MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b
SHA3-384 hash: 4bae29645679c3628e2f9ac47ca64a6173de7c4fae2b5ddd97dab6f3432e99f412d71da18863c744ee5514f7083b92a9
SHA1 hash: 5c555e2c16fb5c245d8e412619b8245065ec7ad2
MD5 hash: 54df7f27e532c1d3f4a51f5413991318
humanhash: coffee-fruit-utah-georgia
File name:54df7f27e532c1d3f4a51f5413991318.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:419'840 bytes
First seen:2021-07-16 09:41:59 UTC
Last seen:2021-07-16 10:41:16 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 6144:YC59EUtsVsTx5wvgvQUbIGnfQZmR/G8ih6/q3+zoYIDpPY4PCBCLph9L:n59EXaTPdvQNpZmlfiI++hIDRY4p
Threatray 6'922 similar samples on MalwareBazaar
TLSH T1BE94F182A5485135C6984DFF80E573880EA6DD431B3AE894643F7EA97D323984BF934B
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
54df7f27e532c1d3f4a51f5413991318.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 09:42:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5a3a473d-ca41-472f-8b34-873e4c9cf39e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172161/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.9126.4225.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/4974fcb7-3200-4535-bb26-fdaad14c2dc0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817396
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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 access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449807 Sample: 2fPVqukqcm.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected AgentTesla 2->57 59 6 other signatures 2->59 6 2fPVqukqcm.exe 5 2->6         started        10 service.exe.exe 4 2->10         started        12 service.exe.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\2fPVqukqcm.exe, PE32 6->25 dropped 27 C:\Users\...\2fPVqukqcm.exe:Zone.Identifier, ASCII 6->27 dropped 29 C:\Users\user\AppData\...\2fPVqukqcm.exe.log, ASCII 6->29 dropped 61 Writes to foreign memory regions 6->61 63 Injects a PE file into a foreign processes 6->63 14 2fPVqukqcm.exe 17 5 6->14         started        31 C:\Users\user\AppData\...\service.exe.exe, PE32 10->31 dropped 65 Machine Learning detection for dropped file 10->65 19 service.exe.exe 10->19         started        21 service.exe.exe 3 10->21         started        23 service.exe.exe 10->23         started        signatures5 process6 dnsIp7 37 api.telegram.org 149.154.167.220, 443, 49755 TELEGRAMRU United Kingdom 14->37 33 C:\Users\...\service.exe.exe:Zone.Identifier, ASCII 14->33 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->41 43 Tries to steal Mail credentials (via file access) 14->43 51 2 other signatures 14->51 45 Machine Learning detection for dropped file 19->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->47 35 C:\Users\user\AppData\...\service.exe.exe, PE32 21->35 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->49 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 09:42:08 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
04011c1270f49d82c05e80b9702130e0b62acaf6dd62b46c148a383da5b3e51a
AgentTesla
0d77a7855565f1f714311f0b3fddfa7a924e833f4723bdb0cb6a7d28e910844a
AgentTesla
21bc6e657606c08dca9703d2149640fa9738c460c8d71a65b8913b5c7a7ae0f4
AgentTesla
44bae203dedf4da34c0a883f5f393cdf28853c34f84cabd3287758a23a9ef88d
AgentTesla
4a02a5be4110a5eac3e639deaecb4f134dc1788a4623b1d6a92eea75cdf6f31e
AgentTesla
7b5594bf59eb0edd65dcdd5d145544d67e8a84e4d395076ffb53f9ae4e86bfdc
AgentTesla
8b9abfcdfed4c5a95b6425c5ca75d7b0a17e43e42d6f78cca6f7d8e8c2d7a967
AgentTesla
8f75c88c3376308b7053698d849a6f228cd9ebde1fec893fa850d4fa9e9ac25a
AgentTesla
ccf7cbe501b4e91d8f020fb061bbb24167316704bb9566aed6a6a5bc36df3d73
AgentTesla
f00d4d611b870507196fbb63c63f661a93db66a02df654a1c3881efaf7975c21
AgentTesla
+ 6'912 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210716-we7h82bkzx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1847940592:AAH6hiLJf4qTo_76lP_4EBxQyHypkBLIuyY/sendDocument
Unpacked files
SH256 hash:
0df62767ca85a8cdec79887501a858b0601bc4b4341404f2c2a3a38801dc10a7
MD5 hash:
c5a9a2f84a311381e44dc2413e5d8058
SHA1 hash:
57c17177b14e8a4d2a79c31dadb747572268d4c1
Link:
https://www.unpac.me/results/2d031d6e-896c-431f-a45e-fdbe6e6a37d2/
SH256 hash:
a71f060c587d47fee46c8f02c15bfdc1ab37b0efa5b20fc6ae9160f89f0e08b7
MD5 hash:
7c2c6b81dd1c99e36661d12003897ffb
SHA1 hash:
2e1a80059b051d961d644b833200eae09aced81a
Link:
https://www.unpac.me/results/2d031d6e-896c-431f-a45e-fdbe6e6a37d2/
SH256 hash:
76896080c51371f5383214d36ac2698839eb604d22fd14c7b5aa8ec5eacd41dd
MD5 hash:
1ba871aeb312c477c2b930d99903316c
SHA1 hash:
04bace370a781d8ebd7af97d9c99b1b6e90e879f
Link:
https://www.unpac.me/results/2d031d6e-896c-431f-a45e-fdbe6e6a37d2/
SH256 hash:
03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b
MD5 hash:
54df7f27e532c1d3f4a51f5413991318
SHA1 hash:
5c555e2c16fb5c245d8e412619b8245065ec7ad2
Link:
https://www.unpac.me/results/2d031d6e-896c-431f-a45e-fdbe6e6a37d2/
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/03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b

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.

Web download

AgentTesla

Executable exe 03fc8394ec7be9b1bddbe9702f6b9379a84d1ffb9f03ef9b364995bb4228f39b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1440607/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/172161/

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