MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81fdcde8fbe4d7ad27f94d3bf8b8276aecf45ae7017e6385c6a5f3e472465dac. 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
| SHA256 hash: | 81fdcde8fbe4d7ad27f94d3bf8b8276aecf45ae7017e6385c6a5f3e472465dac |
|---|---|
| SHA3-384 hash: | cdd321f204c6797bb09e32d50c72666f5b1490ca30f83147c46e23b819c2a672ac2b0cfb0b20356f4dd96106729f7c01 |
| SHA1 hash: | 653e90cfc6e1d07cb6e1da4e1fb8f70ec64fb429 |
| MD5 hash: | 2d6113951e16a4336fe1bd44a12134a8 |
| humanhash: | eighteen-orange-eighteen-pluto |
| File name: | PURCHASE ORDER -HDPESD.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'039'360 bytes |
| First seen: | 2024-04-18 13:12:30 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:Q94WQZsG8QsWnBeCO4R631r74+aJS8/lsq3hEk2Ku:7ye9MsS8/aqak2Ku |
| Threatray | 300 similar samples on MalwareBazaar |
| TLSH | T10525E23D1CBD2A3B91B9C6AACFE98467F140D47B3911AD3698D383954346A9339C313E |
| 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 |  threatcat_ch |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
429
Origin country :
CHVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
81fdcde8fbe4d7ad27f94d3bf8b8276aecf45ae7017e6385c6a5f3e472465dac.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 13:13:08 UTC
Tags:
smtp agenttesla stealer
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
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:
Malicious
Labled as:
Variadic.A.410.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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-04-18 12:49:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 290 additional samples on MalwareBazaar
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
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:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
4af6066bd20aa89fc530041de3d56d3d5e76b9c877c276b2fe006820e1d3e990
MD5 hash:
6bf3aff1acb1014c025fb3e3b72aa23a
SHA1 hash:
5640bf447561f48ac95eb8c21d4c84e42a67488f
SH256 hash:
7a29c5bed540d5b0f82f8c3115b25d37a796e2080f1aff4075ac12621cf67cec
MD5 hash:
da929793f7d908e85730dcfd64ce634f
SHA1 hash:
49011c9b7969ee3aa61010025f235e2e4935605e
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:
baa0bda022a64970c5be7e975198d5dd8229901e827b2bda8ed277c53e9fb950
MD5 hash:
1efe8c9276f935bf051c72a80a02d2c8
SHA1 hash:
13a1f62d3ad9375ca328ce8e393e4e235226bc3c
SH256 hash:
81fdcde8fbe4d7ad27f94d3bf8b8276aecf45ae7017e6385c6a5f3e472465dac
MD5 hash:
2d6113951e16a4336fe1bd44a12134a8
SHA1 hash:
653e90cfc6e1d07cb6e1da4e1fb8f70ec64fb429
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| 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 |
|---|---|
| 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 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| 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 |
| Rule name: | Windows_Generic_Threat_9f4a80b2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| 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.
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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