MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49. 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 8 File information Comments

SHA256 hash: 099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49
SHA3-384 hash: 08c6d3791aa05c49e482e86a254d9fb4e4716631a42760a96f9b82d3272696238737d133402ed10f03b661028eb6ddca
SHA1 hash: 41b36b638704b552add7d231ec09e53df1d96772
MD5 hash: 739c3c97cec880fcff0a384914adc5b3
humanhash: fifteen-blue-white-william
File name:purchase_order_pdf.exe
Download: download sample
Signature AgentTesla
File size:2'541'056 bytes
First seen:2021-02-09 12:18:05 UTC
Last seen:2021-02-10 14:18:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:l35db4064os1ZZZZZZgq0HbJAaaJNmsdlIhzJcWLxdjatKdAUAsAJACb1AmtALfj:+
Threatray 11'038 similar samples on MalwareBazaar
TLSH 57C51DF43DEB1E32169CB35A3170FFC9111FB2346494B7C6D322898A1A4B546A4E7E39
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase_order_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-09 12:20:48 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 350477 Sample: purchase_order_pdf.exe Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 2 other signatures 2->49 7 purchase_order_pdf.exe 3 2->7         started        10 UGxXf.exe 2 2->10         started        12 UGxXf.exe 1 2->12         started        process3 signatures4 51 Writes to foreign memory regions 7->51 53 Allocates memory in foreign processes 7->53 55 Hides threads from debuggers 7->55 57 2 other signatures 7->57 14 RegSvcs.exe 2 4 7->14         started        19 cmd.exe 1 7->19         started        21 WerFault.exe 23 9 7->21         started        23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        process5 dnsIp6 33 mail.tpcdel.com 103.35.120.75, 49721, 587 STPI-NOIDASoftwareTechnologyParksofIndiaBlock-IVIN India 14->33 31 C:\Users\user\AppData\Roaming\...\UGxXf.exe, PE32 14->31 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->39 41 4 other signatures 14->41 27 conhost.exe 19->27         started        29 timeout.exe 1 19->29         started        file7 signatures8 process9
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2021-02-09 08:37:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence ransomware spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ac10f0b56b87c0c262a6b079a73700ed55db54e5bd28e2db6f7619159461a479
MD5 hash:
afe4886bc43b404bc3bfad3d9698f202
SHA1 hash:
7ee7568c92a816f3b44f85cd161dd2ed69672f41
Detections:
win_agent_tesla_w1
SH256 hash:
d58482d897edceb391fcb9390e1027bd05cf2f8952cc6e9b53057357214b7825
MD5 hash:
125b2c0a7f5c900bbf26d0929a647fd1
SHA1 hash:
11614854e0d8df6be0018b398e666cc942587447
SH256 hash:
099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49
MD5 hash:
739c3c97cec880fcff0a384914adc5b3
SHA1 hash:
41b36b638704b552add7d231ec09e53df1d96772
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 099373f725f9e86956223d5ef4a3a4fcd96f6a531e55447441ce8ccf7be5ee49

(this sample)

Comments