MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b16a0aacd60385856b541ff2d1c01ea70bcaac5bb866083ca0f739268b800b50. 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


Intelligence 16 IOCs YARA 15 File information Comments

SHA256 hash: b16a0aacd60385856b541ff2d1c01ea70bcaac5bb866083ca0f739268b800b50
SHA3-384 hash: 7c4969323235bed62889fff287dc274defaf6279f997ec08d555d9f940ccc740a945a30f6fed284939639eb6039953e9
SHA1 hash: b3495d15c67904b4221628e99de6882e0ef5e637
MD5 hash: 534ada5dc43de51c86b758d10aa1b9ae
humanhash: oscar-lion-tennis-blue
File name:SecuriteInfo.com.Win32.PWSX-gen.22416.21846
Download: download sample
Signature AgentTesla
File size:629'248 bytes
First seen:2023-12-11 09:19:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:u3IU8S6eUduix+CIh2c5dnY1JQWt+oCDFeEFwwPtjohbBc/X/E+2F0kKvRq:kItSAduix+CU2IYWFeXeUhtcv87yz0
TLSH T16ED423AA32DAE6D3C1AD33F6416254863776FC1F6863F74CECD770D8A02578448246AB
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.22416.21846
Verdict:
Malicious activity
Analysis date:
2023-12-11 09:21:27 UTC
Tags:
stealer agenttesla

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
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
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
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1358207 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 11/12/2023 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 7 SecuriteInfo.com.Win32.PWSX-gen.22416.21846.exe 7 2->7         started        11 rBQuhEplCEs.exe 5 2->11         started        13 MmRKwR.exe 2->13         started        15 MmRKwR.exe 2->15         started        process3 file4 51 C:\Users\user\AppData\...\rBQuhEplCEs.exe, PE32 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmpC4C8.tmp, XML 7->53 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 7->71 73 Adds a directory exclusion to Windows Defender 7->73 17 SecuriteInfo.com.Win32.PWSX-gen.22416.21846.exe 1 5 7->17         started        21 powershell.exe 23 7->21         started        23 schtasks.exe 1 7->23         started        75 Multi AV Scanner detection for dropped file 11->75 77 Injects a PE file into a foreign processes 11->77 25 rBQuhEplCEs.exe 4 11->25         started        27 schtasks.exe 1 11->27         started        29 MmRKwR.exe 13->29         started        33 3 other processes 13->33 31 MmRKwR.exe 15->31         started        35 2 other processes 15->35 signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->47 dropped 49 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->49 dropped 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->65 37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        67 Tries to harvest and steal browser information (history, passwords, etc) 31->67 43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-11 08:11:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat 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
Adds Run key to start application
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
a82657f7e2569d75fd38416f0d3cf13be551d8daee1358775b50e7fc6f962e45
MD5 hash:
daaddaab61405bd98dc553d86ed31545
SHA1 hash:
b2945b39e6182c64abc4e238791d7f363966b2e1
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:
5523f4d901cad2bf590d15e07060e243fff89e7929f3c745ee768f37a0e6ceaf
MD5 hash:
2b9c5fb2b297556a3f6358fda4ce42b3
SHA1 hash:
7d0b801813d2f053422ec06191867b62f5e11ff0
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
SH256 hash:
b16a0aacd60385856b541ff2d1c01ea70bcaac5bb866083ca0f739268b800b50
MD5 hash:
534ada5dc43de51c86b758d10aa1b9ae
SHA1 hash:
b3495d15c67904b4221628e99de6882e0ef5e637
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: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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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.

Comments