MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527bf96dc4d090f961c250f7c6411f477acfafcea3a80e83f4f567a0d497f632. 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: 527bf96dc4d090f961c250f7c6411f477acfafcea3a80e83f4f567a0d497f632
SHA3-384 hash: 7a93bac591bfd13add9d379885e437fcfdae708ac4e3d388af576aa8aaf20620d5cd9bdc3f7eb1afeb583b41cd8c8c58
SHA1 hash: 5831473d89c843771e8a2717cd1f4d8ad4d28f25
MD5 hash: fccbb301c62c4dff53286ba1e2c66499
humanhash: saturn-tennessee-gee-failed
File name:Proforma Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:842'752 bytes
First seen:2020-08-31 05:42:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:q3Koe07l31aeMfhPkO2RG/a/0AU/eSgVa7f:q3KoeoFaeIhPX2RGKSgA
Threatray 9'282 similar samples on MalwareBazaar
TLSH DD05D06A030D6F2FD82875BE649001DCD0F19B81EA38F6C8ED9B30E555C239EA75E5C6
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gproxy8-pub.mail.unifiedlayer.com
Sending IP: 67.222.33.93
From: info@udupis.com
Reply-To: serelladavid@usa.com
Subject: RFQ from Al-Madiya Trading CO., LTD
Attachment: New Order.img (contains "Proforma Invoice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53239/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
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
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/454837
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279793 Sample: Proforma Invoice.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 Yara detected AntiVM_3 2->40 42 5 other signatures 2->42 6 KYHka.exe 3 2->6         started        9 Proforma Invoice.exe 3 2->9         started        12 KYHka.exe 2 2->12         started        process3 file4 44 Multi AV Scanner detection for dropped file 6->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->46 48 Machine Learning detection for dropped file 6->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->50 14 KYHka.exe 2 6->14         started        17 KYHka.exe 6->17         started        34 C:\Users\user\...\Proforma Invoice.exe.log, ASCII 9->34 dropped 52 Injects a PE file into a foreign processes 9->52 19 Proforma Invoice.exe 2 5 9->19         started        22 Proforma Invoice.exe 9->22         started        24 Proforma Invoice.exe 9->24         started        26 KYHka.exe 2 12->26         started        28 KYHka.exe 12->28         started        signatures5 process6 file7 30 C:\Users\user\AppData\Roaming\...\KYHka.exe, PE32 19->30 dropped 32 C:\Users\user\...\KYHka.exe:Zone.Identifier, ASCII 19->32 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->54 56 Installs a global keyboard hook 19->56 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/527bf96dc4d090f961c250f7c6411f477acfafcea3a80e83f4f567a0d497f632/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-30 23:25:32 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kj57s3oe2cipsyockd34mqi7i55m7l6ououa5a7u6vt2bvex6yza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
04bc203b9c68d45a74189f7a7bc180fe4fe0304583fae10dee4b036a66e54437
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205a2f88f490388970c68b7512acfb90756655b4115e3bbe7b2b77efeab58bdf
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640e087a78aa77a9bb49027500f1f29f9d31f5b64c13c99b690ea813d0737fd4
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6c76b0e2b57067304f41c2933d486c67d798d150bff984acc0358e66d046036a
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77f8071b30876bb7f99165b4e52c7730f76b3bb5864a04d1a224d0bf6d9f8299
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cfefe5d485164b99beeb1aea8faca9e61f8a53d4b742ebf733922a0896511b50
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dd5712ad571847f064a5dfcd49ee82e3d2b42959bef23a773512dc41af030f6e
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f765fffe688f5d61d9dfcca89d0ec5c1b91236b00ee7240d6754f422894901d5
AgentTesla
+ 9'272 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200831-81vxrvtnf2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/527bf96dc4d090f961c250f7c6411f477acfafcea3a80e83f4f567a0d497f632

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

img 5996be89a5618584cae0d7c5d21ada128906bac1f5abc448ebac8693e75bdfb2

AgentTesla

Executable exe 527bf96dc4d090f961c250f7c6411f477acfafcea3a80e83f4f567a0d497f632

(this sample)

  
Dropped by
MD5 300076f63121762e40602a4e8bf51eea
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53239/
  
Dropped by
SHA256 5996be89a5618584cae0d7c5d21ada128906bac1f5abc448ebac8693e75bdfb2

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