MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
SHA3-384 hash: d52dd96866044abf76bbfa6d87592a3942f3b22554fa980aac7dfcd7b8ff6909c9dcbd2967804c534e55d46ce2d4c580
SHA1 hash: 1f65560d44dfc42b43fa7b7c9531c555ad12c552
MD5 hash: 9b087019943fbcd5c15159ab82666c81
humanhash: robert-texas-mockingbird-august
File name:b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
Download: download sample
Signature Formbook
File size:185'856 bytes
First seen:2023-02-06 07:13:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:wMBQkmTYiXi0BT35B3Gixc6qzm3QHvC7YhK1f/irMOmdNdO:YIu75pGic6qzm3ovMY6fKrKdNd
TLSH T1C704AE32D601C431F2B251B4F6BD1B7B883E4E343295A4E6A7E116E16EE05A9F13931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
Verdict:
No threats detected
Analysis date:
2023-02-06 07:20:09 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
Searching for the window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
formbook 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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:
2023-02-06 07:14:21 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o12i rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
MD5 hash:
9b087019943fbcd5c15159ab82666c81
SHA1 hash:
1f65560d44dfc42b43fa7b7c9531c555ad12c552
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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 b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df

(this sample)

  
Delivery method
Distributed via e-mail attachment

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