MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1. 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: 4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1
SHA3-384 hash: c5a87e7809a5c68d77fa4e04c7932568ab350120cc49504a7bdadb7c2d2d11d9cb7cba7dc6405a380cfe67de20a0a823
SHA1 hash: d6c55d4734673f19cf2ec1affde62d4c48304374
MD5 hash: 4309b013599d3780f13a2e6d72ead771
humanhash: alpha-ceiling-batman-cup
File name:purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:671'744 bytes
First seen:2022-01-25 02:59:17 UTC
Last seen:2022-01-25 06:55:25 UTC
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:N9d/JXHeqLkYIbzCepMkcURtn93jb2DyhNGT553ewyYUpe3IjAp:NL/RcYIbzCe6hUR593jbFLjA
Threatray 14'021 similar samples on MalwareBazaar
TLSH T135E46CBD322071DFCC6BC9318F686D68AF6179B7930B92179017269D992D997CF200B3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/222141/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.18418.28058.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61ef67b8f81da814afa1ea52/reports/5da82730-7ece-49c4-b5d2-46f1a705f4d3/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f4f4558-00d0-42a3-b7fc-7070678d7359
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926732
Signature
.NET source code contains very large array initializations
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped file
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: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 559210 Sample: purchase order.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 11 other signatures 2->51 7 purchase order.exe 6 2->7         started        11 tKZVPq.exe 5 2->11         started        13 tKZVPq.exe 4 2->13         started        process3 file4 29 C:\Users\user\AppData\...\KJYRwVlLfiZWh.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp78E0.tmp, XML 7->31 dropped 33 C:\Users\user\...\purchase order.exe.log, ASCII 7->33 dropped 53 Injects a PE file into a foreign processes 7->53 15 purchase order.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->59 21 schtasks.exe 1 11->21         started        23 tKZVPq.exe 2 11->23         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->35 dropped 37 C:\Windows\System32\drivers\etc\hosts, ASCII 15->37 dropped 39 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->39 dropped 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 03:00:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4ydrcvxlsklnkbynlkrmfj6gzv6vnotxsqetihrmq5bb7lzytiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08908d529530612a61746d7e61ec8c4a6b9b8d017f3d3954e0cc91442c08e49d
AgentTesla
36447ff33c2c49c8a622b7972e6b20c05884a369e8ee59ae443fa579412444a0
AgentTesla
4b19e25b2907338e5919fb760324260035c71761de65fc94e8aaf74ed1154d6b
AgentTesla
61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
AgentTesla
6c838b83ecff0d930f544dc8b10c9e856e2d601bb2552f01cc6c8dd57c2f99ce
AgentTesla
85e4cc92a86a9824dfcf30f84f6ffb9314f3322cce17026171c422b98c200a71
AgentTesla
c27ee7916b7471bc3bf38a4ce92bb3075972ec46814f3ca0d71dbe24dc495e7d
AgentTesla
fbadf252eb04bc791373500dd2b28c45ef60bf5f34c711c4bff61fe5230c056c
AgentTesla
+ 14'011 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/220125-dhcxxsfce3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5f5a013242f1e07e0a1ca1d72c7903873873e576b13823c8c98e4d1a38818079
MD5 hash:
8d3b01a33d12662e91b8ad4d6184c641
SHA1 hash:
a6e5a5e84722720549e891945724aa0e599ba27b
Link:
https://www.unpac.me/results/d51b05b1-c67d-4cbe-9a87-fc55364283a1/
SH256 hash:
d4afa28a53732da085034d11077f7fb55dfd2a37e8465f267c0a4a1429aa7d4f
MD5 hash:
0d0bd9d460d3e902257ff0497c2ae873
SHA1 hash:
926743e073bb521fea622912eb3467abd32e1d4d
Link:
https://www.unpac.me/results/d51b05b1-c67d-4cbe-9a87-fc55364283a1/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/d51b05b1-c67d-4cbe-9a87-fc55364283a1/
SH256 hash:
4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1
MD5 hash:
4309b013599d3780f13a2e6d72ead771
SHA1 hash:
d6c55d4734673f19cf2ec1affde62d4c48304374
Link:
https://www.unpac.me/results/d51b05b1-c67d-4cbe-9a87-fc55364283a1/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4f30388ab75c/report/overview.html
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/4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Executable exe 4f30388ab75c94b6a8386ad516153e366beab5d3bca049a0f1643a10fd79c4d1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222141/

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