MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 522b7ef912b248f1398e9c508fc59d8eefaff8f6497563c5353366e136c22e8b. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 522b7ef912b248f1398e9c508fc59d8eefaff8f6497563c5353366e136c22e8b
SHA3-384 hash: 4acfe6b63729841a35fbede9b1ab60eb15248289bdb63c1624f157632cfefcd6b6ccb495d371e6e561db5fc8281bf2ca
SHA1 hash: a837b348cc05ba434831e1f7e9240e5059527345
MD5 hash: e6f24a8a1437b8cf44c2f0a1a66b39fd
humanhash: uniform-carpet-steak-spaghetti
File name:Payment Advice Copy...exe
Download: download sample
Signature AgentTesla
File size:422'400 bytes
First seen:2021-12-23 20:52:14 UTC
Last seen:2021-12-24 06:16:30 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:FWSBnadXOTxpa/f3E51YmZ9nS7b4iA8tc:FWZXOPYf3FmZ9nyUKc
Threatray 13'697 similar samples on MalwareBazaar
TLSH T1FF9412151360D700EAFB3BB988F792A027BBB9426C19D32C5F5B409F147176197A2BB3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice Copy...exe
Verdict:
Malicious activity
Analysis date:
2021-12-23 20:52:58 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
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 544671 Sample: Payment Advice Copy...exe Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 16 other signatures 2->36 7 Payment Advice Copy...exe 7 2->7         started        process3 file4 22 C:\Users\user\AppData\RoamingfoHjQ.exe, PE32 7->22 dropped 24 C:\Users\user\...foHjQ.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\Temp\tmp640.tmp, XML 7->26 dropped 28 C:\Users\...\Payment Advice Copy...exe.log, ASCII 7->28 dropped 38 Adds a directory exclusion to Windows Defender 7->38 40 Injects a PE file into a foreign processes 7->40 11 Payment Advice Copy...exe 2 7->11         started        14 powershell.exe 25 7->14         started        16 schtasks.exe 1 7->16         started        signatures5 process6 signatures7 42 Installs a global keyboard hook 11->42 18 conhost.exe 14->18         started        20 conhost.exe 16->20         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-23 15:47:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ed1eb45e695700a7894d150607b13fd9678b848ea8ca431fe58b39adb5f020e5
MD5 hash:
027e3fec21bd179093d0dc1b595455b4
SHA1 hash:
83b5e6748fed13f037d02622b0ddcb2a12898f48
SH256 hash:
a5d3e4346f41ef0191e009cc2563bbdfcbffcac0ebf5832bb9cf99d436091eaa
MD5 hash:
3dd21cb85addb789b72950e74a9588ac
SHA1 hash:
6af0dcf3c7447fea01745485a351282487ab9f9c
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
SH256 hash:
522b7ef912b248f1398e9c508fc59d8eefaff8f6497563c5353366e136c22e8b
MD5 hash:
e6f24a8a1437b8cf44c2f0a1a66b39fd
SHA1 hash:
a837b348cc05ba434831e1f7e9240e5059527345
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 522b7ef912b248f1398e9c508fc59d8eefaff8f6497563c5353366e136c22e8b

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments