MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5750f0a05c92bfe3323fb9e1e3c316a44e01338b9e2f02f4099424c3e37bc8cc. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 5750f0a05c92bfe3323fb9e1e3c316a44e01338b9e2f02f4099424c3e37bc8cc
SHA3-384 hash: bc52f7447093bc75b0c1068c2b35ab554417c4a31b9d38209d92be870e50b89521f791c692000b96377de05106c20103
SHA1 hash: 35efb5dec83f1a802b05c6d8f6a1046a4dc9c14e
MD5 hash: 75148a48554bf658b5bca72fd77b69ed
humanhash: sierra-sink-pizza-undress
File name:ROCA 4501226854,pdf.exe
Download: download sample
Signature Formbook
File size:679'936 bytes
First seen:2022-02-03 12:02:40 UTC
Last seen:2022-02-06 14:44:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ELGSDInWnA0+rjumRpcasoOnkk34kr5oR9FMBh+OQhNOi:K4u75VE
Threatray 13'065 similar samples on MalwareBazaar
TLSH T11EE4CD2A38BA100DB2719D6C6BBCB1B6911EF7F226365CBB0DF7050611129F0DB9D627
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ROCA 4501226854,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-02-03 12:07:09 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-03 12:03:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:c0a7 loader persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Sets service image path in registry
Xloader Payload
Xloader
Unpacked files
SH256 hash:
238b0eb59527f6d14264ef951711300d8f89ee1bfb1147b3f8ce920a6a322b73
MD5 hash:
4c7f79558918e152d4d543b1253943d8
SHA1 hash:
e3896cb358fb3ffe4c727ed2032885ed11738d56
SH256 hash:
5750f0a05c92bfe3323fb9e1e3c316a44e01338b9e2f02f4099424c3e37bc8cc
MD5 hash:
75148a48554bf658b5bca72fd77b69ed
SHA1 hash:
35efb5dec83f1a802b05c6d8f6a1046a4dc9c14e
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 5750f0a05c92bfe3323fb9e1e3c316a44e01338b9e2f02f4099424c3e37bc8cc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments