MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f2f7e69a97b02fd0bbb40580b8f419f24da6276db9993dd33ec2653a633f5ca. 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 3 File information Comments

SHA256 hash: 3f2f7e69a97b02fd0bbb40580b8f419f24da6276db9993dd33ec2653a633f5ca
SHA3-384 hash: 34ed422c607476c2566b0983168e281de8fc806b74ba0f4e4fc410073d5a701a1bb0e4afbdb5f00de85e5a84e7b974f5
SHA1 hash: 98aa720e5566be00a73e26bf63ceb251f6bac57d
MD5 hash: f972162d3029fec1f251233a63876abf
humanhash: colorado-west-undress-ack
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:912'384 bytes
First seen:2021-04-27 16:32:00 UTC
Last seen:2021-04-27 17:51:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:mhWxJS1Kty1Qr/PKtc1A+RZdNltzKLGyIyUvx:mhWxJbtX/CmfZdNl3nD
Threatray 9 similar samples on MalwareBazaar
TLSH FA15D02227087F5DE03DC778A5241A0893F5F94BD71ADB9E7EE421CA2921E409F67723
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 16:34:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
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
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Sigma detected: Scheduled temp file as task from temp location
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 398591 Sample: vbc.exe Startdate: 27/04/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 8 other signatures 2->57 7 vbc.exe 7 2->7         started        11 kwnlbQd.exe 5 2->11         started        14 kwnlbQd.exe 2 2->14         started        process3 dnsIp4 37 C:\Users\user\AppData\...\QdBaSZasnQlA.exe, PE32 7->37 dropped 39 C:\Users\...\QdBaSZasnQlA.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp8DF4.tmp, XML 7->41 dropped 43 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 7->43 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 7->71 16 vbc.exe 2 9 7->16         started        21 schtasks.exe 1 7->21         started        23 vbc.exe 7->23         started        49 192.168.2.1 unknown unknown 11->49 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 77 Injects a PE file into a foreign processes 11->77 25 schtasks.exe 1 11->25         started        27 kwnlbQd.exe 11->27         started        file5 signatures6 process7 dnsIp8 45 rodcointl.com 192.185.161.67, 49743, 49744, 587 UNIFIEDLAYER-AS-1US United States 16->45 47 mail.rodcointl.com 16->47 33 C:\Users\user\AppData\Roaming\...\kwnlbQd.exe, PE32 16->33 dropped 35 C:\Users\user\...\kwnlbQd.exe:Zone.Identifier, ASCII 16->35 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->59 61 Tries to steal Mail credentials (via file access) 16->61 63 Tries to harvest and steal ftp login credentials 16->63 65 2 other signatures 16->65 29 conhost.exe 21->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2021-04-27 15:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
16 of 47 (34.04%)
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
3f2f7e69a97b02fd0bbb40580b8f419f24da6276db9993dd33ec2653a633f5ca
MD5 hash:
f972162d3029fec1f251233a63876abf
SHA1 hash:
98aa720e5566be00a73e26bf63ceb251f6bac57d
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Comments