MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75506a0e57fd5c479e9ca63cb9a2f388210a642bc14c596260d3ed00d4534925. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 75506a0e57fd5c479e9ca63cb9a2f388210a642bc14c596260d3ed00d4534925
SHA3-384 hash: cd81883d793663d70b13e2232f0de1b2f2658df6113225b17c22f698ee7a7ff5c881ce5b28156c1b99582e25edcf3c7e
SHA1 hash: 8c48c04081cac69f1d775b6719ec5eb4b1380eca
MD5 hash: c6da68c3a729d485a1a569965d47bd11
humanhash: virginia-wisconsin-spring-quebec
File name:New_Order_PO#960780_MT_Quote-MT-valve.exe
Download: download sample
Signature AgentTesla
File size:683'520 bytes
First seen:2021-09-27 12:18:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:pOOIpIF/OXbrerqiz8kmdhVMLtYFRHUvxORFxw2lL+9:aIF2hZh2i/UJO7x
Threatray 10'286 similar samples on MalwareBazaar
TLSH T1D8E4D029B33C8A2FC9EF82BAF055011487E1F64B734DDBC49E9270ED69E9B35454248B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New_Order_PO#960780_MT_Quote-MT-valve.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 12:20:33 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
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 strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491417 Sample: New_Order_PO#960780_MT_Quot... Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 8 other signatures 2->41 7 New_Order_PO#960780_MT_Quote-MT-valve.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\uyjEYWzve.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp3632.tmp, XML 7->27 dropped 29 New_Order_PO#96078...te-MT-valve.exe.log, ASCII 7->29 dropped 43 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 3 other signatures 7->49 11 New_Order_PO#960780_MT_Quote-MT-valve.exe 6 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        19 New_Order_PO#960780_MT_Quote-MT-valve.exe 7->19         started        signatures5 process6 dnsIp7 31 karanex.com 185.8.128.141, 49766, 49767, 587 ALASTYRTR Turkey 11->31 33 mail.karanex.com 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Moves itself to temp directory 11->53 55 Tries to steal Mail credentials (via file access) 11->55 57 3 other signatures 11->57 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-27 11:48:38 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
7e73be3b68218e8a900ce2b8699598a8c15b959a409f827d7eb98f6a910aaddd
MD5 hash:
a1cc43f29faa6c632c7560119a760377
SHA1 hash:
d99de1b72e654b4ade7968283cbd0d06114292ab
SH256 hash:
c85ec605b6ce16a2bafebdf563f209dcc04f6b77a3fb708a8243ce40fa9ae5b8
MD5 hash:
99cfa3b71e416ae68a79635c22691225
SHA1 hash:
7468f5cdbfccb75753fd3bb1f60ba9bc0a070b52
SH256 hash:
dbae2a2856e191ed994ba099433539a5be19e640b5d18367f7d66626048d14b6
MD5 hash:
1800ecfdd83459172482d82073acb565
SHA1 hash:
1f91ede8caac01311d9cf561decfb127dfa66aad
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
SH256 hash:
75506a0e57fd5c479e9ca63cb9a2f388210a642bc14c596260d3ed00d4534925
MD5 hash:
c6da68c3a729d485a1a569965d47bd11
SHA1 hash:
8c48c04081cac69f1d775b6719ec5eb4b1380eca
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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

File information


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

Malspam

AgentTesla

Executable exe 75506a0e57fd5c479e9ca63cb9a2f388210a642bc14c596260d3ed00d4534925

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments