MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 873f7e8dbe2f904051b3a9ae7aa06c5b53bb0d8011a0316267fd736a4d4a1477. 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


Intelligence 17 IOCs YARA 15 File information Comments

SHA256 hash: 873f7e8dbe2f904051b3a9ae7aa06c5b53bb0d8011a0316267fd736a4d4a1477
SHA3-384 hash: 47c810b2354920dab177bfc81d74b6ca72710b68f37d53aed3bcae0e335b04d96d7f0510c8daa0bd12f45c35525d04a1
SHA1 hash: 6515cc2c90467ca14676052288dbcee3490bf036
MD5 hash: 647acb72f7f6235cc2647f8026abb2b8
humanhash: artist-arizona-may-uniform
File name:SecuriteInfo.com.Win32.TrojanX-gen.4914.10143
Download: download sample
Signature AgentTesla
File size:656'896 bytes
First seen:2024-01-18 04:28:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UwH6X60pi+Qma3Wm4HSXPuS6/canm5gRt9GB3enuazVJHOsmIOjbhMVgkaZaTgYM:UwgKmamm4yWSfDORC5ebzVJH5mfjbhsW
TLSH T12BD4232532B99351CD7353F624CA24051B3959130736EA2DCCD6B7CD4E22B2B9E88B9F
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
873f7e8dbe2f904051b3a9ae7aa06c5b53bb0d8011a0316267fd736a4d4a1477.exe
Verdict:
Malicious activity
Analysis date:
2024-01-18 04:34:16 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
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
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1376493 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 8 other signatures 2->63 7 SecuriteInfo.com.Win32.TrojanX-gen.4914.10143.exe 7 2->7         started        11 jJUInSQNFXu.exe 5 2->11         started        13 MmRKwR.exe 2->13         started        15 MmRKwR.exe 2->15         started        process3 file4 53 C:\Users\user\AppData\...\jJUInSQNFXu.exe, PE32 7->53 dropped 55 C:\Users\user\AppData\Local\...\tmp7782.tmp, XML 7->55 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 7->73 75 Adds a directory exclusion to Windows Defender 7->75 17 SecuriteInfo.com.Win32.TrojanX-gen.4914.10143.exe 1 5 7->17         started        21 powershell.exe 23 7->21         started        23 schtasks.exe 1 7->23         started        77 Multi AV Scanner detection for dropped file 11->77 79 Machine Learning detection for dropped file 11->79 81 Injects a PE file into a foreign processes 11->81 25 jJUInSQNFXu.exe 4 11->25         started        27 schtasks.exe 1 11->27         started        29 MmRKwR.exe 13->29         started        35 2 other processes 13->35 31 MmRKwR.exe 15->31         started        33 schtasks.exe 15->33         started        signatures5 process6 file7 49 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->49 dropped 51 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->51 dropped 65 Tries to steal Mail credentials (via file / registry access) 17->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->67 37 conhost.exe 21->37         started        39 WmiPrvSE.exe 21->39         started        41 conhost.exe 23->41         started        43 conhost.exe 27->43         started        69 Tries to harvest and steal browser information (history, passwords, etc) 31->69 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-01-18 04:29:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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
Unpacked files
SH256 hash:
1dedfc28d4b1f766e8dddf1fada6e54cf975ed4a201d0092a562df34d40eed49
MD5 hash:
44a5e5d453193ab25c1a7ef83c933b95
SHA1 hash:
cb8bf4a2e4ccfe06d9af9ac90e8c792492a92d73
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:
2b4cf8b51c4caac8a17c239ce12f5722630e9358060986625b0eed5dd9e01017
MD5 hash:
81c9b6f9ce6e6cc93bf89a1218f12e86
SHA1 hash:
1e2b99b28fc38272b81bc336a66c2960259668b6
SH256 hash:
aad5bfbb1ddc1e1e61a9bd8fd81dc629e775a16f1c9fe0458ffa89124af8d80e
MD5 hash:
c525fbe0ee1fc8d400dde70848e60325
SHA1 hash:
14a6e8f6e96541e3bf998dbcf86fc54b224d617b
SH256 hash:
873f7e8dbe2f904051b3a9ae7aa06c5b53bb0d8011a0316267fd736a4d4a1477
MD5 hash:
647acb72f7f6235cc2647f8026abb2b8
SHA1 hash:
6515cc2c90467ca14676052288dbcee3490bf036
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: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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments