MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a115b193cd8584c561a8e9ef9a1b65a7e4a7e9eef19d2607f7ee12588f38803. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1

SHA256 hash: 5a115b193cd8584c561a8e9ef9a1b65a7e4a7e9eef19d2607f7ee12588f38803
SHA3-384 hash: a33a5a0d67ab36a027db63b5a3e247ba9f1d1f3944ebf11d268de1f341676938e2a8a334cb37ff7d8cab6575b40bb2b9
SHA1 hash: 62fde75198a4b2675191679b340c7ff13cfc3698
MD5 hash: bfd58154c89b07862ee3088fbc07f255
humanhash: wolfram-uranus-mockingbird-double
File name:image002.png@01D4EB98.FAE33E60.exe
Download: download sample
Signature AgentTesla
File size:725'504 bytes
First seen:2021-05-07 11:29:32 UTC
Last seen:2021-05-07 12:14:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:F/282EPi/hUVSZ+gm3oIYt6efqATmGti0VzJItsPOgee7+aayKxzGbvpM:MbEPi/hUVmhaoIi60D/n9IeCaazzG7p
Threatray 4'584 similar samples on MalwareBazaar
TLSH A5F412AD1BDCAA20C5FDAF34A4A1425702B1F4525E23E73C2EE435B759737E0CA123A5
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
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
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 408820 Sample: image002.png@01D4EB98.FAE33... Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 7 other signatures 2->39 7 image002.png@01D4EB98.FAE33E60.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\OgUVTto.exe, PE32 7->23 dropped 25 C:\Users\user\...\OgUVTto.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp5BD3.tmp, XML 7->27 dropped 29 C:\...\image002.png@01D4EB98.FAE33E60.exe.log, ASCII 7->29 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Injects a PE file into a foreign processes 7->47 11 image002.png@01D4EB98.FAE33E60.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        17 image002.png@01D4EB98.FAE33E60.exe 7->17         started        19 image002.png@01D4EB98.FAE33E60.exe 7->19         started        signatures5 process6 dnsIp7 31 mail.davitecco.com 125.212.217.248, 49741, 49742, 587 VIETEL-AS-APViettelGroupVN Viet Nam 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-07 11:27:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
5a115b193cd8584c561a8e9ef9a1b65a7e4a7e9eef19d2607f7ee12588f38803
MD5 hash:
bfd58154c89b07862ee3088fbc07f255
SHA1 hash:
62fde75198a4b2675191679b340c7ff13cfc3698
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: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 5a115b193cd8584c561a8e9ef9a1b65a7e4a7e9eef19d2607f7ee12588f38803

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-07 12:21:59 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0026.002] Data Micro-objective::XOR::Encode Data