e17e757c1c3acc55009d0673944d53af7a14cbbd731794f7bbcd67870c1.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 11:01:15 UTC
Tags:
smtp exfiltration stealer agenttesla
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
82%
Tags:
masquerade packed
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
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
Verdict:
Malicious
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: MSBuild connects to smtp port
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-13 06:26:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
SH256 hash:
d9943a11b289baf742133668e51e380b057085c304b8a326e5a0cdac9da2183a
MD5 hash:
ecd47d109c99a38f8a372fc9f4679137
SHA1 hash:
8f8af8f966a9e062a8c80e385216a7011d32a78f
Detections:
AgentTesla
win_agent_tesla_g2
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Agenttesla_type2
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
359d1e4fd2b9a73aa5d11cfa7b527f6aba66e6481630cb09f8c3695e27ff9ea2
MD5 hash:
87e1b20fea041957dabf003249b1a82b
SHA1 hash:
8a7183bef29c4edf11fb4ea15f58e5c15dc6d180
SH256 hash:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
SH256 hash:
7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a
MD5 hash:
2c3f7108d4525ac2856cb70871f15c32
SHA1 hash:
5d04332dac4d5324d89ebca26a2a609b8fd9895e
SH256 hash:
91b69e17e757c1c3acc55009d0673944d53af7a14cbbd731794f7bbcd67870c1
MD5 hash:
d71c9662d3bd3f64f680bc63bd99a2db
SHA1 hash:
f4eb202735a10ec4fe221f20d6c9930e97950322
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| 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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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