MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8471fcbd72382b544bf61c72954cd414af72316ecabff24485617a0fc800a9dd. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 8471fcbd72382b544bf61c72954cd414af72316ecabff24485617a0fc800a9dd
SHA3-384 hash: 098cbdee7a19452c49586225b66497400678038073b9b26ae6924cfc048e28f7383becf6ddbce21161aec68c35d9f741
SHA1 hash: 47a2606f4830bb935f3baf46bfcefee973ead6fc
MD5 hash: 6b036c7623d3100e8deb9b8851326abc
humanhash: maine-skylark-failed-crazy
File name:Dewell HBL DRAFT -HBL#SBKKS0007377-MBL#COSU8029379970 -6 FAB 2023.exe
Download: download sample
Signature AgentTesla
File size:610'816 bytes
First seen:2023-02-07 13:59:54 UTC
Last seen:2023-02-09 21:17:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:WYdNAeScK9Dne7f4WYMTyPdLX2tuCAe/ZXP7DyNmDP6XzAFLZE43G5p9OwRIkGY/:R4Tp7MTyPdLX2tuCAe/ZX/yNc6y1E43d
Threatray 21'172 similar samples on MalwareBazaar
TLSH T124D4C53E697B56E2C578F93986E18420B5AD83933303C998DDDA2BC0CF016867DCE65D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Dewell HBL DRAFT -HBL#SBKKS0007377-MBL#COSU8029379970 -6 FAB 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 14:03:18 UTC
Tags:
agenttesla

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
Sending a custom TCP request
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
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll
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.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800484 Sample: Dewell HBL DRAFT -HBL#SBKKS... Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 7 other signatures 2->51 7 Dewell HBL DRAFT -HBL#SBKKS0007377-MBL#COSU8029379970 -6 FAB 2023.exe 6 2->7         started        11 CUcKgNKjcpvAiS.exe 5 2->11         started        13 tKZVPq.exe 2 2->13         started        15 tKZVPq.exe 1 2->15         started        process3 file4 39 C:\Users\user\AppData\...\CUcKgNKjcpvAiS.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp1C6F.tmp, XML 7->41 dropped 43 Dewell HBL DRAFT -...-6 FAB 2023.exe.log, ASCII 7->43 dropped 59 Writes to foreign memory regions 7->59 61 Injects a PE file into a foreign processes 7->61 17 RegSvcs.exe 2 4 7->17         started        21 schtasks.exe 1 7->21         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 23 RegSvcs.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        27 RegSvcs.exe 11->27         started        29 conhost.exe 13->29         started        31 conhost.exe 15->31         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 17->37 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->57 33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-06 03:56:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 39 (56.41%)
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
Drops file in Drivers directory
AgentTesla payload
AgentTesla
Unpacked files
SH256 hash:
f1a770730eb02133f29644e2f8e5580d656de8c92493b092619b0a70b6971ebe
MD5 hash:
398cdfaa55d2538334de33f4569efc56
SHA1 hash:
9a60f323b5e5006f0502c778daecead184a2cb33
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
8471fcbd72382b544bf61c72954cd414af72316ecabff24485617a0fc800a9dd
MD5 hash:
6b036c7623d3100e8deb9b8851326abc
SHA1 hash:
47a2606f4830bb935f3baf46bfcefee973ead6fc
Malware family:
AgentTesla.v3
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.

  
Delivery method
Other

Comments