MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 938a1c15eab21846b96971f70eac4ef78f273adf89d6305aee7b91f5212e9013. 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: 938a1c15eab21846b96971f70eac4ef78f273adf89d6305aee7b91f5212e9013
SHA3-384 hash: 34d1ffb84cf1cef6c9fde5a9418b197bd0ee9d17ca74bd24e268d41b175d51665dfb5927724d80df4a48bd54c29cfe1f
SHA1 hash: 0a4e8494b8c8800d430709d6fad4e505be519296
MD5 hash: aab48502fa662688cd3a0e7c4698f8b9
humanhash: black-fourteen-leopard-louisiana
File name:Items.scr
Download: download sample
Signature AgentTesla
File size:450'754 bytes
First seen:2021-03-04 07:11:55 UTC
Last seen:2021-03-04 09:09:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:V8LxBg3tcyhbuUhKUUFIx2h0F6cB7Zi5F1zHdyAu1T9b708ceDD8vQLcxwoXPC:RFugUux2eFThM9yR9b70wsvQLkwoXPC
Threatray 2'951 similar samples on MalwareBazaar
TLSH 6BA4F1157190E4ABD7E572B88FA4CEB663359CEC6C0586532AF83F9F32FC11B2540269
Reporter cocaman
Tags:AgentTesla scr

Intelligence


File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Items.scr
Verdict:
Malicious activity
Analysis date:
2021-03-04 07:20:48 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
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Launching a process
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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)
Sample uses process hollowing technique
Sigma detected: MSBuild connects to smtp port
Sigma detected: Suspicious Svchost Process
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363103 Sample: Items.scr Startdate: 04/03/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 space.exe 11 2->7         started        11 Items.exe 1 13 2->11         started        13 space.exe 11 2->13         started        process3 file4 27 C:\Users\user\AppData\...\g79t1gbpjn.dll, PE32 7->27 dropped 57 Multi AV Scanner detection for dropped file 7->57 59 Machine Learning detection for dropped file 7->59 61 Writes to foreign memory regions 7->61 15 MSBuild.exe 2 7->15         started        29 C:\Users\user\AppData\Roaming\...\space.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\g79t1gbpjn.dll, PE32 11->31 dropped 63 Maps a DLL or memory area into another process 11->63 19 MSBuild.exe 2 11->19         started        21 svchost.exe 1 11->21         started        33 C:\Users\user\AppData\...\g79t1gbpjn.dll, PE32 13->33 dropped 65 Sample uses process hollowing technique 13->65 23 MSBuild.exe 13->23         started        signatures5 process6 dnsIp7 35 smtp.vivaldi.net 31.209.137.12, 49731, 587 HRINGDU-ASIS Iceland 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Tries to steal Mail credentials (via file access) 15->39 41 Tries to harvest and steal ftp login credentials 15->41 43 Tries to harvest and steal browser information (history, passwords, etc) 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->47 25 WerFault.exe 23 11 23->25         started        signatures8 process9
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-03 17:04:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 29 (58.62%)
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: 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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0d1ff3fc9e6fb6a6bbd0fe1d2795be366a823f4c822c7bd040660f56ae9651c1
MD5 hash:
b7139ccadfa84f7905166fcc1a6aab92
SHA1 hash:
af570859f9b9aea0592592a15097a0da47dda8b6
SH256 hash:
b525ca6e5460cb3025c36323b21ac3e90d035b40ddeb92cef125936737e03f20
MD5 hash:
ca2ed36111c968aef52892c51f5fe68b
SHA1 hash:
791fa506b43d696090ca6c4da49a26fc0a5232c0
SH256 hash:
de6d305869ccfe8e1fa44fbfa5407710d435645932283dddd851a16162639744
MD5 hash:
385de98bb0b41fa85f8b000c2bbf74d8
SHA1 hash:
0d019cec8a804754dc54d7eda99b535e6edf724b
SH256 hash:
938a1c15eab21846b96971f70eac4ef78f273adf89d6305aee7b91f5212e9013
MD5 hash:
aab48502fa662688cd3a0e7c4698f8b9
SHA1 hash:
0a4e8494b8c8800d430709d6fad4e505be519296
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: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 938a1c15eab21846b96971f70eac4ef78f273adf89d6305aee7b91f5212e9013

(this sample)

Comments