MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38810cbb1ee61644254e14df93ae22cdba3d217b2305430fe1c09c5840aa8df9. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38810cbb1ee61644254e14df93ae22cdba3d217b2305430fe1c09c5840aa8df9
SHA3-384 hash: 5f45ad27d9e4b95b41c97f04c5238f1125878d441bb2397d6a0e5d489257872b82693f82f1b323d42fda37970af6283f
SHA1 hash: 0b693c3799779e12dfd95b07b180718220c2d3c2
MD5 hash: 74e369ceb991cd98e4c3e84812f68e4e
humanhash: one-king-quiet-lithium
File name:MT103 DOC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:850'944 bytes
First seen:2021-05-12 13:14:01 UTC
Last seen:2021-05-12 14:20:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:x0KBahyVJnVU5cdiQz0y+AZCwCB9XcM6mNlath0+mKhJ5uqKCgaws/cqfiT+cVK:xlBaMjK6HbZTCfb6ma1Nh2qpgk
Threatray 4'887 similar samples on MalwareBazaar
TLSH FE052268F25876FEC457D4B3CE685DB89960FC37431F8643A417A2AD8E5E49ACF004E2
Reporter lowmal3
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/155342/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.21319.5391.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779889
Signature
Adds a directory exclusion to Windows Defender
Detected unpacking (changes PE section rights)
Found malware configuration
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
PE file contains section with special chars
PE file has nameless sections
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 412288 Sample: MT103 DOC.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 14 other signatures 2->41 7 MT103 DOC.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\AYcOaxzqf.exe, PE32 7->27 dropped 29 C:\Users\...\AYcOaxzqf.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp4541.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\...\MT103 DOC.exe.log, ASCII 7->33 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 powershell.exe 24 7->11         started        13 powershell.exe 25 7->13         started        15 powershell.exe 24 7->15         started        17 3 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38810cbb1ee61644254e14df93ae22cdba3d217b2305430fe1c09c5840aa8df9/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 13:14:15 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcaqzoy64yleijkoctpzhlrczw5d2il3emcugd7bycofqqfkrx4q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a33d7aa0899a3fc482f317f171286e069c251e6aa8048296e3a56916acf13087
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d2e0198548e4d9b2adc585ec02f6f8a4240ee7cf2cb96696c99f216c570bf36b
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e87ed8ad9f753e4de9899be1bca89baf0655588679245a73c524c737512e0a45
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f199f051d76eae8d5ddf0ee522868aa6878425948f4fc23c53e547995c403cbe
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fd81870ea6455334808d4a13d1f061c24391fd607bf5a4b40f9b35ead1ab4050
AgentTesla
+ 4'877 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210512-814s6hjh7e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/38810cbb1ee61644254e14df93ae22cdba3d217b2305430fe1c09c5840aa8df9

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: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.

Malspam

AgentTesla

Executable exe 38810cbb1ee61644254e14df93ae22cdba3d217b2305430fe1c09c5840aa8df9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/155342/

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