MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4955c0093c474d0052c522cd6bf1d96ca9eab8371a986f070d044a30c5c6b202. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4955c0093c474d0052c522cd6bf1d96ca9eab8371a986f070d044a30c5c6b202
SHA3-384 hash: af5330f162055333855c37d18539cabf103335d701e463c7cc5e5a32448da069f815e644d9fb38e1c379bf6d76fc9987
SHA1 hash: 046b140bc02a8ca7e4f01d53d5f9e5a129292a97
MD5 hash: 03a8711d61849525407f537300a84200
humanhash: twenty-grey-chicken-saturn
File name:03a8711d61849525407f537300a84200.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'294'336 bytes
First seen:2021-03-23 12:23:12 UTC
Last seen:2021-03-23 13:52:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:RnmQUi8DuLs+UW/FRoECq0FNnP6hf0mrekL6mIs7CZ6mKN:RTU/DzW/F5Cq0FE8mrd6mIs77mw
Threatray 3'618 similar samples on MalwareBazaar
TLSH D455D0091784EF8CE03F0F3B98884420A7F5C56B6627F7DB6DD868ED05C6BA9C35914A
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03a8711d61849525407f537300a84200.exe
Verdict:
Malicious activity
Analysis date:
2021-03-23 12:24:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/48283a93-34e6-48a2-ac99-e4597a3107b3

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/126578/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.598.9199.13159.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/649959
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Modifies the hosts file
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal ftp login credentials
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373933 Sample: cZ4ipYpRVT.exe Startdate: 23/03/2021 Architecture: WINDOWS Score: 100 65 Found malware configuration 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 Sigma detected: Scheduled temp file as task from temp location 2->69 71 7 other signatures 2->71 7 cZ4ipYpRVT.exe 7 2->7         started        11 newapp.exe 2->11         started        13 newapp.exe 2->13         started        process3 file4 45 C:\Users\user\AppData\Roaming\ovEPHVl.exe, PE32 7->45 dropped 47 C:\Users\user\...\ovEPHVl.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\Users\user\AppData\Local\...\tmp7F31.tmp, XML 7->49 dropped 51 C:\Users\user\AppData\...\cZ4ipYpRVT.exe.log, ASCII 7->51 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 7->77 79 Injects a PE file into a foreign processes 7->79 15 cZ4ipYpRVT.exe 7->15         started        19 powershell.exe 24 7->19         started        21 powershell.exe 24 7->21         started        23 schtasks.exe 1 7->23         started        81 Multi AV Scanner detection for dropped file 11->81 83 Machine Learning detection for dropped file 11->83 85 Adds a directory exclusion to Windows Defender 11->85 25 powershell.exe 11->25         started        27 schtasks.exe 11->27         started        29 powershell.exe 11->29         started        31 newapp.exe 11->31         started        signatures5 process6 file7 53 C:\Users\user\AppData\Local\...\newapp.exe, PE32 15->53 dropped 55 C:\Windows\System32\drivers\etc\hosts, ASCII 15->55 dropped 57 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->57 dropped 59 Tries to harvest and steal ftp login credentials 15->59 61 Modifies the hosts file 15->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->63 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4955c0093c474d0052c522cd6bf1d96ca9eab8371a986f070d044a30c5c6b202/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 03:52:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfk4acj4i5gqauwfelgwx4oznsu6vobxdkmg6bynarfdbrogwiba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8e5208c98e4ca5ec839db60d07d5a7c2103f098e5df72744680ccd7f73b0b56f
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942410ebb65f0bbc9c06ca40cdc921939085edbac07b7ffd5d3a21b3a113896a
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a05b237bd950b290bde604ee1eb0682268195ce28a92dfc1b17c5085583dd107
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aba6180b0014dc31368ca2bbcc4fd8b86f0f4a64507ec323e271ea1884385085
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bb5de34eed16e7157d51f93f11e1d135254a429ca8bea94d28e1bc55380ed1ad
AgentTesla
+ 3'608 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/210323-mvglshjlfa/
Behaviour
Creates scheduled task(s)
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
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/dc2241e8-4808-42c2-95ee-17a382abed92/
SH256 hash:
4955c0093c474d0052c522cd6bf1d96ca9eab8371a986f070d044a30c5c6b202
MD5 hash:
03a8711d61849525407f537300a84200
SHA1 hash:
046b140bc02a8ca7e4f01d53d5f9e5a129292a97
Link:
https://www.unpac.me/results/dc2241e8-4808-42c2-95ee-17a382abed92/
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/4955c0093c474d0052c522cd6bf1d96ca9eab8371a986f070d044a30c5c6b202

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/126578/

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