MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 960c29fb936458bf529e1ce90138a6d5de5c5c49e18ae552b19de309080fb4ed. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 960c29fb936458bf529e1ce90138a6d5de5c5c49e18ae552b19de309080fb4ed
SHA3-384 hash: 503b00ac36962200a06416ba62696c0d0f4a68032da0a0a7bb1f9bd2eff3dd2ec48f6370d4ac0332639ac7b296d0bc7d
SHA1 hash: 8b5752ccdc714bdb49a8ea9f5d5d0396d99000af
MD5 hash: ec893ce35ce8737684d662782d6b1e99
humanhash: hamper-kitten-football-neptune
File name:Copy of the Invoice 022021.pdf.exe
Download: download sample
Signature AgentTesla
File size:929'792 bytes
First seen:2021-04-29 12:21:40 UTC
Last seen:2021-04-30 05:17:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:eWUHoh6ruVwfJtsaoMNFK9WzPIm0XJtJ17NdYdi01IB39ZLSGoaLS7:e3IVwf1oMdt03JrdKi5B39ZLdoaLG
Threatray 4'293 similar samples on MalwareBazaar
TLSH C415012637A4DA69E03D17F458B0924143B5FE126A22C60D7DD5235E0EB3BD2873B7E2
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 400034 Sample: Copy of the Invoice 022021.... Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 62 smtp.abanit.net 2->62 64 us2.smtp.mailhostbox.com 2->64 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AgentTesla 2->72 74 10 other signatures 2->74 8 Copy of the Invoice 022021.pdf.exe 9 2->8         started        12 pGKuRU.exe 2->12         started        14 pGKuRU.exe 2->14         started        signatures3 process4 dnsIp5 54 C:\Users\user\AppData\...\jxUSJSKdqXm.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\...\tmp6744.tmp, XML 8->56 dropped 86 Adds a directory exclusion to Windows Defender 8->86 88 Injects a PE file into a foreign processes 8->88 17 Copy of the Invoice 022021.pdf.exe 8->17         started        22 powershell.exe 26 8->22         started        24 powershell.exe 21 8->24         started        34 2 other processes 8->34 90 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->90 92 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->92 94 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->94 96 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 12->96 26 powershell.exe 12->26         started        28 powershell.exe 12->28         started        30 schtasks.exe 12->30         started        32 pGKuRU.exe 12->32         started        66 127.0.0.1 unknown unknown 14->66 file6 signatures7 process8 dnsIp9 58 smtp.abanit.net 17->58 60 us2.smtp.mailhostbox.com 208.91.199.223, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->60 50 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 17->50 dropped 52 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 17->52 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file access) 17->78 80 Tries to harvest and steal ftp login credentials 17->80 84 2 other signatures 17->84 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        82 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 26->82 40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 34->46         started        48 conhost.exe 34->48         started        file10 signatures11 process12
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2021-04-29 12:21:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
960c29fb936458bf529e1ce90138a6d5de5c5c49e18ae552b19de309080fb4ed
MD5 hash:
ec893ce35ce8737684d662782d6b1e99
SHA1 hash:
8b5752ccdc714bdb49a8ea9f5d5d0396d99000af
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments