MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037
SHA3-384 hash: c26bcbc52315b3a69c08e1fe2cfa581f907e6982650c15ef9f8e490e829bc1070c9a9c6195ba860d19406503abc11998
SHA1 hash: 6d3347389275790be40e2d33f75c96f8ad025bcd
MD5 hash: 2c1bdb573c1e0d042a774f1225c66fde
humanhash: black-cola-alpha-march
File name:Purchase Order 2023.0608.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:975'872 bytes
First seen:2023-06-12 09:37:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/VTtTxHJ3wr+ZJSFTVAG10QkX1jdpDSLN28KnZ+97x+:/hXHJTJSpCG10RhKLN2jngRx+
Threatray 4 similar samples on MalwareBazaar
TLSH T1E725A2BC4C43E4EBEE78E23A95F02747B7291416765E398D22DA37415D83DC2B2D0A1E
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 adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 2023.0608.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-12 09:38:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5380ca0e-d933-4e62-8d85-1345d2ea29aa

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/397885/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.28384.14523.27988.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
clipbanker cmd.exe fingerprint lolbin packed
Link:
https://www.filescan.io/uploads/6486e78b08b287b7595b3ad9/reports/53d408f1-8674-486b-afc4-2cfb366c55e3/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fbf4166d-04ee-4cf9-b1d0-bee2ad592bb1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252860
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 885881 Sample: Purchase_Order_2023.0608.pdf.exe Startdate: 12/06/2023 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 7 other signatures 2->39 7 Purchase_Order_2023.0608.pdf.exe 6 2->7         started        11 XvHegWjd.exe 2 2->11         started        process3 file4 21 C:\Users\user\AppData\Roaming\XvHegWjd.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpA571.tmp, XML 7->23 dropped 25 C:\...\Purchase_Order_2023.0608.pdf.exe.log, ASCII 7->25 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Writes to foreign memory regions 7->45 47 Injects a PE file into a foreign processes 7->47 13 MSBuild.exe 15 2 7->13         started        17 schtasks.exe 1 7->17         started        49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 signatures5 process6 dnsIp7 27 mail.weurth-industrie.com 162.241.27.28, 49708, 587 UNIFIEDLAYER-AS-1US United States 13->27 29 api4.ipify.org 64.185.227.155, 443, 49707 WEBNXUS United States 13->29 31 2 other IPs or domains 13->31 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->55 57 May check the online IP address of the machine 13->57 59 2 other signatures 13->59 19 conhost.exe 17->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2023-06-08 09:13:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q67tzo3ikxvh5t3s7dfqffccojtdht4bxwufixucwwepo6mvca3q._file
Verdict:
malicious
Similar samples:
7e781f414da0e2f65ca8c1a8a103a9b88d2d8e4d6c53998642f271e40b29ff68
AgentTesla
949c549fbf47f559d9e0aa2cb247c955a1d9f35d8b7e4bcb675bd8697b081fe2
AgentTesla
c80eb3477fe87ce75b724d82194756e62b21860925664ee3782b0a1a7d7b925a
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230612-ll3xhsbh3s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/ccc1b108-828e-42e8-aedf-a821903bfe5f/
SH256 hash:
6e117cfd2e1e2836be997004105b39bcc3f1765a6c7613b6b8b5e5f59d40b04b
MD5 hash:
76b75db1203787e3f85a220c16d3e36c
SHA1 hash:
ba7b6bcda63561b1501c616c0738a3928706bbc3
Link:
https://www.unpac.me/results/ccc1b108-828e-42e8-aedf-a821903bfe5f/
SH256 hash:
b423395126e51d35f295484486a07c8dd1874796904f9dcd284ad2f6c39c25e6
MD5 hash:
a5806c017c71c4bf5983d5f33a7e4bea
SHA1 hash:
7eed1ed54b693f9df098671d51223e8013cd4413
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/ccc1b108-828e-42e8-aedf-a821903bfe5f/
Parent samples :
cdc9c49e55a2ad25e3f5b03fc03d9e98fb33ea68993033b5ad485d5751501e12
87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037
SH256 hash:
87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037
MD5 hash:
2c1bdb573c1e0d042a774f1225c66fde
SHA1 hash:
6d3347389275790be40e2d33f75c96f8ad025bcd
Link:
https://www.unpac.me/results/ccc1b108-828e-42e8-aedf-a821903bfe5f/
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/87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037

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
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 87bf3cbb6855ea7ecf72f8cb029442726633cf81bda8545e82b588f779951037

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/397885/

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