MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55827efa0f144f47c34b99d416bc1ffce3daf421da009cbf02f03dd1a3511a22. 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 3 File information Comments 1

SHA256 hash: 55827efa0f144f47c34b99d416bc1ffce3daf421da009cbf02f03dd1a3511a22
SHA3-384 hash: ff66f75954b50e2f9be15d768de9784eb35762b24927bef304d9ffdfb27cae3dc34f7e1140f7eb7dfeb6296963272e21
SHA1 hash: 7fb4e8e9da014853bd6b74136ea7c63a588b83fe
MD5 hash: 6bf59ae6437f31c26e4c68c62fff895f
humanhash: equal-mirror-beryllium-steak
File name:6bf59ae6437f31c26e4c68c62fff895f
Download: download sample
Signature AgentTesla
File size:604'672 bytes
First seen:2021-10-19 08:15:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:gNZJTyUSxjn4NPY29h8PQ2Sjqo97OwSAXKI8xOqgckqDWKbt/PXDZXqaPyhWnBSY:q4ICiVeHNDet7Tm
Threatray 12'002 similar samples on MalwareBazaar
TLSH T15FD4E00435459D9FC8A94E3684745C621B226827420AF283BDC73EDFFD9E7878A1E35B
File icon (PE):PE icon
dhash icon 0c32b232d3c8c453 (49 x AgentTesla, 21 x Loki, 4 x Formbook)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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:
obfuscated 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.evad
Score:
100 / 100
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 505348 Sample: 366kUYHGoB Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 46 mail.croatiahunt.com 2->46 48 croatiahunt.com 2->48 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AgentTesla 2->54 56 Yara detected AntiVM3 2->56 58 3 other signatures 2->58 8 366kUYHGoB.exe 7 2->8         started        12 BnevyAj.exe 5 2->12         started        14 BnevyAj.exe 3 2->14         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\WnVIHwRlcWCt.exe, PE32 8->38 dropped 40 C:\Users\...\WnVIHwRlcWCt.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp33E5.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\366kUYHGoB.exe.log, ASCII 8->44 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 16 366kUYHGoB.exe 2 5 8->16         started        20 schtasks.exe 1 8->20         started        22 366kUYHGoB.exe 8->22         started        66 Machine Learning detection for dropped file 12->66 24 schtasks.exe 1 12->24         started        26 BnevyAj.exe 2 12->26         started        28 BnevyAj.exe 12->28         started        signatures6 process7 file8 34 C:\Users\user\AppData\Roaming\...\BnevyAj.exe, PE32 16->34 dropped 36 C:\Users\user\...\BnevyAj.exe:Zone.Identifier, ASCII 16->36 dropped 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->50 30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-19 08:15:11 UTC
AV detection:
10 of 45 (22.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
036f7961a083cb7ed036488a467985eb69b333b937b26160ba2b3465a7e7fdbc
MD5 hash:
b28fb154ff278269ce7179d0add48bc6
SHA1 hash:
af8ab1fec53b72bcd27d03dab38aaf0991817ab7
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
SH256 hash:
e90d3dd39e5b75dfc5015ca971e0ec2901415d8b67aefea92ed3248410e9a136
MD5 hash:
2d48101da9b2f1eea9e59be33cf23c89
SHA1 hash:
41e0a4a6864e5a002b25c413899ca023c756c0bb
SH256 hash:
55827efa0f144f47c34b99d416bc1ffce3daf421da009cbf02f03dd1a3511a22
MD5 hash:
6bf59ae6437f31c26e4c68c62fff895f
SHA1 hash:
7fb4e8e9da014853bd6b74136ea7c63a588b83fe
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.

Web download

AgentTesla

Executable exe 55827efa0f144f47c34b99d416bc1ffce3daf421da009cbf02f03dd1a3511a22

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-19 08:15:07 UTC

url : hxxp://198.12.84.79/00660066/vbc.exe