MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d8eca36ecff579ceffbd778ab8c8949a94d4967e1c0965988b2a68671f1915ef. 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
Formbook
Vendor detections: 11
| SHA256 hash: | d8eca36ecff579ceffbd778ab8c8949a94d4967e1c0965988b2a68671f1915ef |
|---|---|
| SHA3-384 hash: | 1c05900f223364eb5902b2cae0919b23bbdf8ec6c8432026193c88a8bbd95010dfaeba5b8f8fc17a01af476f9e74d973 |
| SHA1 hash: | 04c90f65aa86dc3a5e38a86ec9532187ac2b9ee4 |
| MD5 hash: | b7be85c98e0faa7600d829e1f8d383d1 |
| humanhash: | lactose-september-equal-gee |
| File name: | Factura de clients_0010002345.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 557'568 bytes |
| First seen: | 2020-10-16 10:23:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:1twW1yiPNTBmUpyNqIXWr2otILdrQFkjpaqyT:nw+yiPPhpyEIXWr2SCQe2 |
| Threatray | 2'491 similar samples on MalwareBazaar |
| TLSH | 8FC4E02663A89F69E13EA77624B550A057F5F142E722DA0F3FD413CC2862F414B73B1A |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: anacastillo.pw
Sending IP: 138.68.104.87
From: Administracion <info@anacastillo.pw>
Reply-To: duldi@duldi.com
Subject: Factura de Clients
Attachment: Factura de clients_0010002345.rar (contains "Factura de clients_0010002345.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-15 17:35:59 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'481 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fullyey.com/mye/
Unpacked files
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
a2bb9dcf209dd1524e7ec49268556925171bbec98960846a370f6b6fe1cdf49c
MD5 hash:
bd5295a40469b81aa204b7812364e52d
SHA1 hash:
7b04b75909987172ac8cd8b917e24fe45f2740be
SH256 hash:
ca72fbf712b3c2db6e071ee277b0d0d2faf187fb38b601cd2ad378f0d0c3eebb
MD5 hash:
f0416dc2d2c16fd62e3a68f051f71e42
SHA1 hash:
b79e5b1f870923aa1fccc188e67ac543be70c066
SH256 hash:
34522ce646c52c59a01d9403ea5459a8f5189d103d37ffbd02fc516e67e5e555
MD5 hash:
4392a850e700fd05212fa73c49982343
SHA1 hash:
a7ab2d2d2c7c0b3f27bdf9b91eeda94155f1c8cc
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
d8eca36ecff579ceffbd778ab8c8949a94d4967e1c0965988b2a68671f1915ef
MD5 hash:
b7be85c98e0faa7600d829e1f8d383d1
SHA1 hash:
04c90f65aa86dc3a5e38a86ec9532187ac2b9ee4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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