MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 229b77e177c83589c3ff1a34d1f1f3830bb769be4ec40fee0ecd3e937850da0a. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 229b77e177c83589c3ff1a34d1f1f3830bb769be4ec40fee0ecd3e937850da0a
SHA3-384 hash: 6756eda30f343fdac1a17158205252bc6574555cbec13c2b71a60e959f2d6f684b0d70e1af2ace6ab1be3a3e7ee1f5ee
SHA1 hash: f3132efc8f0408ba6e81303e3650f649970e323b
MD5 hash: 9964a25605beaf8624fd61e229cadac6
humanhash: connecticut-fanta-ack-music
File name:Arrival Notification documents and receipt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:778'240 bytes
First seen:2020-07-24 10:15:13 UTC
Last seen:2020-07-24 10:28:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:d6gVShDE44QqzJ+K0IfStTwe0FW3rE40nZuvBdHI6WTJ1JK6ipY9ID382FI1Jtpu:f8m4k7f5e0arEZiITJu6tGs+ODpkGK
Threatray 10'721 similar samples on MalwareBazaar
TLSH E4F45B3A7F459415C53D1A7284E96981B6B0A6473F01C70F29DB13ACAF023DF7B8626E
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.alvindoprt.ml
Sending IP: 198.148.118.241
From: DHL Express <info@alvindoprt.ml>
Subject: DHL Arrival Notification : documents and receipt
Attachment: Arrival Notification documents and receipt.iso (contains "Arrival Notification documents and receipt.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32144/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/397224
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250827 Sample: Arrival Notification  docum... Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Sigma detected: Capture Wi-Fi password 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 8 other signatures 2->48 8 Arrival Notification  documents and receipt.exe 2 2->8         started        11 KsVAR.exe 3 2->11         started        13 KsVAR.exe 2 2->13         started        process3 signatures4 50 Injects a PE file into a foreign processes 8->50 15 Arrival Notification  documents and receipt.exe 1 6 8->15         started        20 WerFault.exe 28 12 8->20         started        52 Multi AV Scanner detection for dropped file 11->52 54 Machine Learning detection for dropped file 11->54 process5 dnsIp6 30 smtp.yandex.ru 77.88.21.158, 49719, 587 YANDEXRU Russian Federation 15->30 32 smtp.yandex.com 15->32 26 C:\Users\user\AppData\Roaming\...\KsVAR.exe, PE32 15->26 dropped 28 C:\Users\user\...\KsVAR.exe:Zone.Identifier, ASCII 15->28 dropped 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->34 36 Tries to steal Mail credentials (via file access) 15->36 38 Tries to harvest and steal ftp login credentials 15->38 40 3 other signatures 15->40 22 netsh.exe 3 15->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/229b77e177c83589c3ff1a34d1f1f3830bb769be4ec40fee0ecd3e937850da0a/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 03:22:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eknxpylxza2ytq77di2nd4ptqmf3o2n6j3ca73qozu7jg6cq3ifa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20f3743f9ad450f2d6cb7586e88a0548c55cf26349f1d85bfacf8a4f237e21f0
AgentTesla
21fcd534a7b178945d9c007578ee4a0df84f8d7f34c4c5c1c3194255c0340812
AgentTesla
288b7fbde289cdb538509c40328aab30920cd1cc526cb91465716f63fa699a5d
AgentTesla
3250b52b1862d9ba4450046a7b492b1a2fe900134764873b5a6eca9587c28eb7
AgentTesla
680cf4f20e454d2c8aec06f27a64477f48e3e316372b3c5b062dc64c1e524376
AgentTesla
75d277d42b7fe1febcda8b26b15a7a5541c19d0668782615557b44d3591bdab2
AgentTesla
78ba6f6da444f33682e0878941f2258ea538b85eb1b7b96d7d15e19656327664
AgentTesla
9090ff2fa6c1c2e9a1df238ee496e6dc5d181bed150a93b47626b3e3343b767f
AgentTesla
9860a6eb9b7294d5e2a356968555b126c3e349006601e5d9ad58e6311798038a
AgentTesla
986cdfab675df89400566cc10c76c3d1e08f2ae7a0ca09e319a83f2ccf53d691
AgentTesla
+ 10'711 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200724-tz5b9zhldn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/229b77e177c83589c3ff1a34d1f1f3830bb769be4ec40fee0ecd3e937850da0a

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

iso 28bd00e9460e69da0276d5526c2a0bcca8dce1eee2b540b8673059076506b9d7

AgentTesla

Executable exe 229b77e177c83589c3ff1a34d1f1f3830bb769be4ec40fee0ecd3e937850da0a

(this sample)

  
Dropped by
MD5 5c697b555c3ec5687dcd59f6c7f60499
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 28bd00e9460e69da0276d5526c2a0bcca8dce1eee2b540b8673059076506b9d7
Cape
Cape
https://www.capesandbox.com/analysis/32144/

Comments