MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 688c90a30c07d51f1dd5ff4c043c18f638b450e830caa41f62c311aa4d43d8fc. 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: 688c90a30c07d51f1dd5ff4c043c18f638b450e830caa41f62c311aa4d43d8fc
SHA3-384 hash: f232c16c3217a2042a29c014efce726da28936918a6307459d11806779e93953ba3e5b77345d51fe8d3d3b08a47802cd
SHA1 hash: 4c5dbd00ee66901f655e3322265e6db5f1434394
MD5 hash: 5c2d517e8578905ccb07f379e6793359
humanhash: black-pasta-lake-december
File name:Based on our last mail.exe
Download: download sample
Signature AgentTesla
File size:1'337'344 bytes
First seen:2021-08-26 12:02:55 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 24576:4BdWIuradCobjxL4HMzwzdYPDP8+6q0JUWV/Nm/y12NhmN:4GIwa8Ml/bHb0JCyYu
Threatray 8'969 similar samples on MalwareBazaar
TLSH T1A255163C29BD222BD1B9C7B9CBE59827F01499AF3110AD6458D357AA4B53E4235C323F
dhash icon 1834b436f2f0f0c2 (10 x AgentTesla, 7 x Formbook, 5 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Based on our last mail.exe
Verdict:
Malicious activity
Analysis date:
2021-08-26 12:03:42 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
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: Suspicious Process Start Without DLL
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)
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:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-08-26 12:03:13 UTC
AV detection:
15 of 28 (53.57%)
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:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
e8396f348412b5eb3fc82c74048e60b1a00c64d838af1b6c2a6c4d7431cf28d9
MD5 hash:
c3c63617977553b674eb068673c143a1
SHA1 hash:
8b29361ea3b4e535c0ebac5c6b5005e4267b0870
SH256 hash:
0316578d63486eae518de2e922d912400297e669e7ae56ee070b118e992c8ba0
MD5 hash:
ac40952adebe4db7a9ab58e927c4117d
SHA1 hash:
517922181a5bf44514009d3a854e91b529634ea8
SH256 hash:
688c90a30c07d51f1dd5ff4c043c18f638b450e830caa41f62c311aa4d43d8fc
MD5 hash:
5c2d517e8578905ccb07f379e6793359
SHA1 hash:
4c5dbd00ee66901f655e3322265e6db5f1434394
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 688c90a30c07d51f1dd5ff4c043c18f638b450e830caa41f62c311aa4d43d8fc

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments