MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
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SHA256 hash: 9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2
SHA3-384 hash: b82d495226aed76aead6d009ed050474260deb6005d3a047ea69ed65f94e8ae4a6adf6c23c2295418397d48d418df8ed
SHA1 hash: 5eb13661bb2a44a79fae4245931ef26260ff3fc8
MD5 hash: a0514e77ec286fd5a87786c8f2298498
humanhash: river-spring-twenty-delaware
File name:BS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:217'728 bytes
First seen:2021-05-31 06:03:47 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:cQq2q4E4Y0UiWfO617qDMyhVe+x+OW/6YT/J:PqGYlOZDRe+x+O+/J
Threatray 5'544 similar samples on MalwareBazaar
TLSH FE24126A37C558E7D9CB0570B1BB5E6AEAFFD3482122341F6B180F7A1D220C2D511E9B
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BS.exe
Verdict:
Malicious activity
Analysis date:
2021-05-31 06:06:38 UTC
Tags:
installer
Link:
https://app.any.run/tasks/cdb444ea-4076-464b-b324-79245f80fc3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/163325/
Detection(s):
Win.Trojan.Generic-9865413-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794479
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found 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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 426875 Sample: BS.exe Startdate: 31/05/2021 Architecture: WINDOWS Score: 100 31 www.tratamentoparaquedadecabelo.com 2->31 33 www.django-sports.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 4 other signatures 2->47 11 BS.exe 20 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 BS.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.mailtekpro.com 103.226.228.233, 49769, 80 SOFTLAYERUS India 18->35 37 www.free-channel.info 183.181.98.81, 49773, 80 SAKURA-CSAKURAInternetIncJP Japan 18->37 39 24 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 systray.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2/
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2021-05-27 10:36:08 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=saa5oxynbme26aj7yzmzfz2njnli2ftmuwbx6g7vemlbooz7gdja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14854d1ce96dcc9795941ec7248f8d2481d5649cdeecaccbfe840f259bc50bde
Formbook
489e0e46a5df58a3144cd7a3ecb1fd0e29aa2db5060084ec774f1d2c8c763fd9
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
4ab9d09d0ffc49408cb40fe30791e2dbe7d6ea5cec1d44d509c0032b7b0322c5
Formbook
6a708470ee13d86b51352b69e755a9bcbd2730ecef34133dd1b5ed10b95f56a3
Formbook
8412907b0441a1695b45e1de5e7b446d28ab00f6da416bdb2575f51eb60e9647
Formbook
a18c72dd002da72c81258cf4e85a7a013233d16556472d78cd84d984e74edd6b
Formbook
f43b323ae6be7b7945d58fcab72ae3c66ef552b8584063def9d2415d08573c8a
Formbook
f5a2547fc06aeb5416ee308668f2091e0e21c07b57aa6f4e5db47e06e6899a73
Formbook
f782375e80f3a68b36457886ac1c6490e2497e6c9fb3ffdb33c1679597f0770e
Formbook
+ 5'534 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210531-kew7fnkp52/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.gmjewelryy.com/kmb0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2

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_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

Executable exe 9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/163325/

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