MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b7bb6c93f6d178052cd2694b75e5bc45338d336d7b95a746707d8bdaf90348. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 82b7bb6c93f6d178052cd2694b75e5bc45338d336d7b95a746707d8bdaf90348
SHA3-384 hash: 7e3993b08fb284e276d4a4d6319257bef1a1ecb8f268b625e680f90ae5e0ba9a60276a55a60c4239b20724389627651e
SHA1 hash: 2a062fbf9988f3e4b4f29ceaed6b4d5a46f41700
MD5 hash: 8c342749c931899e74cd499d479a879e
humanhash: cup-william-vermont-oscar
File name:8c342749c931899e74cd499d479a879e.exe
Download: download sample
Signature Formbook
File size:175'616 bytes
First seen:2022-07-29 14:48:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:E1k8zmYVB4pT3tosWlHs5QULdGSNXLpHiRwPbmoz75xENLeX3:E1V4noLs5EmXLpHiuPbmo35xsL
TLSH T13D049E36E641C070E2B252F5B2790B7B883E1D34335460A9E3E21AE16EB05E5B96D31F
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
425
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook overlay packed
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-29 14:49:06 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:uu0p rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
82b7bb6c93f6d178052cd2694b75e5bc45338d336d7b95a746707d8bdaf90348
MD5 hash:
8c342749c931899e74cd499d479a879e
SHA1 hash:
2a062fbf9988f3e4b4f29ceaed6b4d5a46f41700
Detections:
win_formbook_g0 win_formbook_auto XLoader
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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.

Web download

Formbook

Executable exe 82b7bb6c93f6d178052cd2694b75e5bc45338d336d7b95a746707d8bdaf90348

(this sample)

  
Delivery method
Distributed via web download

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