MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb3d82bb5d2ea0c9636a4d2eb6137cee81026f4b348eef7c9d269cbc346d1521. 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 17 File information Comments

SHA256 hash: fb3d82bb5d2ea0c9636a4d2eb6137cee81026f4b348eef7c9d269cbc346d1521
SHA3-384 hash: 3da6859af9ad20c252973da6ffd34be6fbf1202f75db42fd50b4347e47d8994cd62365af91a1fd3ab37c3869916895fe
SHA1 hash: 483d614d7586bacfefe2b8b226f22ab056682d16
MD5 hash: 147240336f98a7fc1f2062c57816a27d
humanhash: uncle-high-missouri-winner
File name:New Order.pif
Download: download sample
Signature AgentTesla
File size:717'312 bytes
First seen:2024-02-29 09:24:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0zNwnqs3y44sAGk0fGQGCSqrPzOny+qTGU3ajf5HkD8Zm4tAN92fXoqq3AjLc8AY:pnPAGk0fl3FPzOBqTGjjxED83tqcAA30
TLSH T17CE4221762488B2AD40A8B75197F4E210B37FF977D01F12D99C6B2AF1A773C20A035A7
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):PE icon
dhash icon 74f4888a8c8880a4 (8 x SnakeKeylogger, 2 x AgentTesla, 2 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
fb3d82bb5d2ea0c9636a4d2eb6137cee81026f4b348eef7c9d269cbc346d1521.exe
Verdict:
Malicious activity
Analysis date:
2024-02-29 09:31:19 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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, PureLog Stealer
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
.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
Initial sample is a PE file and has a suspicious name
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: 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 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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1400789 Sample: New Order.pif.exe Startdate: 29/02/2024 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 16 other signatures 2->51 7 WcxjugOFodG.exe 5 2->7         started        10 New Order.pif.exe 7 2->10         started        process3 file4 53 Multi AV Scanner detection for dropped file 7->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Machine Learning detection for dropped file 7->57 13 WcxjugOFodG.exe 7->13         started        16 schtasks.exe 7->16         started        18 WcxjugOFodG.exe 7->18         started        39 C:\Users\user\AppData\...\WcxjugOFodG.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmpBC13.tmp, XML 10->41 dropped 59 Adds a directory exclusion to Windows Defender 10->59 61 Injects a PE file into a foreign processes 10->61 20 New Order.pif.exe 15 2 10->20         started        23 powershell.exe 23 10->23         started        25 powershell.exe 23 10->25         started        27 schtasks.exe 1 10->27         started        signatures5 process6 dnsIp7 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->63 65 Tries to steal Mail credentials (via file / registry access) 13->65 67 Tries to harvest and steal browser information (history, passwords, etc) 13->67 29 conhost.exe 16->29         started        43 5.255.100.203, 21, 49734, 49735 LITESERVERNL Netherlands 20->43 31 conhost.exe 23->31         started        33 WmiPrvSE.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-28 00:53:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
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
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
Unpacked files
SH256 hash:
f3801f4bd4a2a563ca6d7b46b44aba6a326f7342be6c1357745a9769dd71892c
MD5 hash:
d8f2dd58178fa8de52a8dab44ec8a25d
SHA1 hash:
e89dee84847fbf1e6df10539a6e28324ce8516a2
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 MALWARE_Win_AgentTeslaV2 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:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
0190398cd1ee7458b2ad4de5bae10989d4f63420c848cc3c80a3c69296dc383f
MD5 hash:
970503effbe2981f2044430e63d4fb4e
SHA1 hash:
5a4c26491580bd7f79c8a4805ef36e9ecf3f1556
SH256 hash:
a85229b32ee57c1964274fdb3fa878375f4467372389e53d4e43212fb3d02a29
MD5 hash:
d3e3c18186ef659f3088f9a0fdf1dd00
SHA1 hash:
28040ef83be063ca2babcf385997f6c4f8060eb7
SH256 hash:
fb3d82bb5d2ea0c9636a4d2eb6137cee81026f4b348eef7c9d269cbc346d1521
MD5 hash:
147240336f98a7fc1f2062c57816a27d
SHA1 hash:
483d614d7586bacfefe2b8b226f22ab056682d16
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:AgentTeslaV2
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
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:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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

AgentTesla

Executable exe fb3d82bb5d2ea0c9636a4d2eb6137cee81026f4b348eef7c9d269cbc346d1521

(this sample)

  
Delivery method
Distributed via e-mail attachment

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