MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 054c8720f04e72e4ff7fd6c39646829d02ecf9434cbc68e1a773a6f4deae0499. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 054c8720f04e72e4ff7fd6c39646829d02ecf9434cbc68e1a773a6f4deae0499
SHA3-384 hash: 2a040795babfd6dcbce66d3aa146a62e6ec0c52944985085a1d67f68abd72e6b8a5b491cbec89908648c555198a155f5
SHA1 hash: 99d5c78096dee7d435b01bfac1775e4ba724263b
MD5 hash: 9b041945d99e552cccff15f284b63d65
humanhash: single-harry-crazy-johnny
File name:Invoice&BL.exe
Download: download sample
Signature AgentTesla
File size:868'864 bytes
First seen:2021-11-24 20:34:26 UTC
Last seen:2021-11-24 22:49:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Xr7PsymtD00sdMCDnpPqIOQrhXYHT2ukXGj4WkeVWhus4OleIBGj/jQQK+7wP9G0:Xr4ymC0sdWQrODkk4MVWg1q
Threatray 12'986 similar samples on MalwareBazaar
TLSH T10D056B88B54071DECC1BCB318935CC7496223DBA563A821E64CB3E6B7F7E5978A150B3
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice&BL.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 20:39:06 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed strictor
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
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: 528234 Sample: Invoice&BL.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 56 mail.friendsequipment.com 2->56 58 friendsequipment.com 2->58 68 Found malware configuration 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 9 other signatures 2->74 8 Invoice&BL.exe 7 2->8         started        12 DnDcR.exe 4 2->12         started        14 DnDcR.exe 2->14         started        signatures3 process4 file5 48 C:\Users\user\AppData\Roaming\oDJcwwrBf.exe, PE32 8->48 dropped 50 C:\Users\...\oDJcwwrBf.exe:Zone.Identifier, ASCII 8->50 dropped 52 C:\Users\user\AppData\Local\...\tmp69F4.tmp, XML 8->52 dropped 54 C:\Users\user\AppData\...\Invoice&BL.exe.log, ASCII 8->54 dropped 76 Detected unpacking (changes PE section rights) 8->76 78 Detected unpacking (overwrites its own PE header) 8->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->80 88 3 other signatures 8->88 16 Invoice&BL.exe 2 5 8->16         started        20 powershell.exe 25 8->20         started        22 schtasks.exe 1 8->22         started        24 Invoice&BL.exe 8->24         started        82 Multi AV Scanner detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->86 26 powershell.exe 12->26         started        28 schtasks.exe 12->28         started        30 DnDcR.exe 12->30         started        32 DnDcR.exe 12->32         started        signatures6 process7 file8 42 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 16->42 dropped 44 C:\Windows\System32\drivers\etc\hosts, ASCII 16->44 dropped 46 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 16->46 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->60 62 Tries to harvest and steal ftp login credentials 16->62 64 Modifies the hosts file 16->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->66 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-23 02:21:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
17 of 27 (62.96%)
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
706d5c95daac4f8fd1889b9d94fe8176f4bf931e29b134da22cabc89fee6ba74
MD5 hash:
b600acef634102944583f4734107a1c1
SHA1 hash:
ddbf74875fd9d608bb9fe3f5bc5ee95dd17bc692
SH256 hash:
3b44230c08f3ac6080f815bc4ca5f8d62b8129daf0fd1af3a4799e9caad6427c
MD5 hash:
3f0a072735928d574d4d21962c33719f
SHA1 hash:
3e864dd1eb71f1b69cb1afbd934744cd5da565ee
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
054c8720f04e72e4ff7fd6c39646829d02ecf9434cbc68e1a773a6f4deae0499
MD5 hash:
9b041945d99e552cccff15f284b63d65
SHA1 hash:
99d5c78096dee7d435b01bfac1775e4ba724263b
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:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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 054c8720f04e72e4ff7fd6c39646829d02ecf9434cbc68e1a773a6f4deae0499

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments