MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117. 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 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117
SHA3-384 hash: 5d5b1b820bef5b860f477d7b56eb4c62a31f3919a88d0cda8e77eeeb090501581c38e03c0202a6d05ef06ca46acfabcd
SHA1 hash: 1f85673268160d356cc66056e18e721646a51034
MD5 hash: 51cd4ea4c20552f51824b13af3a93360
humanhash: mockingbird-colorado-mexico-bacon
File name:51cd4ea4c20552f51824b13af3a93360
Download: download sample
Signature Formbook
Create hunting rule
File size:867'328 bytes
First seen:2021-10-21 09:56:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3ffe5a9a24da83fb277b548d938597c8 (5 x Formbook, 3 x RemcosRAT, 1 x BitRAT)
ssdeep 12288:rHPNFplQQTfQAEpHxdE3Jc9AYPeyqY99j9gqmfGVIJB7B:Lx+OkpHxdKJc4yp99j9gvwIJd
Threatray 9'003 similar samples on MalwareBazaar
TLSH T101059E63BAF4813DE07FD871988BD9A84E7778E03927648BD9C82D189D7434079291EF
File icon (PE):PE icon
dhash icon fedcbb4d750f4c4c (9 x Formbook, 5 x RemcosRAT, 2 x NetWire)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199035/
Detection(s):
SecuriteInfo.com.generic.ml.1318.16823.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/617139709a5a1e91c5cb06d4/reports/fccc61db-dd31-4239-8f72-73c1b0a28578/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62ae423c-804e-474d-8773-e9f965eaf974
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874469
Signature
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Sigma detected: Suspicious Svchost Process
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 506896 Sample: 2FNlQLySZS Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 57 www.linkinsense.net 2->57 91 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 8 other signatures 2->97 10 2FNlQLySZS.exe 1 21 2->10         started        signatures3 process4 dnsIp5 77 p0c2ma.by.files.1drv.com 10->77 79 onedrive.live.com 10->79 81 by-files.fe.1drv.com 10->81 55 C:\Users\Public\Qhscwo.exe, PE32 10->55 dropped 115 Drops PE files to the user root directory 10->115 117 Writes to foreign memory regions 10->117 119 Creates a thread in another existing process (thread injection) 10->119 121 Injects a PE file into a foreign processes 10->121 15 DpiScaling.exe 10->15         started        18 cmd.exe 1 10->18         started        20 cmd.exe 1 10->20         started        file6 signatures7 process8 signatures9 123 Modifies the context of a thread in another process (thread injection) 15->123 125 Maps a DLL or memory area into another process 15->125 127 Sample uses process hollowing technique 15->127 129 2 other signatures 15->129 22 explorer.exe 2 15->22 injected 26 reg.exe 1 18->26         started        28 conhost.exe 18->28         started        30 cmd.exe 1 20->30         started        32 conhost.exe 20->32         started        process10 dnsIp11 71 www.rewoodlovro.quest 37.123.118.150, 49852, 80 UK2NET-ASGB United Kingdom 22->71 73 www.schoolx.space 185.215.4.14, 49863, 80 TVHORADADAES Denmark 22->73 75 25 other IPs or domains 22->75 113 System process connects to network (likely due to code injection or exploit) 22->113 34 Qhscwo.exe 15 22->34         started        38 Qhscwo.exe 15 22->38         started        40 rundll32.exe 22->40         started        46 2 other processes 22->46 42 conhost.exe 26->42         started        44 conhost.exe 30->44         started        signatures12 process13 dnsIp14 59 p0c2ma.by.files.1drv.com 34->59 61 onedrive.live.com 34->61 63 by-files.fe.1drv.com 34->63 99 Multi AV Scanner detection for dropped file 34->99 101 Writes to foreign memory regions 34->101 103 Creates a thread in another existing process (thread injection) 34->103 48 secinit.exe 34->48         started        65 p0c2ma.by.files.1drv.com 38->65 67 onedrive.live.com 38->67 69 by-files.fe.1drv.com 38->69 105 Injects a PE file into a foreign processes 38->105 51 mobsync.exe 38->51         started        107 Modifies the context of a thread in another process (thread injection) 40->107 109 Maps a DLL or memory area into another process 40->109 111 Tries to detect virtualization through RDTSC time measurements 40->111 53 cmd.exe 1 40->53         started        signatures15 process16 signatures17 83 Tries to detect virtualization through RDTSC time measurements 48->83 85 Modifies the context of a thread in another process (thread injection) 51->85 87 Maps a DLL or memory area into another process 51->87 89 Sample uses process hollowing technique 51->89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117/
Threat name:
Win32.Downloader.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 17:20:50 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rep7srd55qqqwwexbadgnobidvzyoidmctn2owdumxqwxuxpuelq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
26506e7d3f4821066fc1989a5c79afb4d1a316aa428f9e4a920644d93a80b495
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
700c8d2a1ebc0994ccd09f93acadb4806ed3554cdef24c8e9ef0b3801646bbde
Formbook
8fb0895d475560584335f48db057beb1840bbf685f180f46c53eb8aa8d8ec676
Formbook
99a52f15cbd0ceb13b15070bbbab2eee59974d15e8d4aaed562b015d888294c5
Formbook
9c558e9f026119bab2580c1e38533870d351b1e01e65341427194504e2cdf490
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
fbaf103427e20432a3dcf19733b5f447bb6f0b2e5c700c76df55c2d977d080ae
Formbook
ff577215d4aaa29ae63860167282ceeb0a703daadfdaef2155102500c269caa2
Formbook
+ 8'993 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sb6n loader persistence rat suricata
Link:
https://tria.ge/reports/211021-lyxk9sahgp/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.best5amazon.com/sb6n/
Unpacked files
SH256 hash:
651d2f39c341c86341babbf45e367c1fe183f49348f3816f91920e08ed057d2a
MD5 hash:
100b966ad7ecd1ba763f069d4f1c27d6
SHA1 hash:
630ce76fda48fa229e41cf3e5b70f21af8288af0
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/2c0a392f-4453-4bf7-bf25-002e3ae4b3af/
Parent samples :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 hash:
891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117
MD5 hash:
51cd4ea4c20552f51824b13af3a93360
SHA1 hash:
1f85673268160d356cc66056e18e721646a51034
Link:
https://www.unpac.me/results/2c0a392f-4453-4bf7-bf25-002e3ae4b3af/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/891ff9447dec/report/overview.html
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: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

File information

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

Web download

Formbook

Executable exe 891ff9447dec210b5897080666b8281d7387206c14dba7587465e16bd2efa117

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1704707/
Cape
Cape
https://www.capesandbox.com/analysis/199035/

Comments


Avatar
zbet commented on 2021-10-21 09:56:36 UTC

url : hxxp://198.46.199.161/005005/vbc.exe