MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b6cef0c8661670c5fbc1cb78c9004f51c60b10354d02e24d1e9b8ff4154bb4. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: f8b6cef0c8661670c5fbc1cb78c9004f51c60b10354d02e24d1e9b8ff4154bb4
SHA3-384 hash: 7545e8bca48053a30667535941cd265dbf6775ec49bf58c040f98fc8ff0e4ac4fc5c2a51ff896c9050802e20206876df
SHA1 hash: 0f2873783a3115c4e7e1525067a92664f2e00e79
MD5 hash: 224fead957847e08e8aec7547b0a8caf
humanhash: red-skylark-berlin-happy
File name:Balance Payment.exe
Download: download sample
Signature AgentTesla
File size:894'464 bytes
First seen:2021-10-30 04:30:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6ZNClHzqLcb2s/2i7oI8mR8VZoMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM+MMMb:6nClHzKcbZ/2i7HPaZoMMMMMMMMMMMMf
Threatray 12'421 similar samples on MalwareBazaar
TLSH T13015BE326291BED6DEB94FB62511D8300FF1BC6BE328D2583DD83C9F35F68A15650682
File icon (PE):PE icon
dhash icon 74f0c6c4dcd4c4c4 (3 x AgentTesla, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Balance Payment.exe
Verdict:
Malicious activity
Analysis date:
2021-10-30 04:34:49 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
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
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512123 Sample: Balance Payment.exe Startdate: 30/10/2021 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Yara detected AgentTesla 2->60 62 7 other signatures 2->62 7 Balance Payment.exe 6 2->7         started        11 HjYArO.exe 2 2->11         started        13 HjYArO.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\RoamingZrfmJCk.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmpFDAD.tmp, XML 7->36 dropped 38 C:\Users\user\...\Balance Payment.exe.log, ASCII 7->38 dropped 64 Writes to foreign memory regions 7->64 66 Injects a PE file into a foreign processes 7->66 15 RegSvcs.exe 2 8 7->15         started        20 RegSvcs.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 40 webmail.mdist.us 192.185.226.148, 49820, 49821, 587 UNIFIEDLAYER-AS-1US United States 15->40 42 192.168.2.1 unknown unknown 15->42 30 C:\Users\user\AppData\Roaming\...\HjYArO.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 54 3 other signatures 15->54 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->52 28 conhost.exe 22->28         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2021-10-30 04:30:07 UTC
AV detection:
13 of 44 (29.55%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
af01a32cfc2d4f50edc14e8b1c264b96580392bcdf1aac581cf6e53ce5aeda21
MD5 hash:
b2c3c040159e4fabed9f44ee136fb90a
SHA1 hash:
c32f7013fc3f515c9d1eba6fcf00d551c8f4c8e6
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
f8b6cef0c8661670c5fbc1cb78c9004f51c60b10354d02e24d1e9b8ff4154bb4
MD5 hash:
224fead957847e08e8aec7547b0a8caf
SHA1 hash:
0f2873783a3115c4e7e1525067a92664f2e00e79
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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
Rule name:win_cannon_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe f8b6cef0c8661670c5fbc1cb78c9004f51c60b10354d02e24d1e9b8ff4154bb4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments