MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a879de37c3e3f094b338f9850c0bf32dff3016d3713bc8ce9dfb2c6055a0519. 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 7 File information Comments

SHA256 hash: 6a879de37c3e3f094b338f9850c0bf32dff3016d3713bc8ce9dfb2c6055a0519
SHA3-384 hash: 05bf7d4e56720b33877b98a432118eca0952ae6aa9c391138622003349dda938ce670ab500dde61639a563cdc067923a
SHA1 hash: 1a5e3041545184e5098aef5ecae9f2a350e79e3e
MD5 hash: 51def15087fdb1eb7f5708ccebeb2a81
humanhash: uniform-king-glucose-alabama
File name:SecuriteInfo.com.Win32.CrypterX-gen.28470.21066
Download: download sample
Signature AgentTesla
File size:1'101'312 bytes
First seen:2023-08-24 03:29:22 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 24576:T3aVAy/dAn54zNf5Rw6d+LzEUmBCNxschxxwoeIHN:6lplYt
Threatray 5'602 similar samples on MalwareBazaar
TLSH T15435BFA776CE99A0CE044F76C2EF541123F9E6D37AE3C19AAA4B23F72D423994D01507
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 :
342
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.28470.21066
Verdict:
Malicious activity
Analysis date:
2023-08-24 03:31:07 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
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% 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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Sigma detected: MSBuild connects to smtp port
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 AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1296323 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 24/08/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 6 SecuriteInfo.com.Win32.CrypterX-gen.28470.21066.exe 1 5 2->6         started        10 Mzmxpqk.exe 5 2->10         started        12 Mzmxpqk.exe 4 2->12         started        14 2 other processes 2->14 process3 file4 31 C:\Users\user\AppData\Roaming\Mzmxpqk.exe, PE32 6->31 dropped 69 Creates multiple autostart registry keys 6->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->71 73 Writes to foreign memory regions 6->73 16 MSBuild.exe 17 4 6->16         started        75 Antivirus detection for dropped file 10->75 77 Multi AV Scanner detection for dropped file 10->77 79 Machine Learning detection for dropped file 10->79 21 MSBuild.exe 10->21         started        81 Injects a PE file into a foreign processes 12->81 23 MSBuild.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 14->27         started        signatures5 process6 dnsIp7 33 mail.sachingandhiarchitects.com 176.74.27.65, 587 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU United Kingdom 16->33 35 api4.ipify.org 104.237.62.211, 443, 49717 WEBNXUS United States 16->35 45 2 other IPs or domains 16->45 29 C:\Users\user\AppData\Roaming\...\qLYhCbk.exe, PE32 16->29 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->57 59 May check the online IP address of the machine 16->59 61 Creates multiple autostart registry keys 16->61 37 173.231.16.76, 443, 49727 WEBNXUS United States 21->37 39 api.ipify.org 21->39 41 64.185.227.156, 443, 49733 WEBNXUS United States 23->41 43 api.ipify.org 23->43 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->67 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-23 21:47:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
3d04eff0e547a938a19fba455106361c3eb88ce02eb1f45b468178b4c422e18d
MD5 hash:
d84cda5f70cf072cda89e73677e5b07c
SHA1 hash:
dee36b2ecd0cb275ea6a6a86ca2a9e611080feef
SH256 hash:
cba4d7284ea4b4bdc5dff48cbd7ef83aaf90c6b12e70116088d32e4242edf3c9
MD5 hash:
5a85c659b8205679b9bf678068855bf2
SHA1 hash:
1ed8fa61fdd492ac835a0aabdd782be8c04768cc
SH256 hash:
47c6ae7f6f43f1dedc30ab503494d16b26e1cf579072d4cf87ecdc09e8720477
MD5 hash:
1b59f7d1c6d1d7c9ff4e19be74ca5735
SHA1 hash:
1ccb756fd2f38cee492133b7a723715dc3789f01
SH256 hash:
6a879de37c3e3f094b338f9850c0bf32dff3016d3713bc8ce9dfb2c6055a0519
MD5 hash:
51def15087fdb1eb7f5708ccebeb2a81
SHA1 hash:
1a5e3041545184e5098aef5ecae9f2a350e79e3e
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