MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b826516b9fe4412f730527fa84dd3f1f927b58c933fad403dc64e54815cb147a. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: b826516b9fe4412f730527fa84dd3f1f927b58c933fad403dc64e54815cb147a
SHA3-384 hash: a94c05b2f23f1751e476144a49980b30dcbb5792503c90a3d5b16ac5287de2a7d301484c032264229d859456da9d4b42
SHA1 hash: d59b3d0a910746d44957c12644e9dad8b8e7094e
MD5 hash: dd08e1ea84a5a68d8af06c36f3143140
humanhash: pluto-spring-iowa-orange
File name:Quote.exe
Download: download sample
Signature AgentTesla
File size:174'592 bytes
First seen:2022-06-24 17:16:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:NWwwr6+9vYrpja566666666V66666666R66666666WDDYPjl9B5pJJJWIXvZbg:QwY64vLXvu
Threatray 18'389 similar samples on MalwareBazaar
TLSH T1DB04A5362D379404FFFCC239BDD0739402647ABEADC90F86E448B6CA36A72D55270966
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 66c29abaaaaaaa86 (20 x AgentTesla, 10 x Formbook, 7 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
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)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 651996 Sample: Quote.exe Startdate: 24/06/2022 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Yara detected AgentTesla 2->74 76 5 other signatures 2->76 7 Quote.exe 16 7 2->7         started        11 Rbpnkh.exe 3 2->11         started        14 Rbpnkh.exe 14 4 2->14         started        process3 dnsIp4 54 192.3.245.147, 49758, 49771, 49781 AS-COLOCROSSINGUS United States 7->54 56 192.168.2.1 unknown unknown 7->56 46 C:\Users\user\AppData\Roaming\...\Rbpnkh.exe, PE32 7->46 dropped 48 C:\Users\user\...\Rbpnkh.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\Quote.exe.log, ASCII 7->50 dropped 16 InstallUtil.exe 2 7->16         started        20 InstallUtil.exe 7->20         started        22 cmd.exe 1 7->22         started        78 Writes to foreign memory regions 11->78 80 Injects a PE file into a foreign processes 11->80 24 InstallUtil.exe 11->24         started        26 cmd.exe 11->26         started        82 Machine Learning detection for dropped file 14->82 28 InstallUtil.exe 14->28         started        30 cmd.exe 1 14->30         started        32 InstallUtil.exe 14->32         started        file5 signatures6 process7 dnsIp8 52 mail.lakemitchellconstruction.com 192.169.144.85, 49773, 49832, 587 AS-26496-GO-DADDY-COM-LLCUS United States 16->52 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->60 34 conhost.exe 22->34         started        36 timeout.exe 1 22->36         started        62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->62 64 Tries to steal Mail credentials (via file / registry access) 24->64 66 Tries to harvest and steal ftp login credentials 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 38 conhost.exe 26->38         started        40 timeout.exe 26->40         started        42 conhost.exe 30->42         started        44 timeout.exe 30->44         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-24 17:15:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
b826516b9fe4412f730527fa84dd3f1f927b58c933fad403dc64e54815cb147a
MD5 hash:
dd08e1ea84a5a68d8af06c36f3143140
SHA1 hash:
d59b3d0a910746d44957c12644e9dad8b8e7094e
Malware family:
AgentTesla.v3
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

  
Delivery method
Other

Comments