MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da56d8f4ee82eaeb593bd5cd320e4d544163c674e26031edb6bd5c409953b2eb. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: da56d8f4ee82eaeb593bd5cd320e4d544163c674e26031edb6bd5c409953b2eb
SHA3-384 hash: 5c4eb6ddca1829ce41ee5dcdc35d01e0c378410e5ea8301276e7bd4791e396becc97336cab9863c72e605d6c7fe8e7e8
SHA1 hash: 79920fbff850c5a632e0e2b43ff400f13a8a6238
MD5 hash: 6e4c51c65c966531518f3ace3499ade7
humanhash: sodium-hotel-solar-mars
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:892'928 bytes
First seen:2023-03-09 20:01:54 UTC
Last seen:2023-03-09 21:28:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9ZGQ4l+T38LYYOyTFW2HqIcUrMQEsVuggBP3ABZbzQLKHdHz0:mQ4S8YzGHGMMQEscggBIBF8KH
Threatray 1'295 similar samples on MalwareBazaar
TLSH T1CE15283C9C651FC6E037FA300A65C391FA90D4B6B7008B1A2BF799095672676A3DF06D
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)
File icon (PE):PE icon
dhash icon 7aca8abab4a4b8da (33 x AgentTesla, 32 x SnakeKeylogger, 4 x DarkCloud)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2023-03-09 20:04:05 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
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
63%
Tags:
explorer.exe 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
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
Malicious sample detected (through community Yara rule)
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
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 823599 Sample: vbc.exe Startdate: 09/03/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 6 other signatures 2->62 7 vbc.exe 6 2->7         started        11 SbhNObg.exe 5 2->11         started        13 gcWPrHZ.exe 5 2->13         started        15 gcWPrHZ.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\Roaming\SbhNObg.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpC2C9.tmp, XML 7->48 dropped 50 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 7->50 dropped 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->74 76 Uses schtasks.exe or at.exe to add and modify task schedules 7->76 17 vbc.exe 2 5 7->17         started        22 schtasks.exe 1 7->22         started        24 vbc.exe 7->24         started        26 vbc.exe 7->26         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 82 Injects a PE file into a foreign processes 11->82 28 SbhNObg.exe 11->28         started        30 schtasks.exe 11->30         started        32 gcWPrHZ.exe 13->32         started        34 schtasks.exe 13->34         started        signatures5 process6 dnsIp7 52 us2.smtp.mailhostbox.com 208.91.199.224, 49702, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->52 42 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 17->42 dropped 44 C:\Users\user\...\gcWPrHZ.exe:Zone.Identifier, ASCII 17->44 dropped 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->64 66 Tries to steal Mail credentials (via file / registry access) 17->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->68 36 conhost.exe 22->36         started        70 Tries to harvest and steal browser information (history, passwords, etc) 28->70 38 conhost.exe 30->38         started        54 208.91.198.143, 49711, 587 PUBLIC-DOMAIN-REGISTRYUS United States 32->54 40 conhost.exe 34->40         started        file8 signatures9 process10
Threat name:
Win32.Trojan.GenSteal
Status:
Malicious
First seen:
2023-03-09 20:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
AgentTesla
Unpacked files
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
912f1121253826544e2d1a96c7f844f0b92ea19214c3a6d7ffac1354b6041d4e
MD5 hash:
b3b1dc85320d8b675b7c9cff5b428348
SHA1 hash:
03854117c71924cef65410008ccd0edf9afb9ac7
SH256 hash:
da56d8f4ee82eaeb593bd5cd320e4d544163c674e26031edb6bd5c409953b2eb
MD5 hash:
6e4c51c65c966531518f3ace3499ade7
SHA1 hash:
79920fbff850c5a632e0e2b43ff400f13a8a6238
Malware family:
AgentTesla
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: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