MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2. 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: 91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2
SHA3-384 hash: 4f5fd83789cd0889a3122284a07eb9bada0724e9868193b80f928172d6a4401ee517c46095447525954e320f0c1da3b8
SHA1 hash: afbf0435fcd5ea785bbe0396c78cc1203b2222f1
MD5 hash: 574e11ca06fa12f5f2db2400eed5a0f1
humanhash: alaska-eighteen-undress-equal
File name:Quotation for Diepsloot Repairs Project.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:534'528 bytes
First seen:2020-08-17 13:59:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:o1FMeTSr7KLxhOG/b27umoqKsK/HXiyVkVIuz0Uei4pd7I:o1FRS3yLrmoq2PSyei20UCp
Threatray 10'475 similar samples on MalwareBazaar
TLSH 67B42315A5E0C1E4ED87473AC0BA8A7095BCF5CBBB42A62CF159138E341FA9313617DE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps26145.inmotionhosting.com
Sending IP: 104.247.72.208
From: Monica DOBRE <m.dobre@halleycables.com>
Subject: Quotation for Diepsloot Repairs Project
Attachment: Quotation for Diepsloot Repairs Project.rar (contains "Quotation for Diepsloot Repairs Project.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47076/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a window
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:
84 / 100
Link:
https://www.joesandbox.com/analysis/433690
Signature
Contains functionality to register a low level keyboard hook
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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 269228 Sample: Quotation for Diepsloot Rep... Startdate: 17/08/2020 Architecture: WINDOWS Score: 84 28 Yara detected AgentTesla 2->28 30 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->30 32 Machine Learning detection for sample 2->32 34 3 other signatures 2->34 6 jGUMp.exe 3 2->6         started        9 Quotation for Diepsloot Repairs Project.exe 3 2->9         started        12 jGUMp.exe 2 2->12         started        process3 file4 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Machine Learning detection for dropped file 6->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->40 14 jGUMp.exe 2 6->14         started        26 Quotation for Diep...irs Project.exe.log, ASCII 9->26 dropped 42 Injects a PE file into a foreign processes 9->42 17 Quotation for Diepsloot Repairs Project.exe 2 5 9->17         started        20 jGUMp.exe 2 12->20         started        signatures5 process6 file7 22 C:\Users\user\AppData\Roaming\...\jGUMp.exe, PE32 17->22 dropped 24 C:\Users\user\...\jGUMp.exe:Zone.Identifier, ASCII 17->24 dropped 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->44 46 Installs a global keyboard hook 17->46 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 05:06:51 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfzuq4miovtehfydxze7oi47cszo7sqzctk4o3xwf5vnh3u7qpja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'465 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/200817-rjhan984an/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2

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 db6508a22b634dbe99497cd0f199634f88c9180db9537fd5b2e1cf13e2e93a91

AgentTesla

Executable exe 91734871887566439703be49f7239f14b2efca1914d5c76ef62f6ad3ee9f83d2

(this sample)

  
Dropped by
MD5 08f35b408aa0110f60418ea5e35d6179
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 db6508a22b634dbe99497cd0f199634f88c9180db9537fd5b2e1cf13e2e93a91
Cape
Cape
https://www.capesandbox.com/analysis/47076/

Comments