MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15153863ec4bed33ce7f014da9861ef349b152b46a5978d5c03b5fe75544aea. 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: a15153863ec4bed33ce7f014da9861ef349b152b46a5978d5c03b5fe75544aea
SHA3-384 hash: 582ae9761078dc55aa34bd96601006fc3a86d19dd781e69a7c6f19686b4001bcfcd678dd150d33a2cc2118fe33318b83
SHA1 hash: b9df02151fb3c7284c0ca56bb4f0f24fbf24aa96
MD5 hash: c2a064248dd3d036d61b6ced53b13714
humanhash: potato-whiskey-item-muppet
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:602'624 bytes
First seen:2023-04-18 13:34:13 UTC
Last seen:2023-04-20 14:17:49 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:DOnbqjcUqVdf8+K64zfr1Z7H5Tx8nXE31GXYJaf06RTVKiuoZL1ahmSJ:DJBIe64zfRZ7H5TWnU1T+0OuyLcp
Threatray 205 similar samples on MalwareBazaar
TLSH T1E4D4F01991769EF2E2EE0B76000436D9CFB0A6E37872C23C0F9674D6DB9E7192D94187
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)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2023-04-18 13:35:05 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
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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 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 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 zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 848920 Sample: vbc.exe Startdate: 18/04/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 5 other signatures 2->49 7 vbc.exe 7 2->7         started        11 fUQmaRW.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\fUQmaRW.exe, PE32 7->33 dropped 35 C:\Users\user\...\fUQmaRW.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\Temp\tmp750.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 7->39 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 vbc.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 vbc.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 23 fUQmaRW.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 mail.focuzpartsmart.com 162.240.214.202, 49708, 49709, 587 UNIFIEDLAYER-AS-1US United States 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->63 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 31 conhost.exe 25->31         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-04-18 08:31:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
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:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
SH256 hash:
11ca681673355cbcf8d78cf34cb3964e1a5e226fdeeb3ea7a41834d36767ebbe
MD5 hash:
e1ba0a6375a97cd2736c8e993cba4bcc
SHA1 hash:
c9b1b82d9186b9092d3376133421c94077f51e11
SH256 hash:
0fd1f00d94aff36ad8f02077efb33ddf269985ea37038aae554ff6202fdc020f
MD5 hash:
8dfd8e44c82066f4aeeff652fa2a33c5
SHA1 hash:
b844952e48ecab0e7ab2e3d5e38a20629399f94c
SH256 hash:
ed9ce0a55442fc375b1abbf8c17e33dfe47a35003c2e95f555ff5e073f26353c
MD5 hash:
06f6bcbae76c0e79439a5a6db0d84fdb
SHA1 hash:
5f096e8f01f8a2765dec8b3678cb86ee154a3f5a
SH256 hash:
a15153863ec4bed33ce7f014da9861ef349b152b46a5978d5c03b5fe75544aea
MD5 hash:
c2a064248dd3d036d61b6ced53b13714
SHA1 hash:
b9df02151fb3c7284c0ca56bb4f0f24fbf24aa96
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.

  
Delivery method
Other

Comments