MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39fe9e87b9c5b0dc38342083c826c1b4b41905e827b426c103f021e87c73d02e. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 39fe9e87b9c5b0dc38342083c826c1b4b41905e827b426c103f021e87c73d02e
SHA3-384 hash: 95fe0e4213a08747e077a920abdf0144c7744f0624074ba1af8e18e2be9829704e4d20d9ef6dea96dd90afa5a7a437d2
SHA1 hash: 2e13297d2f2700b265c71d01d2cd4b8c92c7544b
MD5 hash: 25dc349369d0035c5ed1fff3cd896e76
humanhash: solar-don-don-snake
File name:Quote 09052022_1.xlsx
Download: download sample
Signature Formbook
File size:1'406'670 bytes
First seen:2025-03-11 13:03:00 UTC
Last seen:2025-03-12 14:17:24 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 24576:6Uxhj3puBq6nQxhgAP9VLfOYRSk0fyPC1t17bbqmN6XZlc36l+U9N:1nzpanQxeAP9VLfUpRbbqmgC6lZ9N
TLSH T1E7553303CFB8CA362D812CF025C74B31516989F4DD4E816E6964DB7FA52E908D3AF68C
TrID 61.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
31.5% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.2% (.ZIP) ZIP compressed archive (4000/1)
Magika xlsx
Reporter TeamDreier
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 IDSection sizeSection name
A11623998 bytesOLe10NAtIVe
A20 bytesLJu6

Intelligence


File Origin
# of uploads :
12
# of downloads :
4'015
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote 09052022_1.xlsx
Verdict:
No threats detected
Analysis date:
2025-03-11 13:05:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
90.2%
Tags:
office micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Unauthorized injection to a system process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit embedequation exploit fingerprint keylogger packed shellcode
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Result
Verdict:
MALICIOUS
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2025-03-11 06:54:18 UTC
File Type:
Document
Extracted files:
16
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unc_loader_036
Similar samples:
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
exploit
YARA:
INDICATOR_OLE_EXPLOIT_CVE_2017_11882_1
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:Suspicious_Latam_MSI_and_ZIP_Files
Author:eremit4, P4nd3m1cb0y
Description:Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Excel file xlsx 39fe9e87b9c5b0dc38342083c826c1b4b41905e827b426c103f021e87c73d02e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments