MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90. 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: 3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90
SHA3-384 hash: 509c4126563f5612977fb57cd6156ccb757e57ef06e032ff391c297632daef0a3fbee45530f24238230f32c21a3336cb
SHA1 hash: dc9fbf4339934b59f876dc0ed57a79c796dfb424
MD5 hash: d89b734d4d5307de712eca2ee2a1a4c0
humanhash: nine-winter-four-arkansas
File name:d89b734d4d5307de712eca2ee2a1a4c0.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:573'440 bytes
First seen:2021-09-28 11:36:22 UTC
Last seen:2021-09-28 13:07:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:jWsNi+hBr7IUAcerqYk2X4e4qI54so0dhtZySKmBOehhtt0duI:6sNi+hBr8UA7uYfEp5ro0pZyrm0Whttk
Threatray 10'375 similar samples on MalwareBazaar
TLSH T1FBC4BFDE1C64A7CFFB1E01F8FA79279811ABD028D9ABB2D3D606F033107AA555920CD5
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d89b734d4d5307de712eca2ee2a1a4c0.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-28 11:55:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4d8fdd96-a074-4ef9-a53a-a43a3766f948

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1048.29523.27531.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16d10ca1-c847-435c-9319-4bc4e7488dfe
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859791
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 492224 Sample: ujPNeWPiFu.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AgentTesla 2->58 60 Yara detected Telegram RAT 2->60 62 7 other signatures 2->62 7 ujPNeWPiFu.exe 4 2->7         started        11 winfiles.exe 4 2->11         started        13 winfiles.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\...\ujPNeWPiFu.exe.log, ASCII 7->44 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 68 Adds a directory exclusion to Windows Defender 7->68 15 ujPNeWPiFu.exe 17 5 7->15         started        20 powershell.exe 23 7->20         started        70 Multi AV Scanner detection for dropped file 11->70 22 powershell.exe 11->22         started        24 winfiles.exe 11->24         started        26 winfiles.exe 11->26         started        28 powershell.exe 13->28         started        30 winfiles.exe 13->30         started        32 winfiles.exe 13->32         started        signatures5 process6 dnsIp7 46 api.telegram.org 149.154.167.220, 443, 49778 TELEGRAMRU United Kingdom 15->46 40 C:\Users\user\AppData\...\winfiles.exe, PE32 15->40 dropped 42 C:\Users\...\winfiles.exe:Zone.Identifier, ASCII 15->42 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 54 3 other signatures 15->54 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-28 09:51:00 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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98ed86d837b442f105a469449651fdd24102b6e6b02fcff1a3e08730671210d3
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b96e5b8548a31fc43385a31b1c23a9ad95440309ccc6baa10dced1833e118d5e
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d8df180f1f880ef3d7d0066d76d717bec1bfb74073765895c4192895abc57d26
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f3285a6428db2448d8133c3caa3815148f41b25a2af7ad87d1ced24396c56c2d
AgentTesla
+ 10'365 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/210928-nq5ysabhhm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2011876152:AAE2-KS2icrnTIfs2BShfFL-azbHdJ_0afc/sendDocument
Unpacked files
SH256 hash:
c0605b989ffd490d35aec9e46e95b5c182fdcc1aefb8a7387c809f1608ce71aa
MD5 hash:
e518f22df6e58854b8b56b872715815c
SHA1 hash:
e9c3f5e225271bcc33c69b4b3180fdbfffc638ab
Link:
https://www.unpac.me/results/c6eca229-83d0-468c-acf5-095dafebf8a9/
SH256 hash:
a6fcd183acab6e865de63f0b3b2c048f81c4b022a9a6c2052e5f39df04a6cec1
MD5 hash:
cae79dca470f663b6be6d703c6fbbeac
SHA1 hash:
9302478a270e1e325f80536f2c4cb53f9c78ee44
Link:
https://www.unpac.me/results/c6eca229-83d0-468c-acf5-095dafebf8a9/
SH256 hash:
5e6de8c6d7fbc4799e14878c580ac2e8fa64c265741252ae9494a0eeb649b948
MD5 hash:
719f761f36a7eae0b906af2f79d74997
SHA1 hash:
8b08256316ca39df775f9403ba2b741b8d41aa2c
Link:
https://www.unpac.me/results/c6eca229-83d0-468c-acf5-095dafebf8a9/
SH256 hash:
6a671abf66304301602b4afd0902840bc3915455cffc58d8916eaa693abe33ec
MD5 hash:
681eca96e4e7b513317178dc7065ef39
SHA1 hash:
24af82015bc57d125f1ccb759840118b2283d1dc
Link:
https://www.unpac.me/results/c6eca229-83d0-468c-acf5-095dafebf8a9/
SH256 hash:
3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90
MD5 hash:
d89b734d4d5307de712eca2ee2a1a4c0
SHA1 hash:
dc9fbf4339934b59f876dc0ed57a79c796dfb424
Link:
https://www.unpac.me/results/c6eca229-83d0-468c-acf5-095dafebf8a9/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3c36046f192e/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/3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90

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: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 3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1638497/
  
Delivery method
Distributed via web download

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