MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 14e48e373fee4fafef99517fba97e5ea5727f764a0b92509b307f9387679dd64. 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 5 File information Comments 1

SHA256 hash: 14e48e373fee4fafef99517fba97e5ea5727f764a0b92509b307f9387679dd64
SHA3-384 hash: 5a3fc38233a998e884b7961db3f6457305b4bd85f7c832b3f34774c283a91c0bc88314d6500e86c1d2a5d6d4426a14f2
SHA1 hash: 94b257813d301d75895d0fee69a8acc224cca82e
MD5 hash: 5932bd9d5a231f2dce386609a1c80ba9
humanhash: leopard-lion-summer-seventeen
File name:5932bd9d_by_Libranalysis
Download: download sample
Signature AgentTesla
File size:397'295 bytes
First seen:2021-05-03 12:01:10 UTC
Last seen:2021-05-03 13:05:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki)
ssdeep 6144:7PXz3+5YKsw0UK0qAY+QUIgtTnmBuoPEhahHyHAmyiQoijPkLG:Pk0XfUZtTquoPIahiAmHdm
Threatray 4'466 similar samples on MalwareBazaar
TLSH 9E84E0593EE39C12C6F3C6BE5CE1AD369E9DB2E710311A3E764CD32C62266809D1E11D
Reporter Libranalysis
Tags:AgentTesla


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
Creating a window
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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: 402835 Sample: 5932bd9d_by_Libranalysis Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Multi AV Scanner detection for dropped file 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 6 siusbbxdxbkm.exe 17 2->6         started        10 5932bd9d_by_Libranalysis.exe 1 21 2->10         started        12 siusbbxdxbkm.exe 2->12         started        process3 file4 20 C:\Users\user\AppData\Local\...\wfonpw4.dll, PE32 6->20 dropped 36 Multi AV Scanner detection for dropped file 6->36 38 Detected unpacking (changes PE section rights) 6->38 40 Detected unpacking (creates a PE file in dynamic memory) 6->40 48 3 other signatures 6->48 14 siusbbxdxbkm.exe 4 6->14         started        22 C:\Users\user\AppData\...\siusbbxdxbkm.exe, PE32 10->22 dropped 24 C:\Users\user\AppData\Local\...\wfonpw4.dll, PE32 10->24 dropped 42 Detected unpacking (overwrites its own PE header) 10->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->46 18 5932bd9d_by_Libranalysis.exe 4 10->18         started        signatures5 process6 dnsIp7 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Tries to steal Mail credentials (via file access) 14->52 54 Tries to harvest and steal ftp login credentials 14->54 56 Tries to harvest and steal browser information (history, passwords, etc) 14->56 26 smtp.vivaldi.net 31.209.137.12, 25, 49751, 49752 HRINGDU-ASIS Iceland 18->26 signatures8
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-03 09:29:25 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
271f00c08e8dbf27f0b36e27df2aa07be3e4492940118ae3e43758a812d7e370
MD5 hash:
2352a10c7c964ab3ab072f17a78cb77f
SHA1 hash:
a41c5d247420909bb3a3565dd552990258904f02
SH256 hash:
14e48e373fee4fafef99517fba97e5ea5727f764a0b92509b307f9387679dd64
MD5 hash:
5932bd9d5a231f2dce386609a1c80ba9
SHA1 hash:
94b257813d301d75895d0fee69a8acc224cca82e
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-03 13:10:52 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread