MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b
SHA3-384 hash: 05d4539aede1d83f4783d9cf791cb9455550becc267e827cd33eee7cb490447318b47dad0b6d69437f9eddd22f4911c6
SHA1 hash: e835c54d53c216a7e4b0743bffe37fb58bf66e72
MD5 hash: f866a06214ff680e7d9f586a8d6a84f5
humanhash: north-wyoming-carolina-massachusetts
File name:INVOICE_0002_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:711'644 bytes
First seen:2021-08-03 06:15:59 UTC
Last seen:2021-08-03 13:33:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 49be0836dac021f86af2cb207b4613c8 (6 x Loki, 4 x Formbook, 2 x SnakeKeylogger)
ssdeep 12288:21Wl8TpUMxskWv6VfuEPECDMmZXSJpBRR3QxZ:2AGR0yUExx+Cf
Threatray 7'259 similar samples on MalwareBazaar
TLSH T17CE4E600B7EDA22AF0337BF99FFEC57CC656BAF85B27826F119505074695D801B226B0
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/175928/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP GET request
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/f79ed278-87c4-4a70-ba29-ab49963eb1d4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825884
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 458296 Sample: INVOICE_0002_PDF.exe Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 34 www.drone-moment.com 2->34 36 drone-moment.com 2->36 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 5 other signatures 2->48 11 INVOICE_0002_PDF.exe 2->11         started        signatures3 process4 signatures5 56 Detected unpacking (changes PE section rights) 11->56 58 Maps a DLL or memory area into another process 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 14 INVOICE_0002_PDF.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.monteiromarquesadv.com 172.82.153.113, 49763, 80 QUICKPACKETUS United States 17->28 30 www.impossibilitee.com 74.208.236.251, 49768, 80 ONEANDONE-ASBrauerstrasse48DE United States 17->30 32 9 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Performs DNS queries to domains with low reputation 17->40 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-03 01:20:33 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 46 (28.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hh6ivwqj7xxbdwwi7oycgzreylk5z4vwnwhsvjf3zxvnu3pgebvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ccc6514caee09ed66f24a7883aa22194e523834485f752684d0ddd727e39487
Formbook
25a0902b3158cd4c095c68e6f549d8a8f26415037bf234c17b052fa70574caf3
Formbook
489e0e46a5df58a3144cd7a3ecb1fd0e29aa2db5060084ec774f1d2c8c763fd9
Formbook
8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a
Formbook
959b34597496ad489c8f8371ddc89fce086376f9fc966b97d2bdfa8967ca5e8e
Formbook
9c2725c92b6d2ab8d0a3d786358751d8a449fd8bfd02adce7e80bd5e07714d93
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
bb8edab2af37d542c7774e5f5253e1de86fc80525f29e0e274747378201a3537
Formbook
cd292d4cdb5ff8f2de087a09de2a152722d910f1df7ce7b65e6480be9ae77fdf
Formbook
ddd0a01812b2dba3e3373a246180349b74f3301ba3e218a81144785a13d8cad5
Formbook
+ 7'249 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210803-73nqbhjtvx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.microprojects.net/usvr/
Unpacked files
SH256 hash:
735a72c47cc8a0314c3e9b1a4efa120b3631bf72accec0e5dc105303810ad2fe
MD5 hash:
bf33aaa801bec9118216c716b69b0fde
SHA1 hash:
b62fc01a8116c09a15fc021a2fed52f4e898d3fc
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d49ecfc-848c-4a2d-a207-792fad9ca23d/
Parent samples :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 hash:
39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b
MD5 hash:
f866a06214ff680e7d9f586a8d6a84f5
SHA1 hash:
e835c54d53c216a7e4b0743bffe37fb58bf66e72
Link:
https://www.unpac.me/results/9d49ecfc-848c-4a2d-a207-792fad9ca23d/
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/39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b

File information

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

Malspam

Formbook

rar 1bb2fc3db917363a47fa1a3aab6ea8a0b7489c802b180da1852063322ad657d3

Formbook

Executable exe 39fc8ada09fdee11dac8fbb0236624c2d5dcf2b66d8f2aa4bbcdeada6de6206b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1bb2fc3db917363a47fa1a3aab6ea8a0b7489c802b180da1852063322ad657d3
Cape
Cape
https://www.capesandbox.com/analysis/175928/

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