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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe. 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: 5


Intelligence 5 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe
SHA3-384 hash: 3d28f58061a6c263addc57cd4b73965d97e615e38b858540a7551d69a0db3de86ea950aa948736f7c760a773f1bb8914
SHA1 hash: 46ddb3fa250dfb4808c3a43f7846d7c643a4f325
MD5 hash: 30244581b41accd77dab936571e0d87e
humanhash: apart-sweet-nitrogen-alaska
File name:VOMAXTRADING.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:1'677'719 bytes
First seen:2020-11-26 07:19:29 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:8eqGjcemPSHjVfwQVPx830KDxaeb7uL4RUYspUNt9DzSae7TTyCACNy9r9JK3E3t:W
TLSH 7275BFB876047DE6266F576BDA96ACDC13B617238ACBA4CD80A4B7C30563375FE02C05
Reporter cocaman
Tags:CVE-2017-11882 doc FormBook


Avatar
cocaman
Malicious email (T1566.001)
From: "kizit@facetohen.ga" (likely spoofed)
Received: "from mail.facetohen.ga (unknown [5.8.93.146]) "
Date: "Thu, 26 Nov 2020 02:06:51 -0500"
Subject: "RE: FW: SIGNED PURCHASE ORDER"
Attachment: "VOMAXTRADING.doc"

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/547848
Signature
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 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)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 323039 Sample: VOMAXTRADING.doc Startdate: 26/11/2020 Architecture: WINDOWS Score: 100 50 www.akasyaofistasima.com 2->50 52 akasyaofistasima.com 2->52 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 7 other signatures 2->68 11 EQNEDT32.EXE 11 2->11         started        16 WINWORD.EXE 336 20 2->16         started        18 EQNEDT32.EXE 2->18         started        signatures3 process4 dnsIp5 54 sea-shared-5.masterns.com 104.168.198.45, 49167, 80 HOSTWINDSUS United States 11->54 46 C:\Users\user\AppData\...\skypound83892.exe, PE32 11->46 dropped 48 C:\Users\user\AppData\...\skypoundx[1].exe, PE32 11->48 dropped 86 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->86 20 skypound83892.exe 2 7 11->20         started        file6 signatures7 process8 file9 44 C:\Users\user\AppData\Roaming\...\firefos.exe, PE32 20->44 dropped 70 Machine Learning detection for dropped file 20->70 72 Tries to detect virtualization through RDTSC time measurements 20->72 74 Injects a PE file into a foreign processes 20->74 24 skypound83892.exe 20->24         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 24->76 78 Maps a DLL or memory area into another process 24->78 80 Sample uses process hollowing technique 24->80 82 Queues an APC in another process (thread injection) 24->82 27 explorer.exe 3 24->27 injected process13 dnsIp14 56 mycapecrusade.com 34.102.136.180, 49170, 80 GOOGLEUS United States 27->56 58 www.opel-occasions-ales.com 50.117.11.156, 49168, 80 EGIHOSTINGUS United States 27->58 60 4 other IPs or domains 27->60 84 System process connects to network (likely due to code injection or exploit) 27->84 31 NAPSTAT.EXE 27->31         started        34 firefos.exe 27->34         started        36 firefos.exe 27->36         started        signatures15 process16 signatures17 88 Modifies the context of a thread in another process (thread injection) 31->88 90 Maps a DLL or memory area into another process 31->90 92 Tries to detect virtualization through RDTSC time measurements 31->92 38 cmd.exe 31->38         started        94 Injects a PE file into a foreign processes 34->94 40 firefos.exe 34->40         started        42 firefos.exe 36->42         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-26 07:20:07 UTC
File Type:
Document
Extracted files:
4
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201126-7ym4vd7kvs/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.runwithit.media/bu43/
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.

Malspam

Formbook

Word file doc 2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments