MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ff6f9af892259d25d565b60ce55eb1123d6166ea2e26aab7da3c898947f5b99. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0ff6f9af892259d25d565b60ce55eb1123d6166ea2e26aab7da3c898947f5b99
SHA3-384 hash: 3e1afe120819da99e4d281c1d3499528b965c74e21e16fcdb3a4aede2ad647d83680ad89447ac87f2fd181ed6a6d1cb9
SHA1 hash: 51f909c6aa6fb3c394d3bfb500f6c9878c8af2f6
MD5 hash: 941611df01709ba22634fe6d79e3a0f1
humanhash: mobile-fruit-aspen-oregon
File name:Order-5130040874.rtf
Download: download sample
Signature Formbook
Create hunting rule
File size:222'666 bytes
First seen:2022-04-14 11:17:45 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/plain
ssdeep 1536:i6VGRyIs3WFCLPII9to/347lThdqdzFz76mAg5eeVhMDw5wfLU:i8PQM8dzFtr5RDAw5wfQ
TLSH T1F124E9B4684F0872D308DC1E25A8B645AE79FEE374C1557223AFE434CF9AAF29EC4541
Reporter abuse_ch
Tags:FormBook rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order-5130040874.rtf
Verdict:
No threats detected
Analysis date:
2022-04-14 20:07:42 UTC
Tags:
ole-embedded
Link:
https://app.any.run/tasks/0d4ae980-0837-4718-8bf6-c651305ab799

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR.SCRIPTLET.200421.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFSquiblyDooForeverYou.20210701.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Creating a window
DNS request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a process from a recently created file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/0ff6f9af892259d25d565b60ce55eb1123d6166ea2e26aab7da3c898947f5b99/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-0199 CVE-2017-8570 CVE-2017-8759 CVE-2018-8174 evasive exploit exploit packed powershell replace.exe update.exe wscript
Link:
https://www.filescan.io/uploads/6258032cffe27d5119cd77cf/reports/7cc90ae5-72cf-4ad3-b798-81b788465db9/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976859
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Document contains a stream with embedded javascript code
Document contains OLE streams with names of living off the land binaries
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found suspicious RTF objects
Injects a PE file into a foreign processes
Injects files into Windows application
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Microsoft Office creates scripting files
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office process drops PE file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
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
Tries to download and execute files (via powershell)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609349 Sample: Order-5130040874.rtf Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 47 www.svetmuza.com 154.221.172.120, 49175, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 2->47 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 25 other signatures 2->59 9 WINWORD.EXE 301 42 2->9         started        signatures3 process4 dnsIp5 49 wellcalls.com 212.193.30.19, 49173, 49174, 80 SPD-NETTR Russian Federation 9->49 39 C:\Users\user\AppData\...\Unstable[1].exe, PE32 9->39 dropped 41 C:\Users\user\AppData\...\abdtfhgYgeghDp .scT, data 9->41 dropped 43 C:\Users\user\AppData\Local\...\FC1F81C5.png, 370 9->43 dropped 67 Document exploit detected (creates forbidden files) 9->67 69 Suspicious powershell command line found 9->69 71 Tries to download and execute files (via powershell) 9->71 73 2 other signatures 9->73 14 powershell.exe 9->14         started        16 powershell.exe 12 7 9->16         started        21 powershell.exe 9->21         started        file6 signatures7 process8 dnsIp9 23 Unstable.exe 1 5 14->23         started        45 wellcalls.com 16->45 37 C:\Users\user\AppData\Roaming\Unstable.exe, PE32 16->37 dropped 51 Powershell drops PE file 16->51 26 Unstable.exe 16->26         started        28 Unstable.exe 21->28         started        file10 signatures11 process12 signatures13 61 Machine Learning detection for dropped file 23->61 63 Tries to detect virtualization through RDTSC time measurements 23->63 65 Injects a PE file into a foreign processes 23->65 30 Unstable.exe 23->30         started        33 Unstable.exe 26->33         started        35 Unstable.exe 28->35         started        process14 signatures15 75 Modifies the context of a thread in another process (thread injection) 35->75 77 Maps a DLL or memory area into another process 35->77 79 Queues an APC in another process (thread injection) 35->79
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0ff6f9af892259d25d565b60ce55eb1123d6166ea2e26aab7da3c898947f5b99/
Threat name:
Script.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 08:42:17 UTC
File Type:
Document
Extracted files:
15
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b73ptl4jejm5exkwlnqm4vplcer5mftoulrgvk35upejrfd7lomq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ce20 rat spyware stealer trojan
Link:
https://tria.ge/reports/220414-nd9q7sbhbr/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Formbook Payload
Formbook
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://wellcalls.com/Unstable.exe
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0ff6f9af8922/report/overview.html
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/0ff6f9af892259d25d565b60ce55eb1123d6166ea2e26aab7da3c898947f5b99

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_RTF_Exploit_Scripting
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 or CVE-2017-8570 weaponized RTF documents.
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Comments