MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d657c278508c896eb401dd575052850c94a77280113f93d60f0e2c4584877e35. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: d657c278508c896eb401dd575052850c94a77280113f93d60f0e2c4584877e35
SHA3-384 hash: cd4d7a0aee44ea8f1da8af4eed55545132ea906c7bdaf44f753743f2fd2a317305bfc2b4a30f3d9bd4d5876d7b28c193
SHA1 hash: 1e075c1d5480add67e3b537fc0001953b4428e6f
MD5 hash: 35e22eee2dee70ae284f8b2fa0b5861b
humanhash: ack-purple-oxygen-cardinal
File name:PO.exe
Download: download sample
Signature AgentTesla
File size:788'992 bytes
First seen:2020-12-07 14:32:18 UTC
Last seen:2020-12-07 16:51:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:S0K6DfK6DunjubUL6eh5Wfxaw/z5RjDByO+35n62qPVGNbTuMuKBD7hpvAz:E6O6oubJ2aIozrjNDynmST0sDdc
Threatray 2'019 similar samples on MalwareBazaar
TLSH FAF46B39AE545139F5726F7C89A02555666E2F93BF1BE89D2CB131ED0B37AC288C013C
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 14:34:16 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
Sending a UDP request
Launching a process
Creating a process with a hidden window
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
.NET source code contains very large strings
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
May check the online IP address of the machine
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327547 Sample: PO.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 51 g.msn.com 2->51 63 Multi AV Scanner detection for dropped file 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 7 other signatures 2->69 8 PO.exe 7 2->8         started        12 Mymp4.exe 5 2->12         started        14 Mymp4.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\OvYVNxxH.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmpEB09.tmp, XML 8->37 dropped 39 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 8->39 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->73 16 PO.exe 17 5 8->16         started        21 schtasks.exe 1 8->21         started        75 Multi AV Scanner detection for dropped file 12->75 77 Injects a PE file into a foreign processes 12->77 23 Mymp4.exe 14 2 12->23         started        25 schtasks.exe 1 12->25         started        signatures6 process7 dnsIp8 41 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.42.25, 443, 49736, 49737 AMAZON-AESUS United States 16->41 43 192.168.2.1 unknown unknown 16->43 49 2 other IPs or domains 16->49 31 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 16->31 dropped 33 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 16->33 dropped 53 Tries to steal Mail credentials (via file access) 16->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->55 57 Installs a global keyboard hook 16->57 27 conhost.exe 21->27         started        45 nagano-19599.herokussl.com 23->45 47 api.ipify.org 23->47 59 Tries to harvest and steal ftp login credentials 23->59 61 Tries to harvest and steal browser information (history, passwords, etc) 23->61 29 conhost.exe 25->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-12-07 14:31:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
d657c278508c896eb401dd575052850c94a77280113f93d60f0e2c4584877e35
MD5 hash:
35e22eee2dee70ae284f8b2fa0b5861b
SHA1 hash:
1e075c1d5480add67e3b537fc0001953b4428e6f
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
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: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

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