MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0
SHA3-384 hash: 5dc6304fecf586b603beed2a1f86263be72cd61a3f1d19aba3c17f8db203694704e391f548da68bd90da5cc60a49383f
SHA1 hash: 2e0d9495f6a265120fe49cb1e236705826dbd892
MD5 hash: 3effbe54f4eb62eda0ff516f501db318
humanhash: tennessee-missouri-oxygen-king
File name:scanner.dll.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:527'240 bytes
First seen:2023-05-16 17:57:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:aGkHW7Ut6TtSA8bqRwqUQaYESmBLoPaSXBQS5O+w2q1ACirGzCnDPdvAEY:KW7UmtSRtBnLodQS5O+w2q1ACirGzCnS
Threatray 1'422 similar samples on MalwareBazaar
TLSH T1E2B4019826FD8149E4BEBA78C5F282685AB639D33528F31E4D05707E1C61BC18D26F63
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter Neiki
Tags:AgentTesla signed

Code Signing Certificate

Organisation:Microsoft Corporation
Issuer:Microsoft Corporation
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-16T12:18:10Z
Valid to:2024-05-16T12:18:10Z
Serial number: f3059d159bf9b8677d70d28a2a2955ca
Thumbprint Algorithm:SHA256
Thumbprint: 616f80cbab38751d2f16300eb7ad77088f1b77454f32ef55234a7cfefebe1806
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scanner.dll.exe
Verdict:
Malicious activity
Analysis date:
2023-05-16 17:58:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4174bc12-53cd-4c37-bbdb-6982d973582a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/390552/
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.18917.30351.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Searching for the window
Launching a process
Creating a process from a recently created file
Creating a service
Loading a system driver
Changing a file
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Blocking the User Account Control
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6463c42a99100c283cd26666/reports/d48be6af-3537-44c5-a5b6-f3a8464bab26/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/86648b6d-aece-4510-a72c-7336cc3a55a0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1234771
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Creates multiple autostart registry keys
Disables UAC (registry)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sample uses string decryption to hide its real strings
Sigma detected: Schedule system process
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 867753 Sample: scanner.dll.exe Startdate: 16/05/2023 Architecture: WINDOWS Score: 100 78 api4.ipify.org 2->78 80 api.telegram.org 2->80 82 api.ipify.org 2->82 90 Snort IDS alert for network traffic 2->90 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 11 other signatures 2->96 10 scanner.dll.exe 1 8 2->10         started        14 svchost.exe 5 2->14         started        16 svchost.exe 3 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 70 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 10->70 dropped 72 C:\Users\user\AppData\...\scanner.dll.exe.log, ASCII 10->72 dropped 116 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->116 118 Creates multiple autostart registry keys 10->118 120 Drops PE files with benign system names 10->120 20 cmd.exe 1 10->20         started        22 cmd.exe 1 10->22         started        25 conhost.exe 10->25         started        74 C:\Windows\Temp\xto2kvwy.inf, Windows 14->74 dropped 122 Writes to foreign memory regions 14->122 124 Adds a directory exclusion to Windows Defender 14->124 126 Injects a PE file into a foreign processes 14->126 27 powershell.exe 14->27         started        29 conhost.exe 14->29         started        37 3 other processes 14->37 31 conhost.exe 16->31         started        76 C:\Windows\Temp\npoy05x3.inf, Windows 18->76 dropped 33 conhost.exe 18->33         started        35 conhost.exe 18->35         started        signatures6 process7 signatures8 39 svchost.exe 5 6 20->39         started        43 conhost.exe 20->43         started        45 timeout.exe 1 20->45         started        98 Uses schtasks.exe or at.exe to add and modify task schedules 22->98 47 conhost.exe 22->47         started        49 schtasks.exe 1 22->49         started        51 conhost.exe 27->51         started        process9 file10 68 C:\Users\user\AppData\Local\Temp\?????.sys, PE32+ 39->68 dropped 108 Writes to foreign memory regions 39->108 110 Adds a directory exclusion to Windows Defender 39->110 112 Disables UAC (registry) 39->112 114 2 other signatures 39->114 53 jsc.exe 39->53         started        58 powershell.exe 39->58         started        60 conhost.exe 39->60         started        62 21 other processes 39->62 signatures11 process12 dnsIp13 84 api4.ipify.org 104.237.62.211, 443, 49698, 49701 WEBNXUS United States 53->84 86 api.telegram.org 149.154.167.220, 443, 49699, 49700 TELEGRAMRU United Kingdom 53->86 88 api.ipify.org 53->88 66 C:\Users\user\AppData\Roaming\...\fOLFRQq.exe, PE32 53->66 dropped 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 53->100 102 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 53->102 104 May check the online IP address of the machine 53->104 106 5 other signatures 53->106 64 conhost.exe 58->64         started        file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0/
Threat name:
Win64.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-16 17:58:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rr3h4tqehi3rrcq2kkke6l2d7puutso4qrtkaxpeqezfwuj5ukya._file
Verdict:
malicious
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AgentTesla
+ 1'412 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230516-wj5y7sbh64/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Windows security modification
Looks for VMWare Tools registry key
Sets service image path in registry
Looks for VirtualBox Guest Additions in registry
AgentTesla
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot5556229164:AAG06WuQ2Ibcy5ZKb4lTSDlmionK0lTPWiM/
Unpacked files
SH256 hash:
8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0
MD5 hash:
3effbe54f4eb62eda0ff516f501db318
SHA1 hash:
2e0d9495f6a265120fe49cb1e236705826dbd892
Link:
https://www.unpac.me/results/9787244d-5b92-4139-84ac-d42bbdea921c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/390552/

Comments