MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963. 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 3 File information Comments 1

SHA256 hash: 4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963
SHA3-384 hash: 1653f2c857f425954bccc122e1d1098c6399b0c7abd0d6325ab892704d34b101183fe60c74ff14818fc7c44fb0416d4c
SHA1 hash: 630368518fb822a35700f490720632de2e1650fe
MD5 hash: d58a1ea878651914926bc2a48c2b853d
humanhash: diet-yankee-indigo-carolina
File name:d58a1ea878651914926bc2a48c2b853d
Download: download sample
Signature Formbook
File size:1'196'032 bytes
First seen:2021-11-15 21:17:58 UTC
Last seen:2021-11-15 22:54:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:M0En3Dk8VhMXYg+I84nQo6TzGWzRhB+Tw4:M08Nvg9Qo6TzzRT+Tw
Threatray 11'066 similar samples on MalwareBazaar
TLSH T1A4455B523A59CD11D16A727BCCDF40244BFCBC82BD93DB2A79AAB3BC542237608461DD
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer formbook obfuscated 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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
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
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 522337 Sample: u3x8gn8QcO Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 33 www.hottorchlighter.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 7 other signatures 2->47 11 u3x8gn8QcO.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\u3x8gn8QcO.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 u3x8gn8QcO.exe 11->15         started        18 u3x8gn8QcO.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 35 pxe1.host-food.ru 91.227.16.6, 49791, 80 EXIMIUS-ASRU Russian Federation 20->35 37 sukiller.com 45.38.148.208, 49814, 80 EGIHOSTINGUS United States 20->37 39 8 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-15 18:52:39 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:gnui loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hottorchlighter.com/gnui/
Unpacked files
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
06aaa93dbc6c815d2703dcdfa7fc3f2d66c422964d11ebf01522e25a8c6fc1c4
MD5 hash:
637b54f77889b571ea91731b7bb22eee
SHA1 hash:
7d4efa2276a6fc0d14d8b900858108c0969998a6
SH256 hash:
4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963
MD5 hash:
d58a1ea878651914926bc2a48c2b853d
SHA1 hash:
630368518fb822a35700f490720632de2e1650fe
Malware family:
XLoader
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-15 21:17:59 UTC

url : hxxps://weelove.fr/JW0R24WXLkzpA2H.exe