MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75
SHA3-384 hash: bdac41b22e1fdacc60d5a9d912bba933859d8ae25de8f23abd0a851c79779d8bf92fcf4495cb8403e4d6e17ca6af5947
SHA1 hash: 7f6b01f1271c4138a4f8bf38e9543afc0cfca582
MD5 hash: a576153b3c74a904b1f8f45092615859
humanhash: aspen-london-crazy-steak
File name:SecuriteInfo.com.Win32.PWSX-gen.29741.10451
Download: download sample
Signature AgentTesla
File size:720'896 bytes
First seen:2023-12-08 16:20:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:WEjuxvGmhyeQsIVTTcagHHG5N4MAHKGiOgHos2VAiOji8wuQ5nH:dmQeQ1VTTh6MAZ4oscghwT5n
TLSH T1C6E4123C6B7C7DF7C3BC19BC929560AD4BF31027A69AE78D1CC9988A69423CC5311786
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
FR FR
Vendor 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
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Sending an HTTP GET 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
Unauthorized injection to a system process
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1356384 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 08/12/2023 Architecture: WINDOWS Score: 100 49 mail.amtechcards.com 2->49 51 api4.ipify.org 2->51 53 2 other IPs or domains 2->53 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 10 other signatures 2->65 8 SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe 7 2->8         started        12 hUHGAJnhSxVB.exe 5 2->12         started        14 oIjuwq.exe 2->14         started        16 oIjuwq.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\hUHGAJnhSxVB.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpD57C.tmp, XML 8->45 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Writes to foreign memory regions 8->81 83 Allocates memory in foreign processes 8->83 91 2 other signatures 8->91 18 RegSvcs.exe 15 2 8->18         started        22 powershell.exe 18 8->22         started        24 schtasks.exe 1 8->24         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 26 RegSvcs.exe 1 4 12->26         started        29 schtasks.exe 1 12->29         started        31 RegSvcs.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 55 api4.ipify.org 104.237.62.212, 443, 49706, 49708 WEBNXUS United States 18->55 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->67 69 Contains functionality to register a low level keyboard hook 18->69 37 conhost.exe 22->37         started        39 conhost.exe 24->39         started        57 amtechcards.com 64.188.2.244, 49711, 49723, 587 ASN-QUADRANET-GLOBALUS United States 26->57 47 C:\Users\user\AppData\Roaming\...\oIjuwq.exe, PE32 26->47 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->71 73 Tries to steal Mail credentials (via file / registry access) 26->73 75 Tries to harvest and steal browser information (history, passwords, etc) 26->75 77 2 other signatures 26->77 41 conhost.exe 29->41         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-08 14:07:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
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
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
838e5000e114e29ebed5b65480a49b4438e51fa9987c6613149dd377252e272a
MD5 hash:
5120b64529a0108f59cddc8e4e3e1df8
SHA1 hash:
90acd7a847b2bbb928a8aa30423a0c314bd0f3e1
SH256 hash:
e895df93c51d0c34aec2b9d4c71ef03f1d2456d3bfa89960b888b77e5aab220c
MD5 hash:
efa41649f8a97a7b3791c559e52d194b
SHA1 hash:
79c4b97d7cf1af0e83fd3fd133a199406a11b17c
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:
b910d70d8693bdb8bb04a40353af2065bc8c9ab842f43c677e66584addde9f52
MD5 hash:
8ea65816937adde22e735b6187e12486
SHA1 hash:
344b73bcf5b7ac98ec675385e60697cd93e26439
SH256 hash:
e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75
MD5 hash:
a576153b3c74a904b1f8f45092615859
SHA1 hash:
7f6b01f1271c4138a4f8bf38e9543afc0cfca582
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

File information


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

Comments