MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6
SHA3-384 hash: 3836242bb38f884e19a5b490bca1103d25fb05cdabb8528b8ed2b6e785c992e7f7eb95fc72ee96e220515526106f1a94
SHA1 hash: 182af88c7f5338f8dbafbe6ba216addd30e26c83
MD5 hash: abe1678d14f0d73848d4616e8f144aad
humanhash: yankee-apart-east-thirteen
File name:ID_118.7_L6XTRI5FEKFUA-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'829'888 bytes
First seen:2023-04-14 17:45:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:calZWxJOlavQzKCPtISkG0L8G4Z1hTdoaKBHaEV6s9U3ZeevDdOkq+JvAKi6z:c/aOCId+1bjGKi
Threatray 2'061 similar samples on MalwareBazaar
TLSH T1FA85C0333683FEC2A7BA9D9CD44619549C809CBB531CE198BD88206F12BD914AF75EF1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 332363132d351943 (1 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ID_118.7_L6XTRI5FEKFUA-pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-14 17:46:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1a58a096-3b54-4e42-92f3-b60e79382e5a

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/382323/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Krypt.11.25591.20384.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6439915bf4a1f6ede14ecbc9/reports/1f0865f4-86e0-41ef-98f0-6774a1c442cb/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ac1c3c5-f4dc-4a77-b4ee-ac0e8950bb76
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1214095
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 847023 Sample: ID_118.7_L6XTRI5FEKFUA-pdf.exe Startdate: 14/04/2023 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Antivirus detection for dropped file 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 8 other signatures 2->78 7 ID_118.7_L6XTRI5FEKFUA-pdf.exe 1 4 2->7         started        11 setup.exe 2 2->11         started        13 setup.exe 1 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\AppData.exe, PE32 7->44 dropped 46 C:\Users\user\...\AppData.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\...\ID_118.7_L6XTRI5FEKFUA-pdf.exe.log, ASCII 7->48 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 Creates an undocumented autostart registry key 7->82 84 May check the online IP address of the machine 7->84 15 ID_118.7_L6XTRI5FEKFUA-pdf.exe 17 10 7->15         started        20 powershell.exe 16 7->20         started        86 Antivirus detection for dropped file 11->86 88 Multi AV Scanner detection for dropped file 11->88 90 Machine Learning detection for dropped file 11->90 22 setup.exe 11->22         started        24 powershell.exe 13 11->24         started        92 Encrypted powershell cmdline option found 13->92 94 Injects a PE file into a foreign processes 13->94 26 setup.exe 13->26         started        28 powershell.exe 13->28         started        30 setup.exe 13->30         started        32 2 other processes 13->32 signatures5 process6 dnsIp7 50 api4.ipify.org 104.237.62.211, 443, 49695 WEBNXUS United States 15->50 52 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 15->52 54 api.ipify.org 15->54 40 C:\Users\user\AppData\Local\...\setup.exe, PE32 15->40 dropped 42 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 15->42 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->62 64 Tries to steal Mail credentials (via file / registry access) 15->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->66 34 conhost.exe 20->34         started        56 64.185.227.155, 443, 49699, 49700 WEBNXUS United States 22->56 58 api.ipify.org 22->58 36 conhost.exe 24->36         started        60 api.ipify.org 26->60 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 70 Installs a global keyboard hook 26->70 38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-13 09:15:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
11 of 37 (29.73%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qf35gvw3wkcwhq6jauzqt2jd7eret5dqa4dniasfn6j6pahac33a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 2'051 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230414-wb98yscd91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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
AgentTesla
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
https://api.telegram.org/bot6111714079:AAFzzMdup6ZnmMRcX47JfRoV9xljqXoxRL0/
Unpacked files
SH256 hash:
8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6
MD5 hash:
abe1678d14f0d73848d4616e8f144aad
SHA1 hash:
182af88c7f5338f8dbafbe6ba216addd30e26c83
Link:
https://www.unpac.me/results/150b5cd7-7bfc-4d59-8e48-2b2b67d08639/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8177d356dbb2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 8177d356dbb28563c3c9053309e923f92249f4700706d402456f93e780e016f6

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/382323/

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