MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 669785b03c7a0279a17e6ce7decb2a7dd19953dacf9ffe033211236274b2165e. 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 3 File information Comments

SHA256 hash: 669785b03c7a0279a17e6ce7decb2a7dd19953dacf9ffe033211236274b2165e
SHA3-384 hash: 54ee8deb2d0b9a1690f612bc972388b6c8b043bead7d4e710ce9b4ba5049eeddb6673049a6f2c29177aad86fa84a97fe
SHA1 hash: 8d1580d6404f48d2fb883d5d80012dfa26c78c59
MD5 hash: 941c74996c15ce27013b11268c01c7d8
humanhash: wolfram-black-juliet-vermont
File name:RFQ#0098.exe
Download: download sample
Signature Formbook
File size:776'192 bytes
First seen:2021-08-10 19:17:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mPz0fHK7zm5YH7hTInMQc7ouUKcqDdja/gtRIWq+XG3/3p9D8:KzDq5YH79InMQcDVdqtL
Threatray 4'505 similar samples on MalwareBazaar
TLSH T1F9F4022236A09741E03D17F8446BE1057BF5AD08A743E62D6C89F5AE9ABF58DC772303
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#0098.exe
Verdict:
Malicious activity
Analysis date:
2021-08-10 19:18:02 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
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
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 462916 Sample: RFQ#0098.exe Startdate: 10/08/2021 Architecture: WINDOWS Score: 100 41 www.77k6tgikpbs39.net 2->41 43 clientconfig.passport.net 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 11 RFQ#0098.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\pUitIXGzzH.exe, PE32 11->33 dropped 35 C:\Users\...\pUitIXGzzH.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp4B97.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\RFQ#0098.exe.log, ASCII 11->39 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 RFQ#0098.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.5fashionfix.net 199.34.228.189, 49723, 80 WEEBLYUS United States 20->45 47 www.atelierbond.com 163.44.185.226, 49731, 80 INTERQGMOInternetIncJP Japan 20->47 49 13 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 wlanext.exe 20->26         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-08-10 16:27:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 27 (66.67%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n8ba loader rat suricata
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.narrowpathwc.com/n8ba/
Unpacked files
SH256 hash:
d7bc3c28ccdcfd5650eb6e976b871d0309362369ba9369986f42d7152e9ad6ec
MD5 hash:
a956848bce3821ceb9f47ad275614b1f
SHA1 hash:
93c41d1c0d41b5e38321cbca9c8e7e8e1d42ac81
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
SH256 hash:
669785b03c7a0279a17e6ce7decb2a7dd19953dacf9ffe033211236274b2165e
MD5 hash:
941c74996c15ce27013b11268c01c7d8
SHA1 hash:
8d1580d6404f48d2fb883d5d80012dfa26c78c59
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.

  
Delivery method
Other

Comments