MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa
SHA3-384 hash: 4cd4823d9be1fa50eafeab58ed7eb7a7bf4d4fd19043768379d9dbc8c7b78871e69debed336178a587b7c244b7d8f4d7
SHA1 hash: 7aa366b3b5bda660a4c333558351f0e9a53b0ddc
MD5 hash: 6134c48755e4eb07b01ce7bd49ae7b15
humanhash: yankee-twenty-zebra-kilo
File name:6134c48755e4eb07b01ce7bd49ae7b15.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:879'616 bytes
First seen:2021-08-09 11:36:03 UTC
Last seen:2021-08-09 13:06:29 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 12288:mqaSAM0q1pnd5KydAlnxDZ+DhW5VPxs7dCPyuak3ecBnHK7zSYT0F:5aSAg1UJlylW58CPyk33cA
Threatray 8'108 similar samples on MalwareBazaar
TLSH T14A15D02137E88A17E2B937745570E2A606F1BD453E31E21E6DD03C9F7BB6B809A60353
dhash icon 10f0c4c8c8c4f010 (26 x AgentTesla, 18 x Smoke Loader, 10 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6134c48755e4eb07b01ce7bd49ae7b15.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 11:46:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/17632a72-c68f-4779-ba6b-270e73f12d58

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/177541/
Detection(s):
SecuriteInfo.com.Trojan.Hosts.48744.17943.17442.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb502f70-3037-4e7d-aea4-1ecde57d5dcf
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829266
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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)
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)
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: 461699 Sample: K75lSFQxjX.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for dropped file 2->37 39 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 4 other signatures 2->43 7 K75lSFQxjX.exe 7 2->7         started        11 MLdAu.exe 5 2->11         started        process3 file4 27 C:\Users\user\AppData\Roaming\VUVUIKfa.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp264B.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\K75lSFQxjX.exe.log, ASCII 7->31 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 13 K75lSFQxjX.exe 2 5 7->13         started        17 schtasks.exe 1 7->17         started        51 Multi AV Scanner detection for dropped file 11->51 53 Injects a PE file into a foreign processes 11->53 19 schtasks.exe 1 11->19         started        21 MLdAu.exe 2 11->21         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\MLdAu.exe, PE32 13->33 dropped 35 C:\Users\user\...\MLdAu.exe:Zone.Identifier, ASCII 13->35 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->55 57 Tries to steal Mail credentials (via file access) 13->57 59 Tries to harvest and steal ftp login credentials 13->59 61 2 other signatures 13->61 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 04:37:15 UTC
AV detection:
25 of 46 (54.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqydhu5p6mjbnfpium52veb5agqqaujjainey45pxgsge7mz56va._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ac9a62fee3468f5e7af72d95bfc56eb7c4bcc5e05af83333eb6db747e8e80bf
AgentTesla
398970d0c4754fa90d6f04c15fbf6d0bb88fb05d63dc4d7b919255ed774e3899
AgentTesla
502b8c6aac5f16a7cf050c80da53960d264501951d3da502780fc05c507984dc
AgentTesla
723119cd3689ab3144bd1beaf91b93d11c47a0d2ac504d0e11569540b89ab3d6
AgentTesla
76938d4e2c8778bce2177462dd2875d041e69e43036c0b8e3c2f8b6e650232dd
AgentTesla
+ 8'098 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210809-lq5akckze6/
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
3c9f552765104183e47e238fdae5ff82210b46af1f9b511ee8aa9e41f19b4077
MD5 hash:
7aed072fc2b30310efc248a2bafc7dda
SHA1 hash:
9e956bce77fc925854d6800b6fb4647dfb813e26
Link:
https://www.unpac.me/results/d1939c3f-f96b-43d5-a5b4-693b902070a0/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/d1939c3f-f96b-43d5-a5b4-693b902070a0/
SH256 hash:
b843562f7b8fe271a4cd0c07c3a35d99c7037fa9e91296dfdaae4aa5baf452ef
MD5 hash:
eb0a3b91c0519cfc900e6d833c9b429d
SHA1 hash:
12efe0dcfcb383166d853f0785a9ab5d9f001a49
Link:
https://www.unpac.me/results/d1939c3f-f96b-43d5-a5b4-693b902070a0/
SH256 hash:
743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa
MD5 hash:
6134c48755e4eb07b01ce7bd49ae7b15
SHA1 hash:
7aa366b3b5bda660a4c333558351f0e9a53b0ddc
Link:
https://www.unpac.me/results/d1939c3f-f96b-43d5-a5b4-693b902070a0/
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/743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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.

Web download

AgentTesla

Executable exe 743033d3aff3121695e8a33baa903d01a1005129021a4c73afb9a4627d99efaa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1430278/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/177541/

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