MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27f47dda959af174fb8d5dceb4d1abc99fa1f7c28160ee217a98f57bb03144be. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 27f47dda959af174fb8d5dceb4d1abc99fa1f7c28160ee217a98f57bb03144be
SHA3-384 hash: 1ba91757cffda7465becfbb7dd7a351bfe20f49c31d9ddd4846ad1cd41b8dd09e15c3661b95910b6c49b638853aba108
SHA1 hash: ba2b51c06a50868d1e733791f3fcb2bb2669fc02
MD5 hash: 1d4ce470661ccff7d1cf20564a253d92
humanhash: zebra-twelve-charlie-blossom
File name:PO.exe
Download: download sample
Signature AgentTesla
File size:585'728 bytes
First seen:2021-04-02 09:07:47 UTC
Last seen:2021-04-02 13:07:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/mG8pgkjkv9pI78h01DHiI7ahiyZx5KVk0EIOeW8QG7j8:/98m1GTVaAVk/Izx
Threatray 7 similar samples on MalwareBazaar
TLSH A6C4DF14E7AC4B5DE07E57FB407032343FFDA195D252FF89EEE120AD29627818462B1A
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-04-02 09:19:40 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
Sending a UDP request
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Creating a window
DNS request
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.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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
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: 380698 Sample: PO.exe Startdate: 02/04/2021 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 6 other signatures 2->69 7 PO.exe 7 2->7         started        11 kprUEGC.exe 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 47 C:\Users\user\AppData\RoamingbehaviorgraphUNhlkNe.exe, PE32 7->47 dropped 49 C:\Users\user\AppData\Local\...\tmp7BFB.tmp, XML 7->49 dropped 51 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 7->51 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->73 75 Uses schtasks.exe or at.exe to add and modify task schedules 7->75 15 PO.exe 7->15         started        19 powershell.exe 21 7->19         started        21 powershell.exe 23 7->21         started        29 2 other processes 7->29 77 Multi AV Scanner detection for dropped file 11->77 79 Adds a directory exclusion to Windows Defender 11->79 81 Injects a PE file into a foreign processes 11->81 23 powershell.exe 11->23         started        25 schtasks.exe 11->25         started        27 powershell.exe 11->27         started        31 2 other processes 11->31 signatures5 process6 file7 53 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->53 dropped 55 C:\Windows\System32\drivers\etc\hosts, ASCII 15->55 dropped 57 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->57 dropped 59 Modifies the hosts file 15->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->61 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        45 conhost.exe 29->45         started        signatures8 process9
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2021-04-01 22:01:38 UTC
AV detection:
8 of 44 (18.18%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla 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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
SH256 hash:
27f47dda959af174fb8d5dceb4d1abc99fa1f7c28160ee217a98f57bb03144be
MD5 hash:
1d4ce470661ccff7d1cf20564a253d92
SHA1 hash:
ba2b51c06a50868d1e733791f3fcb2bb2669fc02
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: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.

Malspam

AgentTesla

Executable exe 27f47dda959af174fb8d5dceb4d1abc99fa1f7c28160ee217a98f57bb03144be

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments