MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5512bb93b3d36122fe75d5f4cac2904947942704674ab517f4aeeb2eb0a988f. 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

SHA256 hash: a5512bb93b3d36122fe75d5f4cac2904947942704674ab517f4aeeb2eb0a988f
SHA3-384 hash: 7df9b7270936130c4ade01ea93deeffd40c62b59e2984d4729306e903238a47f47e659b317db55ce4124ae32a3e86b9b
SHA1 hash: d7e7f2ac4d1b472649b9f49a29ad9b8b16c1bf5a
MD5 hash: 4b8dfb73e8a6ef44c5ee1daf91956448
humanhash: fillet-april-blossom-november
File name:NEW INQUIRY.exe
Download: download sample
Signature AgentTesla
File size:1'296'896 bytes
First seen:2021-08-12 13:28:33 UTC
Last seen:2021-08-12 15:20:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Zfoa6SHABUTQgjfNGGypLNRTdN3+bawXlknS79N1PB0ozDbj1dtaEwN4Q6H+Uy19:Jz6GA+pNGGyb9dJ49kS7d75hWZZS5R0
Threatray 8'339 similar samples on MalwareBazaar
TLSH T17B55F19A375075BEC917CA7289141C10EA61AC6643CB863F90133D99DEFE9ABCF051F2
dhash icon 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW INQUIRY.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-12 13:29:13 UTC
Tags:
keylogger stealer agenttesla

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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Verdict:
MALICIOUS
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 464223 Sample: NEW INQUIRY.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 30 us2.smtp.mailhostbox.com 2->30 32 smtp.kemede.com 2->32 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 10 other signatures 2->54 7 NEW INQUIRY.exe 3 2->7         started        11 newapp.exe 3 2->11         started        13 newapp.exe 2 2->13         started        signatures3 process4 file5 28 C:\Users\user\AppData\...28EW INQUIRY.exe.log, ASCII 7->28 dropped 56 Injects a PE file into a foreign processes 7->56 15 NEW INQUIRY.exe 2 9 7->15         started        20 NEW INQUIRY.exe 7->20         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Detected unpacking (changes PE section rights) 11->62 64 3 other signatures 11->64 22 newapp.exe 2 11->22         started        signatures6 process7 dnsIp8 34 us2.smtp.mailhostbox.com 208.91.199.223, 49766, 49767, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->34 36 192.168.2.1 unknown unknown 15->36 38 smtp.kemede.com 15->38 24 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->24 dropped 26 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->26 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 Tries to harvest and steal ftp login credentials 15->44 46 3 other signatures 15->46 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-12 09:05:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
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:
b5efd2276a2be7975b43349cdac4cad25a8ebfd230e5c3298500fef6205d4670
MD5 hash:
a752e14e034e67c73496cfd98b4b9962
SHA1 hash:
a9cf82daba160a3b7d15c0de9b9918835db65b70
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
b464f2d487ec7d84ea8dab3407fd7c91e99807c5fcc5e984bff107d704341fa5
MD5 hash:
3bcf6ac3e011254c5e7fde2d52448a82
SHA1 hash:
5cb65a8fb637dee278803db6f35d53a193f8fb0b
SH256 hash:
a5512bb93b3d36122fe75d5f4cac2904947942704674ab517f4aeeb2eb0a988f
MD5 hash:
4b8dfb73e8a6ef44c5ee1daf91956448
SHA1 hash:
d7e7f2ac4d1b472649b9f49a29ad9b8b16c1bf5a
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.

Malspam

AgentTesla

Executable exe a5512bb93b3d36122fe75d5f4cac2904947942704674ab517f4aeeb2eb0a988f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments