MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f. 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 2 File information Comments
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SHA256 hash: d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f
SHA3-384 hash: b0fb0ea5df910c30a9c76c76cbd0b9b335a0cb05c61f94b1ce48b63ead5577e44d2d31c05428c298d4d02ed41f9cc753
SHA1 hash: b4f22b474c796fe40bb08787ebb2a5e503e6936c
MD5 hash: 65383c8ddea3200bf69bcc4acfc5522b
humanhash: nevada-nuts-asparagus-april
File name:RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:390'144 bytes
First seen:2022-01-27 06:37:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:HyYfO+Q45IX8LhyTaRZ3hYOmQGmNeGuooPpKCCzXNt6ZR7FF3IGA0jCrpTY8:ocfmQtsj5CzL6Z9FF3UGCV
Threatray 12'945 similar samples on MalwareBazaar
TLSH T16584E16861DAC66AF01F89F4127CF961027231E329C95A78071E2552CBEDF653F86B0F
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2022-01-27 06:51:15 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4303249d-073e-47cb-88bd-1fddf0313229

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/224105/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f23d9359d130b02a56c75c/reports/8ac5b47e-eabc-4458-aede-c3dad8285969/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc94da4a-4a4c-4142-9b03-b0dc1a999d6f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/928706
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 561181 Sample: RFQ.exe Startdate: 27/01/2022 Architecture: WINDOWS Score: 100 47 www.jdm-classics.com 2->47 49 jdm-classics.com 2->49 51 www.aeil.info 2->51 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 12 other signatures 2->65 11 RFQ.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\DhcwYWSZmJ.exe, PE32 11->39 dropped 41 C:\Users\...\DhcwYWSZmJ.exe:Zone.Identifier, ASCII 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmp6D9D.tmp, XML 11->43 dropped 45 C:\Users\user\AppData\Local\...\RFQ.exe.log, ASCII 11->45 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 11->71 73 Adds a directory exclusion to Windows Defender 11->73 75 Tries to detect virtualization through RDTSC time measurements 11->75 77 Injects a PE file into a foreign processes 11->77 15 RFQ.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 87 Modifies the context of a thread in another process (thread injection) 15->87 89 Maps a DLL or memory area into another process 15->89 91 Sample uses process hollowing technique 15->91 93 Queues an APC in another process (thread injection) 15->93 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 53 jdm-classics.com 15.197.142.173, 49789, 49794, 80 TANDEMUS United States 22->53 55 sweet-comforts.com 160.153.136.3, 49791, 80 GODADDY-AMSDE United States 22->55 57 8 other IPs or domains 22->57 67 System process connects to network (likely due to code injection or exploit) 22->67 69 Performs DNS queries to domains with low reputation 22->69 30 chkdsk.exe 22->30         started        33 autofmt.exe 22->33         started        signatures11 process12 signatures13 79 Self deletion via cmd delete 30->79 81 Modifies the context of a thread in another process (thread injection) 30->81 83 Maps a DLL or memory area into another process 30->83 85 Tries to detect virtualization through RDTSC time measurements 30->85 35 cmd.exe 1 30->35         started        process14 process15 37 conhost.exe 35->37         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-27 06:37:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2rjegbhalgrudm3n773h5t66dazbii3t2bzisvx5r35qpfcaanpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0450f9017a4e7556c6bbfa5e69363ed935e11fa47efff5755b172103b3b59892
Formbook
0be58a33d1ccbb74ef24592d2d16009bd56638aef6c294af7793e57588e04ef6
Formbook
10ff5c8bac827b012bc5b6f789e7c23913b662453cd0bcc7f3f5192260d7a950
Formbook
58fb47124bf49f4190852baec863af03f73216cbba65c7eaa527f6ec6612e42b
Formbook
81dc0dc902eb39bef1ff536e63644fac0d6aa928a200718185aaa21c137c7458
Formbook
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
Formbook
996cc6827a24a8d9ecce1b82269dbbfefd30142f72de61e723173422121c892d
Formbook
b4d5b93e0fcadfdffbaa261a8992cf3c5f9d5f4f49cebe85963b09d2bbaa225c
Formbook
dd4d4174a3dc3aa9f5ebff021eb9e561b6e22197d84d4611c6bd83c6cf9ac875
Formbook
e4999525a5626a76247a8f02a9e08c0ea35f13f717687b8a966cddb72f8adc6f
Formbook
+ 12'935 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:oms5 loader rat suricata
Link:
https://tria.ge/reports/220127-hdgsjaghfk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f267933c618caf2474f8366ae6962780d0b07dfe783499e34b7c1f8560bf2d77
MD5 hash:
a41a380e999d8fb946182afdfbcc7574
SHA1 hash:
0a0babeeea27536b532f9738c73aef6b56ef191b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f645e223-c82c-497f-9b2d-25bbe290acd2/
Parent samples :
719c2edea3c0aaa814d65c272598d8d64db5ac0d0cf0a9adb12fe7a0a1fc9f19
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f
3e317e0e4e62e0842ba4d1d52f8bd3e45a1b7a8e01e784771803d722dbfaf3a8
76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e
f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
Link:
https://www.unpac.me/results/f645e223-c82c-497f-9b2d-25bbe290acd2/
SH256 hash:
4c5a26307a027d0ddb1ffa97d4830ea650af97cd7e656b373ddf92cf41e556ea
MD5 hash:
fa76665d5afef6cfa89bab6b5c2ceb0a
SHA1 hash:
2d757f8580d1c484e945e03b6e60bf216f36e8fd
Link:
https://www.unpac.me/results/f645e223-c82c-497f-9b2d-25bbe290acd2/
SH256 hash:
d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f
MD5 hash:
65383c8ddea3200bf69bcc4acfc5522b
SHA1 hash:
b4f22b474c796fe40bb08787ebb2a5e503e6936c
Link:
https://www.unpac.me/results/f645e223-c82c-497f-9b2d-25bbe290acd2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f

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
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/224105/

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