MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b988ded3f818f8fbd48e7af128e0a400748d633a0ffc861c8cd76d215c533dd5. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b988ded3f818f8fbd48e7af128e0a400748d633a0ffc861c8cd76d215c533dd5
SHA3-384 hash: 86dd4e92e5bf364a785e6a8e4402208b59237184093cf3cda6dfb718e607056f487a018e9a8525ee991fac9a3006ada1
SHA1 hash: 50776a6de1cdffb67288b5bc6e1bafc7c6e3fabe
MD5 hash: 3a272d31ea0ffdc020e608b768b7e0f0
humanhash: three-rugby-sixteen-virginia
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:392'704 bytes
First seen:2021-05-26 21:48:20 UTC
Last seen:2021-05-27 05:46:06 UTC
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:nnjAsOLMrTpv6iP1LhKCJJdqH5J1Vn++4OI0DnguV1sYTJ3/DQgTZNN9O3+zzv:nnjhaNiPN5M1N++4b0rguTrTJ3bjPN9t
Threatray 8 similar samples on MalwareBazaar
TLSH A78423163760838DC7BF0BB5A430623C927AA706A434F35F980AB5E91F6731584D6F6B
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 21:52:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5c92795d-1b79-4fa7-a346-f23d544f332a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162594/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.13687.12895.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792951
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
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: 425347 Sample: TT COPY.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 10 other signatures 2->57 7 TT COPY.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\Roaming\DKauYh.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpED0B.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\...\TT COPY.exe.log, ASCII 7->39 dropped 59 Injects a PE file into a foreign processes 7->59 15 TT COPY.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->65 21 schtasks.exe 1 11->21         started        23 kprUEGC.exe 2 11->23         started        25 schtasks.exe 13->25         started        27 kprUEGC.exe 13->27         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->41 dropped 43 C:\Windows\System32\drivers\etc\hosts, ASCII 15->43 dropped 45 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->45 dropped 47 Modifies the hosts file 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b988ded3f818f8fbd48e7af128e0a400748d633a0ffc861c8cd76d215c533dd5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 21:48:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgen5u7ydd4pxveoplysryfeab2i2yz2b76imhem25wscxcthxkq._file
Verdict:
unknown
Similar samples:
0f3e315bf22ed6028bced3141133fa2d9a2ef9866bdac5d44039750662e190aa
AgentTesla
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
AgentTesla
4e4da330eb0634f9034172fcb2dcff406e5caecd567bccc6eeb00b8834930899
AgentTesla
7eb47334e8b2d14173112be8a3c2006503af22389451056677f8d13638430915
AgentTesla
8b93ea9e6ad7e73fc153344a9db6f388e189764621b172ef0a9a050b6e603a28
AgentTesla
b30927049676bde1ed3f5870a9b75705a77c0c520c0dd70a693c157e70ac1489
AgentTesla
d2a17117665dae256fd3a61792822f875836c19cee6a37ab86cf221b642a3699
AgentTesla
de0011128191babcbdb339d2ab7f9568e0b12c5ebc00a99c235fea849885b6a1
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210526-3b3rc3v9tj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b988ded3f818f8fbd48e7af128e0a400748d633a0ffc861c8cd76d215c533dd5

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/162594/

Comments