MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6
SHA3-384 hash: b0c8ce8ac165c0cccaa0c1deb2525e631d18ead551756e8391269354547a8ac1ab95015406f30b2e80e9058a1ea9947b
SHA1 hash: 7954ccb7edaa00714f3f791ba48983bdc8048037
MD5 hash: 0f3ad8b37553c60914e62e1c274e8e26
humanhash: green-bravo-oregon-pennsylvania
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'100'288 bytes
First seen:2021-08-14 15:18:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:gwumX/w2iNgSFRSCSabatHlWlF2yJyENKus3oYf2xo/mn:vw1WSDDGyJygKusZgoO
Threatray 4'923 similar samples on MalwareBazaar
TLSH T13635B43D19B92627D0BAC365CBE18817B1909CAF7211FD98A8D663660363F5375C323E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-08-14 15:19:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/22dc66b2-536a-4c98-9296-a2020b6b06e0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/179257/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/919bbe27-d148-41c4-9cb2-1b1d2d9a5c9f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832937
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 465365 Sample: invoice.exe Startdate: 14/08/2021 Architecture: WINDOWS Score: 100 41 www.amedesignstudio.com 2->41 43 www.diaobi.net 2->43 45 ext-sq.squarespace.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 11 invoice.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\vqztEKkUch.exe, PE32 11->33 dropped 35 C:\Users\...\vqztEKkUch.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpBA0E.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\invoice.exe.log, ASCII 11->39 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 11->69 71 Writes to foreign memory regions 11->71 73 Injects a PE file into a foreign processes 11->73 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 2 other signatures 15->81 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 47 digontorekha.com 192.185.129.39, 49732, 80 UNIFIEDLAYER-AS-1US United States 20->47 49 www.ysainasen.com 104.21.39.101, 49747, 80 CLOUDFLARENETUS United States 20->49 51 12 other IPs or domains 20->51 61 System process connects to network (likely due to code injection or exploit) 20->61 26 cmmon32.exe 20->26         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 26->63 65 Maps a DLL or memory area into another process 26->65 67 Tries to detect virtualization through RDTSC time measurements 26->67 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-14 15:19:07 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=okaedg3tyw6xkviqcpbkxyzh4fpzbsyplvg6qvf7u67pl6hzflla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
068acc71b449db8c8b13a3b4ae214425b5b37919d465102d53f74b4fed65a027
Formbook
5131b99eca49a0694073f43f58543781fd6adecc63a0cd643a50686b4d3e001a
Formbook
55f06aa36a715afaa715697f490114fdaaa854f1a62d24d8df024fdc95cd1435
Formbook
820874caef7dd09b3475fbeac4b6b7372446b6b5eee1583aa7eef9610e27b9f8
Formbook
8e7766e7538b196a7d96e8c11fa2a09d86b9248a130d23381e62b32db0d7a7e0
Formbook
a728204cf53dff3c0f93facfa43a189166caf917e31e85c3ff3b773ecf0cb9b6
Formbook
d2ebab1807dd44bad7b61ac4b53e5d4e8dcdd1daa20d521c778400610fc1a252
Formbook
e38f60c9ff210681232148c43db51f11967e6360940b50a646c8edb472fb1c42
Formbook
+ 4'913 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:nvq4 loader rat suricata
Link:
https://tria.ge/reports/210814-9zkcmaf6ts/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.cyotie.com/nvq4/
Unpacked files
SH256 hash:
875834dbf9386d7bfe89522617d485af9c75c5f62a09d07177f9a0d1a1aa8706
MD5 hash:
c7122dbd194232469943e0c1bb5f4b4c
SHA1 hash:
abf2556385ea1f0e14a511c13c6b3ae71d7dd0d1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/61916c38-ad8a-499c-afdf-06491b5142bb/
Parent samples :
068acc71b449db8c8b13a3b4ae214425b5b37919d465102d53f74b4fed65a027
7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/61916c38-ad8a-499c-afdf-06491b5142bb/
SH256 hash:
924780c7ad0717a66cb0887e15b0368339a5f27a3a092c0a85ba371febafa1ec
MD5 hash:
6ca311b79976ba7fb0f8c4e8e01036e6
SHA1 hash:
58250933f1f8ea40fc22b3579fe67265b54e3c51
Link:
https://www.unpac.me/results/61916c38-ad8a-499c-afdf-06491b5142bb/
SH256 hash:
7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6
MD5 hash:
0f3ad8b37553c60914e62e1c274e8e26
SHA1 hash:
7954ccb7edaa00714f3f791ba48983bdc8048037
Link:
https://www.unpac.me/results/61916c38-ad8a-499c-afdf-06491b5142bb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7280419b73c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 7280419b73c5bd75551013c2abe327e15f90cb0f5d4de854bfa7bef5f8f92ad6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/179257/

Comments