MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 579ce1cdef20d3892cec5362aaf049ef10086e3c638a756fab24f1f32ed37161. 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 3 File information Comments

SHA256 hash: 579ce1cdef20d3892cec5362aaf049ef10086e3c638a756fab24f1f32ed37161
SHA3-384 hash: 49bd0c8ae5806420e10062ddaa34d28535cb449d2a0930e8c3cfc7237882288cfa81dbc4eacaa6d61b8d194852f9687c
SHA1 hash: 038c611948e209802780bf5ca55a86461d42d318
MD5 hash: 77bbc07f05f110cf0bb59c3a9ff94092
humanhash: king-august-river-hydrogen
File name:BCNAVJEA16992.exe
Download: download sample
Signature AgentTesla
File size:887'296 bytes
First seen:2021-07-20 05:43:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:qQkDtjLEZKrvDBw1t9km2gYGBGLpmUl9opa:Ut1C1t9km2W0IUHoE
Threatray 7'051 similar samples on MalwareBazaar
TLSH T17B15CF3323176B88ED7CC3796914A041ABF5B417C31ED75C3ED8B0E9A8B1F159BA1A02
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BCNAVJEA16992.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-20 05:46:19 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451069 Sample: BCNAVJEA16992.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Found malware configuration 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 4 other signatures 2->34 6 BCNAVJEA16992.exe 3 2->6         started        10 kSrYER.exe 3 2->10         started        12 kSrYER.exe 2 2->12         started        process3 file4 22 C:\Users\user\...\BCNAVJEA16992.exe.log, ASCII 6->22 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 40 Injects a PE file into a foreign processes 6->40 14 BCNAVJEA16992.exe 2 5 6->14         started        42 Multi AV Scanner detection for dropped file 10->42 44 Machine Learning detection for dropped file 10->44 18 kSrYER.exe 2 10->18         started        20 kSrYER.exe 10->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\kSrYER.exe, PE32 14->24 dropped 26 C:\Users\user\...\kSrYER.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->46 48 Tries to steal Mail credentials (via file access) 14->48 50 Tries to harvest and steal ftp login credentials 14->50 52 2 other signatures 14->52 signatures8
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-20 03:23:05 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
f2784cfe6ccdfb7a792d5abab1631f3036b519271ee04df12c5bb13c101ac2b5
MD5 hash:
7e45149dd912326a146f1a648167071c
SHA1 hash:
c7f16f947dcd330e04673963adf0c1cce47a1634
SH256 hash:
4c465d52b76de5e384cfe64e2736fc6ca3e659b413f356d811e494c9a5c965e8
MD5 hash:
ef20e5a06c139574503b8a0d1dd62ae1
SHA1 hash:
b6a15bf74d13815e7952a1df604fd8d6a69dce1c
SH256 hash:
91cad0877e2912d26093e0a79ba9aaad0e1f082298af73bb3fc0536ccc920a48
MD5 hash:
3e4d5ba44b69dd4596e25effe347c707
SHA1 hash:
b259abb95e05d5144f022d8f1fda45cb8f8a8089
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
SH256 hash:
579ce1cdef20d3892cec5362aaf049ef10086e3c638a756fab24f1f32ed37161
MD5 hash:
77bbc07f05f110cf0bb59c3a9ff94092
SHA1 hash:
038c611948e209802780bf5ca55a86461d42d318
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 579ce1cdef20d3892cec5362aaf049ef10086e3c638a756fab24f1f32ed37161

(this sample)

  
Delivery method
Distributed via e-mail attachment

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