MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12fe54830cf26470c381b3b9cf823676ea54d88c9341d345137a67c7bbfee822. 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: 12fe54830cf26470c381b3b9cf823676ea54d88c9341d345137a67c7bbfee822
SHA3-384 hash: e5fa4b5097278df8111291e14b7605f8a73b07f1faa3aea539799aa7866ff31b363813f921bd12bfbc7f07ca3e0d0ff5
SHA1 hash: 6b681abdaf337c3682434fd58683ae4491d9f750
MD5 hash: 57ec5c617c20fdebb495799ae040acc7
humanhash: speaker-finch-pennsylvania-fish
File name:NEED QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:852'480 bytes
First seen:2023-11-27 10:01:41 UTC
Last seen:2023-11-27 11:53:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Eti1KYlsZk6pz+pfUbSVo2YFf8mNFs2w/u2gImnMFgt3+iYCEiGI195d7BR6wTtG:EMAdMrYKmo2L5AiGYfpBhtD/U
TLSH T13C0512A6B6AC5B93E27E93F82962D04403F26D3A6071D70D7CC172CF59F1BA143A1A17
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
310
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
NEED QUOTATION.exe
Verdict:
Malicious activity
Analysis date:
2023-11-27 10:03:41 UTC
Tags:
agenttesla stealer

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
Сreating synchronization primitives
Searching for synchronization primitives
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
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
DNS request
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
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)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348414 Sample: NEED_QUOTATION.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 57 us2.smtp.mailhostbox.com 2->57 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 9 other signatures 2->67 8 NEED_QUOTATION.exe 7 2->8         started        12 LnIBVzKKAo.exe 5 2->12         started        14 CenfP.exe 2->14         started        16 CenfP.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\LnIBVzKKAo.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp5703.tmp, XML 8->55 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 8->81 83 Adds a directory exclusion to Windows Defender 8->83 18 NEED_QUOTATION.exe 1 5 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 89 Contains functionality to register a low level keyboard hook 12->89 27 LnIBVzKKAo.exe 12->27         started        35 2 other processes 12->35 91 Injects a PE file into a foreign processes 14->91 29 CenfP.exe 14->29         started        31 schtasks.exe 14->31         started        33 CenfP.exe 16->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 59 us2.smtp.mailhostbox.com 208.91.198.143, 49711, 49714, 49719 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 49 C:\Users\user\AppData\Roaming\...\CenfP.exe, PE32 18->49 dropped 51 C:\Users\user\...\CenfP.exe:Zone.Identifier, ASCII 18->51 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Tries to steal Mail credentials (via file / registry access) 18->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->73 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        75 Installs a global keyboard hook 27->75 43 conhost.exe 31->43         started        77 Tries to harvest and steal browser information (history, passwords, etc) 33->77 45 conhost.exe 35->45         started        47 conhost.exe 37->47         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-27 09:18:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
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:
9b4782435f360ecc5faeb31e402c8ec44057a57b28073419aa8379a3c33c2c93
MD5 hash:
ccd0bcc6cc01923e5ddf4ba72fc8fa12
SHA1 hash:
f2d4bd262aa5a6e2cf439488c1cae3968ab8d34a
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
SH256 hash:
ce3df6bb08b851a1c2d6765cad448c69e235f651884843efa29ca3ba4fa6d9d8
MD5 hash:
35d75cd0926b09960394107e8bc7f157
SHA1 hash:
abcafb047f4f7d7c9347576f3ec3b47478a5ae3e
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_EXE_Packed_GEN01
SH256 hash:
030645a1e11152bcf464aa446e19bcd23a313e15c207ce88e53c3e65f227a963
MD5 hash:
7c0840fd3b7809776a8087bab8eab006
SHA1 hash:
4a91311c58206cdf5cf23ecaeac6f1dc78757173
SH256 hash:
12fe54830cf26470c381b3b9cf823676ea54d88c9341d345137a67c7bbfee822
MD5 hash:
57ec5c617c20fdebb495799ae040acc7
SHA1 hash:
6b681abdaf337c3682434fd58683ae4491d9f750
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.

Malspam

AgentTesla

Executable exe 12fe54830cf26470c381b3b9cf823676ea54d88c9341d345137a67c7bbfee822

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments