MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 343513fbd6880d9eb987e5115dc5b3b44dc455635d22c7c1dba38e7bd6beadf1. 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: 14
| SHA256 hash: | 343513fbd6880d9eb987e5115dc5b3b44dc455635d22c7c1dba38e7bd6beadf1 |
|---|---|
| SHA3-384 hash: | 74363b159013843c6a3f9ea2bffa1dcf04fed273e008e629fbceb9b090201df5c1ebe0396179bc03c4a2561300b36730 |
| SHA1 hash: | 50833c2119629f2c305dfe9332ddb7dbe97e4d2e |
| MD5 hash: | 02642fc503992ccf83d70ae8d856f2dc |
| humanhash: | ceiling-golf-single-river |
| File name: | RFQ-FJ59164.xlsx |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'588'805 bytes |
| First seen: | 2022-04-14 07:44:58 UTC |
| Last seen: | 2022-04-17 19:53:31 UTC |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 24576:cwbXVl47fR+l/WekMEwn9+NKIWH+Gq6ukffgP8yjtzRjFlSFutR+erf4M6zs6EML:cwJlq5cNnGW1q6uKIdjJ+S3gMC/ |
| TLSH | T1537533166D8262488A00F3386217BEF6E396558A5227F32E5DB0E5C01E25787393FDF7 |
| Reporter |  madjack_red |
| Tags: | CVE-2017-11882 FormBook xlsx |
Office OLE Information
This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 1795294 bytes | Ole10Native |
| A2 | 0 bytes | aAos2 |
Intelligence
File Origin
# of uploads :
3
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ-FJ59164.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 07:52:29 UTC
Tags:
trojan exploit CVE-2017-11882 loader formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Verdict:
MALICIOUS
Link:
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-04-13 12:39:03 UTC
File Type:
Document
Extracted files:
16
AV detection:
23 of 41 (56.10%)
Threat level:
5/5
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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