MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c63960f5b5927c21a196b1c67bbb87f4bede12e083d0ac1d91bf74750952f471. 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: | c63960f5b5927c21a196b1c67bbb87f4bede12e083d0ac1d91bf74750952f471 |
|---|---|
| SHA3-384 hash: | dcb71aad0b98a06dd19ff748bbdd183a5ab475567d928c7f393fed4de2b5d7899f0d7e1e421506f5cccbfa22557a29a9 |
| SHA1 hash: | f094033b3739f19d2a40d3d1d0599b195638238a |
| MD5 hash: | 39737c2bbc6d99b59ca55f6ade03fabd |
| humanhash: | bacon-whiskey-kentucky-washington |
| File name: | z1E-catalogSamples.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 654'336 bytes |
| First seen: | 2024-04-22 16:03:56 UTC |
| Last seen: | 2024-04-22 16:34:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:epmfB2jPBkJJFW1yvMmVqu3Bh4yH19T8yWV0MWKPHCFFSMDoMVYpx:epmsjoyeB9HkytMWKfqF79Y |
| Threatray | 823 similar samples on MalwareBazaar |
| TLSH | T19ED423DDAF4FC36BC50A66B7D13B422873B2C1419671CE0E594398E4C7E9394940AFE9 |
| 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): |  |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  FXOLabs |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
365
Origin country :
BRVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Hacktool.Mimikatz
Status:
Malicious
First seen:
2024-04-22 02:10:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 23 (91.30%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 813 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot7177134832:AAFZbBRZvrMTexyCCRWrTRyGHf8Nct0rg7g/
Unpacked files
SH256 hash:
a31148f6b799d9d43fc2de982036aacc234c7a4fdbaf0856608787a559d27cd3
MD5 hash:
5458947ee8627f1466205fe32884f1ca
SHA1 hash:
ece8e460c0d2622bac8e3e2ace9c1dabd8e09b38
SH256 hash:
4f4b45fc2595961e7386c88990a2818046c8e44c7a9c27c379fea6da9b4c2f83
MD5 hash:
7a1c819e2ff0e6975d39ac644b3563fb
SHA1 hash:
acc17619897125ff84bf2a4ac4054537d89e2065
SH256 hash:
f69213304b5447ff9ad136eb2141a58b3976b3810f14b1c57ac0c0e0bcb926e4
MD5 hash:
ddbf83e6299647a672c7c7ae108b998f
SHA1 hash:
6cc0e4cf501825d9fb1277e0a8949f3a3310759e
SH256 hash:
f22e7d0bcb3e07d5258036dab109cceb77c7caa5efff0e41e3155e1696734675
MD5 hash:
5f38ac64779b71ae87f07655e7330439
SHA1 hash:
55381aadae2924e71334562efc0af5f4ced4b97a
Detections:
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:
c63960f5b5927c21a196b1c67bbb87f4bede12e083d0ac1d91bf74750952f471
MD5 hash:
39737c2bbc6d99b59ca55f6ade03fabd
SHA1 hash:
f094033b3739f19d2a40d3d1d0599b195638238a
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_808f680e |
|---|---|
| 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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