MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063. 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 3 File information Comments

SHA256 hash: 4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063
SHA3-384 hash: 090f1627c3f3ef4d6bc9e85f84407142783201e64b0cbfa4ac431cbb42c6b030a50569fd4ff0bf788cd0e53a626c9416
SHA1 hash: f941ecb689ead0579ab3c6e4a103fe67a5fef0c0
MD5 hash: cd9893216c015b03a70d5ed52a7bd7f9
humanhash: one-ten-diet-pluto
File name:quj5eQiH0pvKKhn.exe
Download: download sample
Signature AgentTesla
File size:404'992 bytes
First seen:2021-10-19 13:34:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:GNsLpYtTybuBdn7L5dpYtvN9PPgSqprQbI3rUH5gSzmSlwvlQgwIJ98SWZZ2:GeLuFfBBX57Ytvn1c3IZgSpjgwoypZQ
Threatray 12'025 similar samples on MalwareBazaar
TLSH T16E84125E338EF13BD5BD06B268A0594D4374D2226256F78A9F9480BA87877C40DD2BF3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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:
packed
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 505585 Sample: quj5eQiH0pvKKhn.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 4 other signatures 2->51 6 quj5eQiH0pvKKhn.exe 3 2->6         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 2->12         started        process3 file4 23 C:\Users\user\...\quj5eQiH0pvKKhn.exe.log, ASCII 6->23 dropped 53 Writes to foreign memory regions 6->53 55 Injects a PE file into a foreign processes 6->55 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 conhost.exe 10->21         started        signatures5 process6 dnsIp7 29 upgcambodia.com 88.99.137.80, 49792, 587 HETZNER-ASDE Germany 14->29 31 mail.upgcambodia.com 14->31 25 C:\Users\user\AppData\Roaming\...25XLun.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 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 43 3 other signatures 14->43 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->41 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-19 11:44:26 UTC
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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:
25f65900267e1c2962051f66af10742fde2d1fd803a5db600a351ee5a44befe4
MD5 hash:
161f517854caa4f76c79aac58911fa23
SHA1 hash:
8a3d53e1be16071f158c73b9924332d04ecb2662
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
SH256 hash:
4e39152d508d4500f20c9e5074ceedc6e111d42a5ad71173aba9bf44d936c5b7
MD5 hash:
80f0d1d5319bc296be8425b4408f62ae
SHA1 hash:
2f3565c88600caa77893bd1d8a082501bab29131
SH256 hash:
4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063
MD5 hash:
cd9893216c015b03a70d5ed52a7bd7f9
SHA1 hash:
f941ecb689ead0579ab3c6e4a103fe67a5fef0c0
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 4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063

(this sample)

  
Delivery method
Distributed via e-mail attachment

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