MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eac176276ac9472b58ad204d92036f532ce91bc1aa72c5e20bce31743fe612d7. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: eac176276ac9472b58ad204d92036f532ce91bc1aa72c5e20bce31743fe612d7
SHA3-384 hash: c7029f0cd81f0bd7b1f9674892dce7b3e6e01db53185ede7cffcbc8d345c6cfc84369aa7d694e4c4aa21dfc8b0d1168e
SHA1 hash: 5545be81c8a6c6993534acb67581b2049cfe31bf
MD5 hash: f5d0d80021a2eb9424ff9a561c317864
humanhash: quebec-double-timing-nineteen
File name:20891.pdf.exe
Download: download sample
Signature AgentTesla
File size:572'928 bytes
First seen:2023-08-10 06:23:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:vGTIYlV2xv4k2LWMPr5MUt1EXZH1xkgeYqjRXhD:8IYlVqAkeWEr5ja3kgajRxD
Threatray 5'491 similar samples on MalwareBazaar
TLSH T1EBC423A117F48E68CDBAD67EC43419006332B95F44FCC64F16082D7A9A36FA25E45FCA
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
278
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
20891.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-10 06:42:07 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1289191 Sample: 20891.pdf.exe Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 6 other signatures 2->61 7 20891.pdf.exe 7 2->7         started        11 ujNYLldJb.exe 5 2->11         started        13 MmRKwR.exe 5 2->13         started        15 MmRKwR.exe 2->15         started        process3 file4 51 C:\Users\user\AppData\Roaming\ujNYLldJb.exe, PE32 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmp768C.tmp, XML 7->53 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 7->71 73 Adds a directory exclusion to Windows Defender 7->73 17 20891.pdf.exe 2 5 7->17         started        21 powershell.exe 19 7->21         started        35 2 other processes 7->35 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 23 ujNYLldJb.exe 11->23         started        25 schtasks.exe 11->25         started        27 MmRKwR.exe 13->27         started        29 schtasks.exe 13->29         started        31 MmRKwR.exe 15->31         started        33 schtasks.exe 15->33         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->47 dropped 49 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->49 dropped 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->65 37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 29->41         started        67 Tries to harvest and steal browser information (history, passwords, etc) 31->67 43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-10 01:48:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
d420b159786f66092faef7716ae014092b5ec3a8b58ee15f23892d10fad8b6f0
MD5 hash:
2fe7f536b2010e177363dd871f8d4cb6
SHA1 hash:
814c96b67216a128c45a901f74e315298e6724d2
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
eac176276ac9472b58ad204d92036f532ce91bc1aa72c5e20bce31743fe612d7
MD5 hash:
f5d0d80021a2eb9424ff9a561c317864
SHA1 hash:
5545be81c8a6c6993534acb67581b2049cfe31bf
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 eac176276ac9472b58ad204d92036f532ce91bc1aa72c5e20bce31743fe612d7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments