MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3c5dd5504de3725ef9e40d0379cc273a356a90c6b2febb9dbc1f711348a1601. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: c3c5dd5504de3725ef9e40d0379cc273a356a90c6b2febb9dbc1f711348a1601
SHA3-384 hash: cd54d791d02bd21e0475b243a71323237b09b58b33068e14669d36ab284e0b0da31294f11b7cab3f55f1f945149521f6
SHA1 hash: 837a0614443c9d2ba08aa993cf09a82e4b770f4a
MD5 hash: 9397806044438a881d39d9e58703004a
humanhash: fish-xray-fish-golf
File name:Bank Swift.exe
Download: download sample
Signature AgentTesla
File size:381'440 bytes
First seen:2020-07-29 06:32:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:p0MZy/EMnxLoJBtlUGvtyCTgtoESYaCM3aIzNji8/lZ2W3T5+1YnSgRnW8/3304q:2wTBHHZj7YiaIhi8/lZV3TI1H8P1UhSH
Threatray 10'716 similar samples on MalwareBazaar
TLSH 5984CF40CB988BA8D38B567F1874581117F591CB4EDBB34B03185E3DB8C62B4AF5E92B
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 252895 Sample: Bank Swift.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 6 other signatures 2->69 9 Bank Swift.exe 4 2->9         started        14 HBWELB.exe 2 2->14         started        16 HBWELB.exe 2->16         started        18 wuapihost.exe 2->18         started        process3 dnsIp4 59 192.168.2.1 unknown unknown 9->59 51 C:\Users\user\s.exe, PE32 9->51 dropped 53 C:\Users\user\AppData\...\HJdyTuap.exe, PE32 9->53 dropped 55 C:\Users\user\s.exe:Zone.Identifier, ASCII 9->55 dropped 83 Maps a DLL or memory area into another process 9->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->85 20 Bank Swift.exe 9->20         started        23 RegAsm.exe 9->23         started        25 RegAsm.exe 2 4 9->25         started        27 RegAsm.exe 9->27         started        29 conhost.exe 14->29         started        31 conhost.exe 16->31         started        file5 signatures6 process7 signatures8 71 Maps a DLL or memory area into another process 20->71 33 Bank Swift.exe 20->33         started        36 RegAsm.exe 2 20->36         started        73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 23->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->77 process9 signatures10 61 Maps a DLL or memory area into another process 33->61 38 Bank Swift.exe 33->38         started        41 RegAsm.exe 3 33->41         started        process11 signatures12 79 Maps a DLL or memory area into another process 38->79 43 RegAsm.exe 3 38->43         started        47 RegAsm.exe 38->47         started        49 Bank Swift.exe 38->49         started        81 Hides that the sample has been downloaded from the Internet (zone.identifier) 41->81 process13 file14 57 C:\Users\user\AppData\Roaming\...\HBWELB.exe, PE32 43->57 dropped 87 Tries to steal Mail credentials (via file access) 43->87 89 Tries to harvest and steal browser information (history, passwords, etc) 43->89 91 Hides that the sample has been downloaded from the Internet (zone.identifier) 43->91 signatures15
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-07-29 06:34:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Drops startup file
Drops startup file
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe c3c5dd5504de3725ef9e40d0379cc273a356a90c6b2febb9dbc1f711348a1601

(this sample)

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