MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf
SHA3-384 hash: 4fe0b065dba204e74a3359877bd2412d61cac30e66c4e573d12b17514c4af243475c1eed1bd18cc981842f1d5b248be7
SHA1 hash: 226cff6179492163b2fba3a0339322c7514750d2
MD5 hash: 46cd2dad44ec88996e7a38f5091bea2c
humanhash: sodium-nebraska-lemon-skylark
File name:46cd2dad44ec88996e7a38f5091bea2c.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:633'344 bytes
First seen:2021-09-21 14:20:14 UTC
Last seen:2021-09-21 17:02:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:w1VIbw8eGGmtiK5o+Oc+PcxugQ4F00r/1TKpWoTskZW:uebw8eGG+Fo+IPsHCI/dKpWzkZ
Threatray 10'098 similar samples on MalwareBazaar
TLSH T15FD4025175DE8518C39A3B7520A593903B77BE7A2873D64E29DDB08E0F336818E31F26
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OOLU20326507511.doc
Verdict:
Malicious activity
Analysis date:
2021-09-21 12:54:00 UTC
Tags:
ole-embedded opendir loader
Link:
https://app.any.run/tasks/42fafa57-73ce-4a49-a557-70da87c07c89

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/189911/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.10716.25526.UNOFFICIAL
Create hunting rule

Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8da41f5-9a9f-4f50-9891-38651d2d4fb4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854976
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 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: Powershell Defender Exclusion
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487408 Sample: RzOS0QdlV4.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 Yara detected Telegram RAT 2->47 49 5 other signatures 2->49 7 RzOS0QdlV4.exe 4 2->7         started        11 winfiles.exe 4 2->11         started        13 winfiles.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\...\RzOS0QdlV4.exe.log, ASCII 7->29 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->53 55 Adds a directory exclusion to Windows Defender 7->55 15 RzOS0QdlV4.exe 2 5 7->15         started        19 powershell.exe 24 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 powershell.exe 11->21         started        23 winfiles.exe 11->23         started        signatures5 process6 file7 31 C:\Users\user\AppData\...\winfiles.exe, PE32 15->31 dropped 33 C:\Users\...\winfiles.exe:Zone.Identifier, ASCII 15->33 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->35 37 Tries to steal Mail credentials (via file access) 15->37 39 Tries to harvest and steal ftp login credentials 15->39 41 2 other signatures 15->41 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/39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 14:21:05 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgbdwj2erexyq3gkevww6vvt6o3qniev4lxbd3ugkydhnahzvs7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1f57778e5448ce6d8834f523299fc5ba868636556c993a4b5f3faabacb36c993
AgentTesla
359de4e28b1286f601c3d8cc5987ff8f81335f049411f00d99496c2f56bbade0
AgentTesla
6078aa4d21b0cc37bde56d75ab91ea98248d19d21981492c648d40a284b74f1d
AgentTesla
80622d6bf536ca1e21f411864d3c4af7f4ebded98ea3aeeb6c99b964b247e3ca
AgentTesla
91ef6e228367a06c21a66242951db031ab3bc32a4a847411bcc40877ade69026
AgentTesla
a51412351320c2876dc38780b18441bbc160c6a0fa21bda69330eeaef1fb6ca6
AgentTesla
d47da005885b968328d25d493a11e0fe3a146c9103f24b0de735a02b117c6a4b
AgentTesla
e433b3cc952fec02984b9d3678ab71f9e168a5616550f44e7ab3b0548d01ed2e
AgentTesla
+ 10'088 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/210921-rnzwjacdfm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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/bot1672292609:AAFOQ1wnC9bCfDnsgfgHGBDCleHSmFEu_0k/sendDocument
Unpacked files
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/58568308-805a-4042-919c-e1662b47afec/
SH256 hash:
dc5c8edade82d2db4cc3767625a0d8e4bbf76821a0a6b6c003549792df6871ef
MD5 hash:
ea7f57e782a9a4faa6786aab9b0673a3
SHA1 hash:
9271c657cef0767d5c8b548c14361e110dd0d711
Link:
https://www.unpac.me/results/58568308-805a-4042-919c-e1662b47afec/
SH256 hash:
f4a93000399c9877404821d30ead7a04f819df177071114826ab1c569bfef4d0
MD5 hash:
d1dbb213a15c6f86d4f49274d3d285a4
SHA1 hash:
29b19f45a0a92e14b3c13f3fedc498cfa7709feb
Link:
https://www.unpac.me/results/58568308-805a-4042-919c-e1662b47afec/
SH256 hash:
04a03722ba8b19f81f59a4e3a9da8fc9076e000b0bdc745c86c23dd250eccb6e
MD5 hash:
2465b630d62bc2e1be0a782e940b4825
SHA1 hash:
266046b1e63951df9ad4f360ddc300595cbfe3aa
Link:
https://www.unpac.me/results/58568308-805a-4042-919c-e1662b47afec/
SH256 hash:
39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf
MD5 hash:
46cd2dad44ec88996e7a38f5091bea2c
SHA1 hash:
226cff6179492163b2fba3a0339322c7514750d2
Link:
https://www.unpac.me/results/58568308-805a-4042-919c-e1662b47afec/
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/39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1638497/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/189911/

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