MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b8f8698c1165d37f1dcf607bfc31a0d8f884389b26ebbd106bca128f85e40e6. 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: 8b8f8698c1165d37f1dcf607bfc31a0d8f884389b26ebbd106bca128f85e40e6
SHA3-384 hash: 51c81e1aeb9158326d8ff356ab7f2c39592b24b33f93e87f1d05e0ea8fba75f1b3582bc5679e439c78e019cf4524a6a3
SHA1 hash: 3974dd90b0180e8087bc2adbd3947f651a656ab6
MD5 hash: 7c11ef37a7bdad154a455d59b65c190a
humanhash: oregon-quiet-lithium-diet
File name:Remittance Details,.exe
Download: download sample
Signature AgentTesla
File size:763'904 bytes
First seen:2021-04-12 09:12:37 UTC
Last seen:2021-04-12 09:55:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Mgdxbzvzi13jlCfH4lEWSoWVZpeQTG3PjMJtS0crwEpYi/Py1A/K:MyPvzk35CfYl8oWVT0PjsStDphPy1v
Threatray 3'870 similar samples on MalwareBazaar
TLSH 56F42388A7D8BB78D47E577D9831040027F2F54EE733E6567D8818BE1A83AA8C784752
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance Details,.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-12 09:14:50 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
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)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 385352 Sample: Remittance Details,.exe Startdate: 12/04/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 6 Remittance Details,.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2 2->12         started        process3 file4 21 C:\Users\user\...\Remittance Details,.exe.log, ASCII 6->21 dropped 49 Injects a PE file into a foreign processes 6->49 14 Remittance Details,.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->53 55 Machine Learning detection for dropped file 10->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->57 19 kprUEGC.exe 2 10->19         started        signatures5 process6 dnsIp7 29 lallyautomobiles.net 162.241.85.194, 49760, 587 OIS1US United States 14->29 31 mail.lallyautomobiles.net 14->31 23 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->23 dropped 25 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->25 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 4 other signatures 14->39 27 C:\Windows\System32\drivers\etc\hosts, ASCII 19->27 dropped file8 signatures9
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-12 02:14:33 UTC
AV detection:
8 of 48 (16.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
8b8f8698c1165d37f1dcf607bfc31a0d8f884389b26ebbd106bca128f85e40e6
MD5 hash:
7c11ef37a7bdad154a455d59b65c190a
SHA1 hash:
3974dd90b0180e8087bc2adbd3947f651a656ab6
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 8b8f8698c1165d37f1dcf607bfc31a0d8f884389b26ebbd106bca128f85e40e6

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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