MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e
SHA3-384 hash: 0a6c118975bc79cf19846fb7d9097905fbb416f93a3e374b1061f65197b5457cb6e009ad8f0774a7cf8a3a0ca13af9cf
SHA1 hash: dc637cf1f46bff8c2a8f13bd9e6fd0cda4f0fedb
MD5 hash: c07b11daf27add4253f3016ec0efaf6a
humanhash: batman-river-may-three
File name:Payment Advice - Advice Ref[A1T9IvYc5tfi] Priority payment Customer Ref[PT3000030881A].exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'069'056 bytes
First seen:2023-08-08 06:15:12 UTC
Last seen:2023-08-08 07:23:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:q1I1R1I1nRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOlOguPhhRRYJjB0:qGvGRRs6CE3jLbO9Rs6CE3jLbO7upPRj
TLSH T12D353921E77B655AEF29A5E89E1F847239D5DC80F1B1C488BBE72C0385C23514E35BE2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Payment Advice - Advice Ref[A1T9IvYc5tfi] Priority payment Customer Ref[PT3000030881A].exe
Verdict:
Malicious activity
Analysis date:
2023-08-08 06:17:01 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/34ae5601-6bde-4f35-aed4-6e214cc5281a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/441174/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade packed replace
Link:
https://www.filescan.io/uploads/64d1dda3307d532333205d35/reports/8068a8cc-e3df-4726-bbc3-927898137037/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e
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/9764fb1c-bf50-4b78-a99f-65df0989b5b3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1287425
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
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 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
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1287425 Sample: Payment_Advice_-_Advice_Ref... Startdate: 08/08/2023 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Sigma detected: Scheduled temp file as task from temp location 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 5 other signatures 2->33 7 Payment_Advice_-_Advice_Ref[A1T9IvYc5tfi]_Priority_payment_Customer_Ref[PT3000030881A].exe 6 2->7         started        11 duXXst.exe 2 2->11         started        process3 file4 21 C:\Users\user\AppData\Roaming\duXXst.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpB487.tmp, XML 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Uses schtasks.exe or at.exe to add and modify task schedules 7->37 39 Injects a PE file into a foreign processes 7->39 13 Payment_Advice_-_Advice_Ref[A1T9IvYc5tfi]_Priority_payment_Customer_Ref[PT3000030881A].exe 2 7->13         started        17 schtasks.exe 1 7->17         started        41 Multi AV Scanner detection for dropped file 11->41 43 Machine Learning detection for dropped file 11->43 signatures5 process6 dnsIp7 25 us2.smtp.mailhostbox.com 208.91.199.224, 49718, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->25 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->45 47 Tries to steal Mail credentials (via file / registry access) 13->47 49 Tries to harvest and steal browser information (history, passwords, etc) 13->49 19 conhost.exe 17->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-08 03:07:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 38 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj4vailxn3oblljlt2jgi6ddjsoqkfqxj5l4bruiokwr23znvf7a._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230808-g1fy3scd91/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
d78aa757568413439b7c10074618af6dd1081870b6426b7a1562827ae7f3e9d1
MD5 hash:
63cedbe00296fa7cfd4e2f7399f90389
SHA1 hash:
01e389c2f6657f3b19a952f4edbf8a628866f675
Link:
https://www.unpac.me/results/898f9591-2f91-42e7-9017-c429f3fb72fd/
SH256 hash:
ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e
MD5 hash:
c07b11daf27add4253f3016ec0efaf6a
SHA1 hash:
dc637cf1f46bff8c2a8f13bd9e6fd0cda4f0fedb
Link:
https://www.unpac.me/results/898f9591-2f91-42e7-9017-c429f3fb72fd/
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/ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e

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
Create hunting rule
Author:malware-lu
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 ca795021776edc15ad2b9e926478634c9d0516174f57c0c68872ad1d6f2da97e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/441174/

Comments