MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f33a276306fd0b9596bd5c6675551928b661dfd970db9d96a105ce144717b71. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments

SHA256 hash: 8f33a276306fd0b9596bd5c6675551928b661dfd970db9d96a105ce144717b71
SHA3-384 hash: 03647a377b0cba08a89954655fa2e0744a33a7f9b402288ce6b6f312eb126726a2ff72180873f80cb3c2f8ced6f7a406
SHA1 hash: 68d62e93d0f2927a766ba6d6da6b83e05e1ec07d
MD5 hash: 0b381fde9a6d83204715d5a429ed0e86
humanhash: hot-spaghetti-winter-wisconsin
File name:SecuriteInfo.com.Win32.TrojanX-gen.11530.1442
Download: download sample
Signature AgentTesla
File size:325'632 bytes
First seen:2023-09-08 02:29:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:sScsigBfjS0uPhO8PIcXtOv5XD+kb+0QnqWYdeJf5BU9wjsiBcPvI/J:szgBf8PhO8wcdOxKkb2qOJf5BU9biBcC
Threatray 5'592 similar samples on MalwareBazaar
TLSH T17B64235563BDF830E9690472E3B693CCCA2D457A9E72DC0D4C61B24B5E15EF0CA48BE4
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 :
303
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.TrojanX-gen.11530.1442
Verdict:
Malicious activity
Analysis date:
2023-09-08 02:29:36 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
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
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:
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
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
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1305894 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 08/09/2023 Architecture: WINDOWS Score: 100 44 wecaresvc.com 2->44 46 mail.wecaresvc.com 2->46 48 2 other IPs or domains 2->48 50 Found malware configuration 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 7 SecuriteInfo.com.Win32.TrojanX-gen.11530.1442.exe 1 5 2->7         started        11 Qxmrwmb.exe 5 2->11         started        13 Qxmrwmb.exe 4 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\Qxmrwmb.exe, PE32 7->38 dropped 70 Creates multiple autostart registry keys 7->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->72 74 Writes to foreign memory regions 7->74 17 aspnet_compiler.exe 17 4 7->17         started        76 Antivirus detection for dropped file 11->76 78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 22 aspnet_compiler.exe 3 11->22         started        24 aspnet_compiler.exe 11->24         started        26 aspnet_compiler.exe 11->26         started        28 aspnet_compiler.exe 11->28         started        82 Allocates memory in foreign processes 13->82 84 Injects a PE file into a foreign processes 13->84 30 aspnet_compiler.exe 13->30         started        32 conhost.exe 15->32         started        34 conhost.exe 15->34         started        signatures6 process7 dnsIp8 40 wecaresvc.com 103.138.106.17, 49764, 49767, 49778 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 17->40 42 api4.ipify.org 64.185.227.156, 443, 49763, 49765 WEBNXUS United States 17->42 36 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->36 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 Tries to steal Mail credentials (via file / registry access) 17->62 64 Creates multiple autostart registry keys 17->64 66 Tries to harvest and steal browser information (history, passwords, etc) 30->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->68 file9 signatures10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-09-08 00:42:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
f22cdc9b4934137ff64e33986534cf383c95230435fcff73775dec4f715e7ed5
MD5 hash:
a9ce916629d80e53ab2fc69fad3cb415
SHA1 hash:
77b1058cde945683156e078fc602e45f9aeb185d
SH256 hash:
eaae818680739ae9f63c4f1db224f938b1f0ea9f215a4ac7a4a53f40125d9d5e
MD5 hash:
1eb5fe2edad4f4d57300268193cf8f98
SHA1 hash:
1d8bf27cab408d2298bdd046cf15342ee0c44919
SH256 hash:
bacd137ba4fcf9829456c1cc80ffb2478b7488f2c1e36ec918bf1aace384b64b
MD5 hash:
96c79693d87179dac08a9d7af60024a4
SHA1 hash:
0cf148455aad8a5c2ea31ec939ce0ee48b556703
SH256 hash:
8f33a276306fd0b9596bd5c6675551928b661dfd970db9d96a105ce144717b71
MD5 hash:
0b381fde9a6d83204715d5a429ed0e86
SHA1 hash:
68d62e93d0f2927a766ba6d6da6b83e05e1ec07d
Malware family:
AgentTesla.v4
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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