MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2aca2864372e67ded80b3efd68344889a1be90788fa5f1889b96c8c75931361d. 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: 2aca2864372e67ded80b3efd68344889a1be90788fa5f1889b96c8c75931361d
SHA3-384 hash: e2c74bf54b2d486b463edbd0fb24aa79410638c2fc078e484f429e74faa86a50ffd4a75e7a7f9b49cf47304ababda306
SHA1 hash: 9dea54de806768261935b7599187915f29c274a5
MD5 hash: c62141d4c603dfac160e9a345db09f0d
humanhash: aspen-mississippi-one-failed
File name:customer contact form.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'043'968 bytes
First seen:2021-03-18 13:03:26 UTC
Last seen:2021-03-18 14:45:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5regdXCnv4Q4ce4WiSwb96Ot43CvrFkfff1UsIzZHjwRjSewkxQbJ1XOhFGIw1pn:5ygdXG3pn6ZU7zqjSeFSbJ1+yXotPs
Threatray 2 similar samples on MalwareBazaar
TLSH 4A258C1213175626F0763BB81010F3752BB1EEE5A13AF6A58ED43C93B9723C0A97AD74
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
customer contact form.exe
Verdict:
Malicious activity
Analysis date:
2021-03-18 13:06:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f48f4a5f-cbfd-4307-9ba0-a85207aac6cc

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/125451/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.590.24369.13083.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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/644475
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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 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 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: 371204 Sample: customer contact form.exe Startdate: 18/03/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 9 other signatures 2->38 7 customer contact form.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\RyRIjCO.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Local\...\tmp4BF6.tmp, XML 7->28 dropped 30 C:\Users\...\customer contact form.exe.log, ASCII 7->30 dropped 40 Adds a directory exclusion to Windows Defender 7->40 42 Injects a PE file into a foreign processes 7->42 11 customer contact form.exe 2 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 25 7->16         started        18 schtasks.exe 1 7->18         started        signatures5 process6 signatures7 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->44 46 Tries to steal Mail credentials (via file access) 11->46 48 Tries to harvest and steal ftp login credentials 11->48 50 Tries to harvest and steal browser information (history, passwords, etc) 11->50 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2aca2864372e67ded80b3efd68344889a1be90788fa5f1889b96c8c75931361d/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-03-18 02:15:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=flfcqzbxfzt55walh36wqncirgq35edyr6s7dce3s3emowjrgyoq._file
Verdict:
unknown
Similar samples:
1f88ff46898b41059e556d7341a3c13f0fd6351e96b18f88b3377c613d6104fa
AgentTesla
961b0d1fdca9f4024ac4a3a8d90227433276a7f0e204d0aae55291fa98006284
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210318-n79yh8p59e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/470fe53a-b3bd-473b-89f5-5277dd8b0eab/
SH256 hash:
2aca2864372e67ded80b3efd68344889a1be90788fa5f1889b96c8c75931361d
MD5 hash:
c62141d4c603dfac160e9a345db09f0d
SHA1 hash:
9dea54de806768261935b7599187915f29c274a5
Link:
https://www.unpac.me/results/470fe53a-b3bd-473b-89f5-5277dd8b0eab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/2aca2864372e67ded80b3efd68344889a1be90788fa5f1889b96c8c75931361d

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/125451/

Comments