MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fa514013307c5a49d68d1af2a488ad2664a0ee005594136faecfdc535f59b5. 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

SHA256 hash: 37fa514013307c5a49d68d1af2a488ad2664a0ee005594136faecfdc535f59b5
SHA3-384 hash: 3897f2b019170677adf933a381a6f5cde88c1ee865eeaf5cf0e46fc008a5acbd1c6de504da78a4c921814e8376bb4597
SHA1 hash: b6301af9e62c232f0c02a3e8729995488249421f
MD5 hash: 67765681f9b529bb58a82bcf0af78b6a
humanhash: tango-lithium-thirteen-delta
File name:Bank_payment information.exe
Download: download sample
Signature AgentTesla
File size:718'336 bytes
First seen:2021-06-11 09:29:59 UTC
Last seen:2021-06-11 10:53:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:QL59Fd1LIfZJrE/H6p5zqJsUxpKJEZN5DvUOL+nzg++++4+++++++0+++++++:QL5979IhJo6fzWsUTKJEZN5zjA8++++n
Threatray 5'781 similar samples on MalwareBazaar
TLSH 32E4CF22B2F453D9C53AABF46E65F0B05B333E652010E12EA9D4BCCF39797121862E57
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank_payment information.exe
Verdict:
Malicious activity
Analysis date:
2021-06-11 09:32:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433140 Sample: Bank_payment information.exe Startdate: 11/06/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 7 Bank_payment information.exe 6 2->7         started        11 ppptOL.exe 2 2->11         started        13 ppptOL.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\...\HWlDcQkSFHnA.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp6A03.tmp, XML 7->29 dropped 31 C:\Users\...\Bank_payment information.exe.log, ASCII 7->31 dropped 53 Writes to foreign memory regions 7->53 55 Injects a PE file into a foreign processes 7->55 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-11 01:47:00 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
75913690c67bde7cf6602ce079fe1acd80475ff6c92078d1345e1ea5062153e9
MD5 hash:
7c8b6ed0b3ea58c9382511f4ce1fbc0e
SHA1 hash:
ba62ab24be263b63879056cd8446981c875afaac
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
d8688fe2c4b1e52e6a8310dffd1e5037e6beacd7c6dd1443e4a87cf1ce8babdc
MD5 hash:
33b7b2101f75c2aa057d31d4f3a61bea
SHA1 hash:
2fc1ccef5f5eb20c6c1f3ae7378845444a5994ec
SH256 hash:
37fa514013307c5a49d68d1af2a488ad2664a0ee005594136faecfdc535f59b5
MD5 hash:
67765681f9b529bb58a82bcf0af78b6a
SHA1 hash:
b6301af9e62c232f0c02a3e8729995488249421f
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.

Malspam

AgentTesla

Executable exe 37fa514013307c5a49d68d1af2a488ad2664a0ee005594136faecfdc535f59b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments