MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990
SHA3-384 hash: 8c915466f163d24276bfd654f164e0af30aea96431dcee19050c8d44744b15ea12e8b71039e352c48a3e4aa5773281f9
SHA1 hash: 4189b1a48f7e0c20f3c4edb121d766b8d21337f0
MD5 hash: 2b3e41c3012303ae532d33f16ce585ea
humanhash: stream-ten-item-twenty
File name:New Purchase Order - April_05_2022.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:310'272 bytes
First seen:2022-04-05 21:27:51 UTC
Last seen:2022-04-05 22:33:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 3072:x8BmXvK2wf/TX+Ic8blTKtrgAf5y1i+cIZQ80OE9cxzB2FU5EAblfv2KL8QR6rub:x8AftIBbiR5Ci+cIWY5BYVGlWs4k2
Threatray 16'796 similar samples on MalwareBazaar
TLSH T199644B203A055593D58F88F2688F41A68791B969B372ED0F77C0BD2DC91B6F04E5E2EC
File icon (PE):PE icon
dhash icon b2bec096ac968682 (15 x AgentTesla, 5 x Formbook, 3 x AveMariaRAT)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261103/
Detection(s):
SecuriteInfo.com.Malware.AI.4100681090.29069.3948.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/624cb46540ce5db9f41310be/reports/5d82ba3a-53fd-43ec-a7f9-3b9d6286983e/overview
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:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a91b542e-6a44-4c58-8f9f-3315b9555d19
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971191
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: Silenttrinity Stager Msbuild Activity
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603678 Sample: New Purchase Order - April_... Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 62 api.telegram.org 2->62 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 11 other signatures 2->88 8 New Purchase Order - April_05_2022.exe 16 7 2->8         started        13 Napoc.exe 14 3 2->13         started        15 Napoc.exe 3 2->15         started        signatures3 process4 dnsIp5 66 trieutin.com 119.17.253.214, 443, 49701, 49709 NETNAM-AS-APNetnamCompanyVN Viet Nam 8->66 54 C:\Users\user\AppData\Roaming\...54apoc.exe, PE32 8->54 dropped 56 C:\Users\user\...56apoc.exe:Zone.Identifier, ASCII 8->56 dropped 58 New Purchase Order...ril_05_2022.exe.log, ASCII 8->58 dropped 90 Writes to foreign memory regions 8->90 92 Allocates memory in foreign processes 8->92 94 Injects a PE file into a foreign processes 8->94 17 MSBuild.exe 14 6 8->17         started        21 MSBuild.exe 8->21         started        23 cmd.exe 1 8->23         started        25 cmd.exe 1 8->25         started        96 Machine Learning detection for dropped file 13->96 27 cmd.exe 1 13->27         started        29 cmd.exe 13->29         started        31 cmd.exe 15->31         started        33 cmd.exe 15->33         started        file6 signatures7 process8 dnsIp9 60 api.telegram.org 149.154.167.220, 443, 49706, 49708 TELEGRAMRU United Kingdom 17->60 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Tries to steal Mail credentials (via file / registry access) 17->70 72 Tries to harvest and steal ftp login credentials 17->72 80 2 other signatures 17->80 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->76 78 Uses ping.exe to check the status of other devices and networks 23->78 35 PING.EXE 1 23->35         started        42 2 other processes 23->42 44 2 other processes 25->44 38 PING.EXE 27->38         started        46 2 other processes 27->46 48 2 other processes 29->48 40 PING.EXE 31->40         started        50 2 other processes 31->50 52 2 other processes 33->52 signatures10 process11 dnsIp12 64 google.com 142.250.185.238 GOOGLEUS United States 35->64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990/
Threat name:
ByteCode-MSIL.Keylogger.KeyBase
Create hunting rule
Status:
Malicious
First seen:
2022-04-05 21:27:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbleoi4oz567gwbms6dbjlsci7gffxvsnvtsxo2ffzhkd3jdhgia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5d44448d9368f5ec2b3594446bca10ae98f173176a4e9a55fd239c3c6d9c6edd
AgentTesla
6fe3e4a455584fd416ce8c785e95c072e52b08b9c8749564188f784fa7ff7f10
AgentTesla
91db81cd38b9f713767e35c4012057b99734e8e0e889af77935c6a0b47eedcbb
AgentTesla
961b3c31dce2146e97c694b3d02e9818b7e637c569c2b9c034c5f4e713bb7a5b
AgentTesla
c4892c08f2dc00c82b9699c2ba77083926672eee12ed1d4dc22de4512407f8fa
AgentTesla
defbeba113680db4e014a2b34be77a64529d1e0d5fb837e732eec92b842d364d
AgentTesla
fdbfd86d881dfeec672cebd092177e80ca35d99a08f834dfecdffadbd4444104
AgentTesla
+ 16'786 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/220405-1bbgvaggcq/
Behaviour
Delays execution with timeout.exe
Runs ping.exe
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
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5257540806:AAHfdEOucX0SGh3bzy9zivJOu6xbXCuqEE8/sendDocument
Unpacked files
SH256 hash:
285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990
MD5 hash:
2b3e41c3012303ae532d33f16ce585ea
SHA1 hash:
4189b1a48f7e0c20f3c4edb121d766b8d21337f0
Link:
https://www.unpac.me/results/7c11b605-aea4-49e7-8e8f-ce7435a0d024/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/285647238ecf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.48
Link:
https://yomi.yoroi.company/submissions/285647238ecf7df3582c978614ae4247cc52deb26d672bbb452e4ea1ed233990

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/261103/

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