MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c44528fe1445378e49e0319e5ccb83e586c82d2c98c03c7c7fde50adc159b29. 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


Maldoc score: 4


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 7c44528fe1445378e49e0319e5ccb83e586c82d2c98c03c7c7fde50adc159b29
SHA3-384 hash: 32ab6fcfff6b376aef2ba8e589f9dc73f0973c7a7fcbfda222ae0f74cc85b2a796d30d5420988726d7616f22c92c4ab2
SHA1 hash: 1d2dfa6ab82172c0b84527bbc7a07c55f8c55d2c
MD5 hash: a13b6304edf83b33c97ee085fe417c93
humanhash: johnny-south-uncle-pennsylvania
File name:SecuriteInfo.com.Win32.SuspectCrc.23106.21095
Download: download sample
Signature Formbook
File size:423'424 bytes
First seen:2024-09-22 05:25:19 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 12288:SvGwqWr6OZAvvscz07zV5qS1jaq8vrNxWvWTuoI2zkGuZJh:PwHC0DqTDN0OyoI2zkz
TLSH T1569412A13A978B27D6AB0D754AC0C1DF5D11FC01BF448B0F3099338F953AF466A72565
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter SecuriteInfoCom
Tags:cve-2017-0199 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 id
Maldoc score: 4
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD00030CEC/CompObj
517318 bytesMBD00030CEC/Package
6810 bytesMBD00030CED/Ole
7388449 bytesWorkbook
8519 bytes_VBA_PROJECT_CUR/PROJECT
9104 bytes_VBA_PROJECT_CUR/PROJECTwm
10977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
11977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
12977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
13985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
142644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15553 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
735
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://bazaar.abuse.ch/download/7c44528fe1445378e49e0319e5ccb83e586c82d2c98c03c7c7fde50adc159b29/
Verdict:
No threats detected
Analysis date:
2024-09-22 05:37:30 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/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
99.1%
Tags:
Generic Infostealer Office Heur Monitor Macro
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://topkale.me/D77PdX
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Found direct / indirect Syscall (likely to bypass EDR)
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
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office drops RTF file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
Queues an APC in another process (thread injection)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515302 Sample: SecuriteInfo.com.Win32.Susp... Startdate: 22/09/2024 Architecture: WINDOWS Score: 100 58 topkale.me 2->58 84 Multi AV Scanner detection for domain / URL 2->84 86 Suricata IDS alerts for network traffic 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 17 other signatures 2->90 11 EXCEL.EXE 31 27 2->11         started        signatures3 process4 dnsIp5 70 104.243.38.54, 49162, 49169, 49170 RELIABLESITEUS United States 11->70 72 topkale.me 188.114.97.3, 443, 49161, 49163 CLOUDFLARENETUS European Union 11->72 54 ~$SecuriteInfo.com...rc.23106.21095.xlsx, data 11->54 dropped 56 wecreatednewthings...lovetoseeyou[1].doc, Rich 11->56 dropped 15 audiodg.exe 1 11->15         started        18 WINWORD.EXE 348 31 11->18         started        file6 process7 dnsIp8 104 Multi AV Scanner detection for dropped file 15->104 106 Machine Learning detection for dropped file 15->106 108 Writes to foreign memory regions 15->108 116 2 other signatures 15->116 22 svchost.exe 15->22         started        60 topkale.me 18->60 62 188.114.96.3, 443, 49164 CLOUDFLARENETUS European Union 18->62 44 C:\Users\user\AppData\...\topkale.me.url, MS 18->44 dropped 46 C:\Users\user\AppData\Roaming\...\D77PdX.url, MS 18->46 dropped 48 C:\Users\user\AppData\Local\...\80E9BD8E.doc, Rich 18->48 dropped 110 Microsoft Office launches external ms-search protocol handler (WebDAV) 18->110 112 Office viewer loads remote template 18->112 114 Microsoft Office drops suspicious files 18->114 25 EQNEDT32.EXE 12 18->25         started        file9 signatures10 process11 file12 94 Maps a DLL or memory area into another process 22->94 28 tTFNAhmaQM.exe 22->28 injected 50 C:\Users\user\AppData\Roaming\audiodg.exe, PE32 25->50 dropped 52 C:\Users\user\AppData\...\audiodg[1].exe, PE32 25->52 dropped 96 Office equation editor establishes network connection 25->96 98 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 25->98 signatures13 process14 signatures15 100 Maps a DLL or memory area into another process 28->100 102 Found direct / indirect Syscall (likely to bypass EDR) 28->102 31 netbtugc.exe 1 20 28->31         started        process16 dnsIp17 74 www.sqlite.org 45.33.6.223, 49172, 80 LINODE-APLinodeLLCUS United States 31->74 42 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32 31->42 dropped 76 Tries to steal Mail credentials (via file / registry access) 31->76 78 Tries to harvest and steal browser information (history, passwords, etc) 31->78 80 Maps a DLL or memory area into another process 31->80 82 Queues an APC in another process (thread injection) 31->82 36 tTFNAhmaQM.exe 31->36 injected 40 firefox.exe 31->40         started        file18 signatures19 process20 dnsIp21 64 www.3xfootball.com 154.215.72.110, 49171, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 36->64 66 www.goldenjade-travel.com 116.50.37.244, 49173, 49174, 49175 DONGFONG-TWDongFongTechnologyCoLtdTW Taiwan; Republic of China (ROC) 36->66 68 5 other IPs or domains 36->68 92 Found direct / indirect Syscall (likely to bypass EDR) 36->92 signatures22
Threat name:
Document-Office.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-09-21 05:38:14 UTC
File Type:
Document
Extracted files:
29
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unknown_loader_036 formbook admintool_powerrun
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery stealer
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 AdjustPrivilegeToken
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
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.

File information


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

Comments