MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685
SHA3-384 hash: 3f246c70fda568f81dbf7834551f0712464d944a9eb8c7313221b2ba89cec2718b3b194a2e2947e48c6e4e167e9a5053
SHA1 hash: e2017f80a5ac8782e31f4c23e16d861afe5003e2
MD5 hash: 302af20334bad2c4c6d9c6fa86786c87
humanhash: video-speaker-papa-tennis
File name:302af20334bad2c4c6d9c6fa86786c87
Download: download sample
Signature Formbook
Create hunting rule
File size:364'961 bytes
First seen:2021-12-06 11:54:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiJmFAvto2+jUhZkh4ogvhZBXreqBTy+0kubpFkhZHSGZB:oFEtz1Xkbgvzxeu0k4QZFr
Threatray 12'225 similar samples on MalwareBazaar
TLSH T13574230B37E1A02AF263063209735B6CDBBBB75120127D1B4FF84E654B135A3D2596BB
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
302af20334bad2c4c6d9c6fa86786c87
Verdict:
Malicious activity
Analysis date:
2021-12-06 12:21:03 UTC
Tags:
installer
Link:
https://app.any.run/tasks/9e58d3e6-1f02-49a8-acac-70c960b2ef82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/211758/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1081/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61adfa1cfa72c81b5b0e4e40/reports/2a9d93f1-308a-44e8-8103-1842fbdf0a4b/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/54de81da-f6c0-4e1b-b441-60daab56986d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/902226
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 534701 Sample: Bw9DM4GH2n Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 34 www.bhalawat.com 2->34 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 3 other signatures 2->52 11 Bw9DM4GH2n.exe 17 2->11         started        signatures3 process4 dnsIp5 36 192.168.2.1 unknown unknown 11->36 32 C:\Users\user\AppData\Local\...\bekmpzab.dll, PE32 11->32 dropped 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 16 Bw9DM4GH2n.exe 11->16         started        file6 signatures7 process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 16->19 injected process10 process11 21 cmstp.exe 19->21         started        signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        26 explorer.exe 2 154 21->26         started        28 explorer.exe 59 21->28         started        process13 process14 30 conhost.exe 24->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2021-12-06 11:55:14 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5869ff09468b1aafa73c0a8fa15c953995495aa7144114003fdc4743860639ad
Formbook
5e39768c8fd6bb7644322000828b9bd1c34d25c3be1a9a712761ba834910fcf0
Formbook
727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5
Formbook
78bf20a97887ceb674ba6bbda37884a412be37dd320416d2222142c12f7de517
Formbook
7fb7251cf348d413059da050f27e4cd9a4f9ca833bbb11f554e19612d060a691
Formbook
a5a0ba62139ec5bfce38972515fe03f1e8d7aafeae6a1a8a555e3b09abe766df
Formbook
b1a9315bbe1d7fed90a33a02d205fa96993061c7fb391ec408180f2381db9318
Formbook
b3cee8c368d6505d02ba564d72c915341fc782bfa5feda3a1648e448623d6c21
Formbook
+ 12'215 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/211206-n3f57aggh4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.drmichaelirvine.com/yrcy/
Unpacked files
SH256 hash:
b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685
MD5 hash:
302af20334bad2c4c6d9c6fa86786c87
SHA1 hash:
e2017f80a5ac8782e31f4c23e16d861afe5003e2
Link:
https://www.unpac.me/results/ff8dd323-c811-4e9b-bb53-823749bd25f8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b19fd4dfc771/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
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 b19fd4dfc771a8d5f623d780c5e3f184072a267c37ec9b9c04b77cc2c341d685

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/211758/
  
URLhaus
https://urlhaus.abuse.ch/url/1858336/

Comments


Avatar
zbet commented on 2021-12-06 11:54:21 UTC

url : hxxp://103.167.92.57/re_cv_9088_6001/vbc.exe