MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6373b3649500fd9ad4910c8cb4c4e892026b6ca2a890ae2f9ad5800091132bd4. 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: 6373b3649500fd9ad4910c8cb4c4e892026b6ca2a890ae2f9ad5800091132bd4
SHA3-384 hash: 77f61615f3cc91ddba5284d52b2f8be01ee9e12b2da58b98e6b0ffad6f387cbc1b1cf80ca4dcd5a3ab2fe2fe2e67bdc3
SHA1 hash: 9092ed009836d6bf89c81ee850e7b65ac3b8b6f0
MD5 hash: 49891b552b98342276f717e7d07107cf
humanhash: double-south-california-potato
File name:documents-PDF.exe
Download: download sample
Signature AgentTesla
File size:919'552 bytes
First seen:2023-03-13 07:10:12 UTC
Last seen:2023-03-20 07:24:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:t6FfqhC5dMhyY3BCunjSOkIQ9dTuILt27y:4MhUMyK7JQ9diIA7
Threatray 137 similar samples on MalwareBazaar
TLSH T127159D4483485F2CF2E1227D34683EC62E825CCCE9AEBBEF4967E479B5F841507D6846
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 230d9d1b45678dcd (2 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
documents-PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-03-13 07:24:29 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
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825169 Sample: documents-PDF.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 5 other signatures 2->53 7 documents-PDF.exe 7 2->7         started        11 GIBtAugH.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\RoamingbehaviorgraphIBtAugH.exe, PE32 7->31 dropped 33 C:\Users\...behaviorgraphIBtAugH.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpB5BE.tmp, XML 7->35 dropped 37 C:\Users\user\...\documents-PDF.exe.log, CSV 7->37 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 May check the online IP address of the machine 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 65 4 other signatures 7->65 13 documents-PDF.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 GIBtAugH.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 api4.ipify.org 64.185.227.155, 443, 49695, 49697 WEBNXUS United States 13->39 41 discordapp.com 162.159.129.233, 443, 49696, 49699 CLOUDFLARENETUS United States 13->41 45 2 other IPs or domains 13->45 67 Installs a global keyboard hook 13->67 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        43 api.ipify.org 21->43 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->69 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Taskun
Status:
Malicious
First seen:
2023-03-13 03:33:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1082105558091444274/A0XHP01cm7LsTQb2ZG9xq7ALSSvZu-NFHZ2h7P-g9Uf4VYdPanXdKaotdRocdFqqsW9g
Unpacked files
SH256 hash:
b8877238b6459130d57677dcc70e394950469c7090b2e70973184d7696ee3a32
MD5 hash:
6ba7a5936360514981731ebd2d845c46
SHA1 hash:
bbe1c9f1489ebd1344a066a8f9939b2b67792186
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
ab7956d210f0623698efe924eb60631edcfa54f45e71cda2b8c8213ba7d450da
MD5 hash:
07de74de16461c26e6988dded81f6d44
SHA1 hash:
3209cfa1e17680792097462ff7bc29a81547ae3c
SH256 hash:
6373b3649500fd9ad4910c8cb4c4e892026b6ca2a890ae2f9ad5800091132bd4
MD5 hash:
49891b552b98342276f717e7d07107cf
SHA1 hash:
9092ed009836d6bf89c81ee850e7b65ac3b8b6f0
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 6373b3649500fd9ad4910c8cb4c4e892026b6ca2a890ae2f9ad5800091132bd4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments