MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 41c1924e758c705eab2c725624c7c01923601d805c3e4ebe6cac379e32ed4140. 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: 17
| SHA256 hash: | 41c1924e758c705eab2c725624c7c01923601d805c3e4ebe6cac379e32ed4140 |
|---|---|
| SHA3-384 hash: | c39b89feeba314241b12f1be38a0392878dd26f36694cc878e25d34392334d3312d75b00614df61dc36fb2431e6f9dbb |
| SHA1 hash: | ed16e3a8b5d359f6f59cde2cfedc619bcf24bbfd |
| MD5 hash: | 357819113a4c45ae00b90d06bdd54f67 |
| humanhash: | minnesota-network-four-quiet |
| File name: | KZWCMNWmmqi9lvI.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 741'376 bytes |
| First seen: | 2024-04-18 20:34:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 12288:pGL21ILpqe2cWjoI8F1P3FkbBrmofmjuFP6U74BYE3+FhjXmZdwwpIl:IL21ILpqerAY3FkbZmofmvQFh6Hq |
| Threatray | 849 similar samples on MalwareBazaar |
| TLSH | T137F42244FD0D6237D89556FB1011627043B3F68B2639FBCA1DE6B58DAAE3B001686F4B |
| 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) |
| File icon (PE): |  |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  TeamDreier |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
367
Origin country :
DKVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
41c1924e758c705eab2c725624c7c01923601d805c3e4ebe6cac379e32ed4140.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 20:41:42 UTC
Tags:
smtp stealer agenttesla
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
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
lolbin packed shell32
Verdict:
Malicious
Labled as:
Trojan.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 array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
agenttesla
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-04-17 02:48:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 839 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
d59496623cfc2934f748c4ac720bb445d31333656cebdf5cb26313f8b37bfdec
MD5 hash:
a2eff878db3585f3de82fd388f24f978
SHA1 hash:
b7489c630ed2695c0533d9578a34c713be89fb03
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:
2cd26f88ce6d67fb9cf2d67814b9eba56108f26502f13bd58dd650098ae404ff
MD5 hash:
155c47a7ef654f764fed1ddeba37d85c
SHA1 hash:
83caf947f38466ac20fe8b38464e004845bb930a
SH256 hash:
e8d5a9219e8af1cf0ed3c2dffaeee22b38da4ea86d02502ea3e48e6da80dc40e
MD5 hash:
eb53f8b2ad757b9fdaaa04ccf238a125
SHA1 hash:
698712042011f2ee4c9a014912920c82b0a230d2
SH256 hash:
41c1924e758c705eab2c725624c7c01923601d805c3e4ebe6cac379e32ed4140
MD5 hash:
357819113a4c45ae00b90d06bdd54f67
SHA1 hash:
ed16e3a8b5d359f6f59cde2cfedc619bcf24bbfd
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: | 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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