MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5287a458eafaf621201ab6b5c6e966ee2b0dc02fa2b50b91bf537bbe023e74c. 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 2 File information Comments

SHA256 hash: e5287a458eafaf621201ab6b5c6e966ee2b0dc02fa2b50b91bf537bbe023e74c
SHA3-384 hash: 285e0e9fded7071ee403b4ab7eaf6d7eb94012e0e6298a3bf7b0dcfc1728c1a3461fa3dc916d9c8e9f89990d15799ee4
SHA1 hash: cf0efdb22134590b978dd36a676c3b19c03412a8
MD5 hash: 717cac6b3a280dcbc8ddb111de4ddb32
humanhash: california-bluebird-purple-artist
File name:zcf.exe
Download: download sample
Signature AgentTesla
File size:987'648 bytes
First seen:2020-12-07 15:02:03 UTC
Last seen:2020-12-07 16:51:55 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 24576:ohWST0sDdYLgxtdznbjCtAzyKnJNaKoc7:+TT0AdLzn3xy0uM
Threatray 1'709 similar samples on MalwareBazaar
TLSH 58258E359B982B3DF53A9B7C89A02054A7EDA753E31BCD5D3CF601CA1723F0289D152A
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
zcf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 15:04:22 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
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 strings
Contains functionality to register a low level keyboard hook
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: 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 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 signatures2 2 Behavior Graph ID: 327569 Sample: zcf.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 28 Multi AV Scanner detection for dropped file 2->28 30 Sigma detected: Scheduled temp file as task from temp location 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 7 other signatures 2->34 7 zcf.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\...\vbhhAleLHpbNx.exe, PE32 7->20 dropped 22 C:\...\vbhhAleLHpbNx.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\Temp\tmp383.tmp, XML 7->24 dropped 26 C:\Users\user\AppData\Local\...\zcf.exe.log, ASCII 7->26 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->38 40 Contains functionality to register a low level keyboard hook 7->40 42 Injects a PE file into a foreign processes 7->42 11 zcf.exe 2 7->11         started        14 schtasks.exe 1 7->14         started        16 zcf.exe 7->16         started        signatures5 process6 signatures7 44 Tries to steal Mail credentials (via file access) 11->44 46 Tries to harvest and steal browser information (history, passwords, etc) 11->46 48 Installs a global keyboard hook 11->48 18 conhost.exe 14->18         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-07 15:01:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
SH256 hash:
e5287a458eafaf621201ab6b5c6e966ee2b0dc02fa2b50b91bf537bbe023e74c
MD5 hash:
717cac6b3a280dcbc8ddb111de4ddb32
SHA1 hash:
cf0efdb22134590b978dd36a676c3b19c03412a8
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

Comments