MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad. 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: 909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad
SHA3-384 hash: 48a6ff015da16c6534a18ccbdc61ad0e1ec031da7a9e01f5a5a98f292a56babea4cb099f277334ceab31bc664873e2d8
SHA1 hash: a5dc19c5b3bf8953fd26a279049af2f9b7942928
MD5 hash: 80b461990c7e4238991d44f7bb05eee5
humanhash: seven-autumn-romeo-alanine
File name:TT_SWIFT_COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:434'688 bytes
First seen:2020-08-13 06:48:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:ZtLTnaNNIEBY/NtcqGFFPcDLe9UMxRMH6Zq6NTz8/DVjC7xlDG4OJ+Gs6+cf:LyIOY/NtnGFFPJLmj6Nk/smc67
Threatray 10'673 similar samples on MalwareBazaar
TLSH 5B94AD0EFA778B61C00E457C842ED3F015D69EBAD88B860775CA3E1FB6B1297604D91B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: "mariogomez@delcampofoods.com" <mariogomez@delcampofoods.com>
Subject: RE: TT_SWIFT_COPY
Attachment: TT_SWIFT_COPY.r00 (contains "TT_SWIFT_COPY.exe")

AgentTesla SMTP exfil server:
mail.travelsapphire.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44887/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/425249
Signature
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265179 Sample: TT_SWIFT_COPY.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Yara detected AgentTesla 2->47 49 Machine Learning detection for sample 2->49 51 Machine Learning detection for dropped file 2->51 7 TT_SWIFT_COPY.exe 7 2->7         started        process3 file4 35 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->37 dropped 39 C:\Users\user\...\TT_SWIFT_COPY.exe.log, ASCII 7->39 dropped 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 59 Injects a PE file into a foreign processes 7->59 11 svhost.exe 2 7->11         started        15 cmd.exe 1 7->15         started        17 cmd.exe 3 7->17         started        20 cmd.exe 1 7->20         started        signatures5 process6 dnsIp7 41 mail.travelsapphire.com 198.38.82.38, 49745, 587 SERVERCENTRALUS United States 11->41 43 192.168.2.1 unknown unknown 11->43 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->63 65 Tries to steal Mail credentials (via file access) 11->65 67 3 other signatures 11->67 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        31 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 17->31 dropped 27 conhost.exe 17->27         started        33 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 20->33 dropped 29 conhost.exe 20->29         started        file8 signatures9 process10 signatures11 53 Creates an undocumented autostart registry key 22->53
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 02:52:45 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=scoew5sph5h4zy5ugodnxwu3o2v3cdcz6rxhcgfnkrev77y7ucwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'663 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200813-nrqlhn1bre/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
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/909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad

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

r00 5769d1d0aa9b05b6e2fa262b92fc1f7854c7f4923610a9e0caed12473167526d

AgentTesla

Executable exe 909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad

(this sample)

  
Dropped by
MD5 4e703943781442872fbdc43b5b99c92b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44887/
  
Dropped by
SHA256 5769d1d0aa9b05b6e2fa262b92fc1f7854c7f4923610a9e0caed12473167526d

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