MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d. 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: 5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d
SHA3-384 hash: 394caa69e59b4c659b9476ea19a6cc4c6b4efd0f6d5f7cedd90fb82ede2b198be7e7288e07b86877a69911be29d8d3b7
SHA1 hash: dec39587120dd892059bbca8ff7e218b02093901
MD5 hash: beb3247755e53f79cec1c23e83e95fe2
humanhash: carpet-shade-triple-three
File name:Scan270820.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:886'272 bytes
First seen:2020-08-27 08:28:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:bKv9I22WRula0ba6tXQ5Okx/n+nLqD7QmRAtEOxN66GmRw+:GcWRuM0baTEcxD7QmySOxQJT
Threatray 9'836 similar samples on MalwareBazaar
TLSH 3A15F53A3AC29815E83E453301E85DD6B332A58B3A56CF1F79CB538CAE0269F371654D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: temp
Sending IP: 89.163.224.79
From: Burak Tanin <test@parsgips.com>
Subject: Purchase Orders No 154469-70
Attachment: Scan270820.rar (contains "Scan270820.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51685/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/452427
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for domain / URL
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 278573 Sample: Scan270820.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 28 domainverifier.contractorr.net 2->28 40 Multi AV Scanner detection for domain / URL 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected AgentTesla 2->44 46 2 other signatures 2->46 7 Scan270820.exe 3 2->7         started        11 xdbdc.exe 3 2->11         started        13 xdbdc.exe 2 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\Scan270820.exe.log, ASCII 7->26 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->50 52 Injects a PE file into a foreign processes 7->52 15 Scan270820.exe 17 5 7->15         started        54 Multi AV Scanner detection for dropped file 11->54 56 Machine Learning detection for dropped file 11->56 20 xdbdc.exe 2 13->20         started        signatures6 process7 dnsIp8 30 domainverifier.contractorr.net 51.132.231.157, 443, 49729, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 15->30 22 C:\Users\user\AppData\Roaming\...\xdbdc.exe, PE32 15->22 dropped 24 C:\Users\user\...\xdbdc.exe:Zone.Identifier, ASCII 15->24 dropped 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->32 34 Moves itself to temp directory 15->34 36 Tries to steal Mail credentials (via file access) 15->36 38 4 other signatures 15->38 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 08:30:07 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ly3ufadw5po4s6y4rejs5ajuuioja5vr7s4ii2qhnev2deyx6jgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'826 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200827-j1gjjtpsy6/
Behaviour
AgentTesla Payload
Agenttesla family
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/5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d

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

rar 195e1f47f9b8bf716ea786cd07dbba47fccc8e0dfe20628debe56bf9b3901f33

AgentTesla

Executable exe 5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d

(this sample)

  
Dropped by
MD5 04b71261c1bfc4a36f6749b683bb2211
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/51685/
  
Dropped by
SHA256 195e1f47f9b8bf716ea786cd07dbba47fccc8e0dfe20628debe56bf9b3901f33

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