MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f6701f9a60ff45478960afb898b4a0e06dea2fbd9820054083ccd81156bbacc. 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: 15


Intelligence 15 IOCs YARA File information Comments

SHA256 hash: 6f6701f9a60ff45478960afb898b4a0e06dea2fbd9820054083ccd81156bbacc
SHA3-384 hash: a85357f6b1ee74cbe96046d34b94da3b2fbe507264abb809b12d6dd8cfdfc93498dd09f4b7e608dcbb8c46874afe3f83
SHA1 hash: b3c33d26ad8e06f7aa961e8f5274d9ce1bac740f
MD5 hash: 51b5bb5ed552866a09cbc5c813347997
humanhash: wolfram-happy-missouri-kentucky
File name:NW Order Confirmation 220880.xlsx
Download: download sample
Signature Formbook
File size:358'400 bytes
First seen:2022-04-14 19:54:20 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 6144:R+zYKFjakwCbGNKmhFSjmQ7l2C3eCbVNWN/9MPg/R2pBzIUktKlDL4f:R6xNN7K1C31JNW9aBkUkEGf
TLSH T1A97422C07E256767E997A3FE3F2244A24637CD69E734312F7B22B6124639B24064F41E
Reporter abuse_ch
Tags:CVE-2018-0798 FormBook VelvetSweatshop 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
Detection: VelvetSweatshop

MalwareBazaar was able to identify 6 sections in this file using oledump:

Section IDSection sizeSection name
164 bytesDataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2112 bytesDataSpaces/DataSpaceMap
3208 bytesDataSpaces/TransformInfo/StrongEncryptionTransform/Primary
476 bytesDataSpaces/Version
5351352 bytesEncryptedPackage
6224 bytesEncryptionInfo

Intelligence


File Origin
# of uploads :
1
# of downloads :
406
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
NW Order Confirmation #220880.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 14:01:35 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan 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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe CVE-2018-0802 embedequation exploit keylogger replace.exe shellcode VelvetSweatshop
Label:
Malicious
Suspicious Score:
6.8/10
Score Malicious:
68%
Score Benign:
32%
Result
Verdict:
MALICIOUS
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Equation Editor Network Connection
Sigma detected: Execution from Suspicious Folder
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
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609631 Sample: NW Order Confirmation 220880.xlsx Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 14 other signatures 2->53 10 EQNEDT32.EXE 12 2->10         started        15 EXCEL.EXE 34 80 2->15         started        process3 dnsIp4 37 103.147.185.100, 49171, 49172, 49173 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 10->37 31 C:\Users\user\AppData\...\winlogo[1].exe, PE32 10->31 dropped 33 C:\Users\Public\vbc.exe, PE32 10->33 dropped 71 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->71 17 vbc.exe 11 10->17         started        35 C:\...\~$NW Order Confirmation 220880.xlsx, data 15->35 dropped file5 signatures6 process7 signatures8 39 Multi AV Scanner detection for dropped file 17->39 41 Writes to foreign memory regions 17->41 43 Allocates memory in foreign processes 17->43 45 2 other signatures 17->45 20 DpiScaling.exe 17->20         started        process9 signatures10 55 Modifies the context of a thread in another process (thread injection) 20->55 57 Maps a DLL or memory area into another process 20->57 59 Sample uses process hollowing technique 20->59 61 2 other signatures 20->61 23 explorer.exe 20->23 injected process11 signatures12 63 Uses ipconfig to lookup or modify the Windows network settings 23->63 26 ipconfig.exe 23->26         started        process13 signatures14 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67 69 Tries to detect virtualization through RDTSC time measurements 26->69 29 cmd.exe 26->29         started        process15
Threat name:
Document-OLE.Exploit.CVE-2018-0798
Status:
Malicious
First seen:
2022-04-14 19:55:08 UTC
File Type:
Document
Extracted files:
63
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b2a4 rat spyware stealer 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: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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