MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f554fa60f40b4821dcb2397b028610306bcaca7bd2a8e66ef7b1123e6113a1e. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 6f554fa60f40b4821dcb2397b028610306bcaca7bd2a8e66ef7b1123e6113a1e
SHA3-384 hash: 55f288a2a3f461f3ed99b9b353a76e818a8ba0aeb854b3e11c52da144b7c1fc59335e8d7db7cbd0effaa24d6aac86714
SHA1 hash: c269a1c012ba0384d9b2c8db95bdf508fc4405dc
MD5 hash: 8303ce2ec9c5d21d4ab21d8503e27309
humanhash: oxygen-neptune-solar-lake
File name:OC_Y601948275.exe
Download: download sample
Signature AgentTesla
File size:1'116'672 bytes
First seen:2021-09-16 22:49:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0gmnJ1iyBa8IX7ntoYVyeio8OsmlNJcCTeD6u:0DJ1HIVX7tNyeCmlN/T
Threatray 9'937 similar samples on MalwareBazaar
TLSH T1F035E43D29FD2227D179D7B6CBE08827F554A8AF3111AD6468D383AA4352E4275C323F
dhash icon d1130367677b1e8d (7 x AgentTesla, 5 x Formbook, 5 x Loki)
Reporter Racco42
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OC_Y601948275.exe
Verdict:
Malicious activity
Analysis date:
2021-09-16 22:51:18 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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)
Sigma detected: Powershell Defender Exclusion
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: 484824 Sample: OC_Y601948275.exe Startdate: 17/09/2021 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 6 other signatures 2->39 7 OC_Y601948275.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\OqCXdO.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpDEE6.tmp, XML 7->25 dropped 27 C:\Users\user\...\OC_Y601948275.exe.log, ASCII 7->27 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 2 other signatures 7->47 11 OC_Y601948275.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 tecnomedica.com.py 216.172.171.133, 49835, 587 UNIFIEDLAYER-AS-1US United States 11->29 31 mail.tecnomedica.com.py 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 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-26 18:33:08 UTC
AV detection:
21 of 28 (75.00%)
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
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:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
595adec64e7c1a72c7af2109d038e537756396da20a54398ca5fbbd1e629f66e
MD5 hash:
2f9bec45e302ce990b846302d7fb047a
SHA1 hash:
9e233b42285a61191bda2d081d4370b2b3fc7536
SH256 hash:
8d22bb75db64597129a90665f1c78c4180cab2c86ccfc8bb64322cb29b331c81
MD5 hash:
b4c2e5bdc0c81b4428f16c14eea877aa
SHA1 hash:
3e5afc84f043b4a58c7e0477ed2cbd036b54377b
SH256 hash:
6f554fa60f40b4821dcb2397b028610306bcaca7bd2a8e66ef7b1123e6113a1e
MD5 hash:
8303ce2ec9c5d21d4ab21d8503e27309
SHA1 hash:
c269a1c012ba0384d9b2c8db95bdf508fc4405dc
Malware family:
Agent Tesla v3
Verdict:
Malicious
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: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 6f554fa60f40b4821dcb2397b028610306bcaca7bd2a8e66ef7b1123e6113a1e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments