MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221
SHA3-384 hash: a011ae6a0bf30343f0e8366c0da64daeeaa80382d5d83079da218c221a1514c8105da5d6a7c63a0165dc59479ba082cf
SHA1 hash: 4664fe397460eabb777468609344dc80b7086522
MD5 hash: bb138727c1201d5df9b31518fb81c558
humanhash: april-salami-eight-lactose
File name:Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:473'600 bytes
First seen:2022-04-13 16:17:57 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 12288:LJrx/T5jkvdcwSFWVXVVt/4aux8TeivIQtmt:V9FjkvdQx8I
TLSH T158A4DFA24D9261D2C5906F38C4E2CCF17AD5B8AA4859B3ECF884EF543FE9094E5417BC
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
410
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 16:19:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9d007c25-735a-4bcb-8d05-6ca26dda6070

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263483/
Detection(s):
SecuriteInfo.com.ArtemisBB138727C120.24382.19627.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6256f7beffe27d5119c39493/reports/ccc61968-2e30-4571-ba67-e05b28af88a1/overview
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/b6242650-acf0-484a-9511-893f429fd69d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976321
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Executable has a suspicious name (potential lure to open the executable)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 / registry 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: 608808 Sample: Invoice.exe Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 11 other signatures 2->70 7 Invoice.exe 6 2->7         started        11 kECjS.exe 4 2->11         started        13 kECjS.exe 3 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\rRKZucY.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmpC41F.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 7->46 dropped 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->74 76 Uses schtasks.exe or at.exe to add and modify task schedules 7->76 15 Invoice.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 Invoice.exe 7->22         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 82 Injects a PE file into a foreign processes 11->82 24 kECjS.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 kECjS.exe 11->28         started        30 kECjS.exe 11->30         started        signatures5 process6 dnsIp7 48 mail.butterflymotors.com 15->48 36 C:\Users\user\AppData\Roaming\...\kECjS.exe, PE32 15->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 15->38 dropped 40 C:\Users\user\...\kECjS.exe:Zone.Identifier, ASCII 15->40 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Tries to steal Mail credentials (via file / registry access) 15->54 56 Modifies the hosts file 15->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 32 conhost.exe 20->32         started        50 mail.butterflymotors.com 24->50 60 Tries to harvest and steal ftp login credentials 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 16:18:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 41 (53.66%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgtp5yvf4xb7ouhnznz7mwbihrjg65iuukzi56l76b3anomrqiqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220413-trxlpadchr/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
Unpacked files
SH256 hash:
89983aee470d28a10003886a54a1c8c289bdd23e0465f293538e05b6f5e69d3c
MD5 hash:
b8eed7696d762fe28cb33845c53d7012
SHA1 hash:
b08adcd60748d237c2ecde690125ea23d6138a30
Link:
https://www.unpac.me/results/cb77a062-5502-4457-9ce5-f99e07bbde64/
SH256 hash:
4bc6bf3e0e0c5d545ea457fa4974ee081b14e2b3e15e4ec13256b04c19fd7dd3
MD5 hash:
86c0c590e840c04103d1c970b92960ba
SHA1 hash:
9cd80e105b23a77b7e988d712257b85d94a51343
Link:
https://www.unpac.me/results/cb77a062-5502-4457-9ce5-f99e07bbde64/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/cb77a062-5502-4457-9ce5-f99e07bbde64/
SH256 hash:
c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221
MD5 hash:
bb138727c1201d5df9b31518fb81c558
SHA1 hash:
4664fe397460eabb777468609344dc80b7086522
Link:
https://www.unpac.me/results/cb77a062-5502-4457-9ce5-f99e07bbde64/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c9a6fee2a5e5/report/overview.html
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/c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe c9a6fee2a5e5c3f750edcb73f658283c526f7514a2b28ef97ff07606b9918221

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263483/

Comments