MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077. 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


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077
SHA3-384 hash: dc041e237aebb3cd72fb93f090a19f328642af94a63fc8edbe7bd02058b572123a08883552682e2c2a094e11d42b7307
SHA1 hash: e130539aee3a44c1902016476eb9f4304976aa4d
MD5 hash: 238fa7f1204998f7b13571649e15508a
humanhash: queen-sodium-papa-single
File name:MV ULTRASONIC_PDA$62,000.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:294'260 bytes
First seen:2022-01-20 08:27:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owg6hnnFm7ryptMqajgeILsNgpzZND/YKix6WKtfG:r1srSt7aIQNgFm6WgG
Threatray 13'080 similar samples on MalwareBazaar
TLSH T10F54121F33F28DF7E1978A3537EB8B65C2F586531651CF0B8BB04BAB193009674AA251
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220992/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand.exe
Link:
https://www.filescan.io/uploads/61e91d16d32385db630db867/reports/2abe4fcf-eeb0-4c68-bb4a-b784b89a928f/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cdfa098d-0936-4a2a-937d-d8dba921b66a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924122
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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
Self deletion via cmd delete
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: 556600 Sample: MV ULTRASONIC_PDA$62,000.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 31 www.unicorm.digital 2->31 33 www.fdkkrfidkdslsieofkld.info 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 MV ULTRASONIC_PDA$62,000.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\mhvofabkmab.dll, PE32 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 MV ULTRASONIC_PDA$62,000.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.test-order-noren.com 183.181.94.137, 49690, 80 SAKURA-CSAKURAInternetIncJP Japan 18->35 37 www.songlingjiu.com 154.205.236.151, 49694, 80 IKGUL-26484US Seychelles 18->37 39 13 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-20 05:40:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h53nnhcvfjq2wpisa75wjlb25t4bf2mpthcucouuolkzqwodqb3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
Formbook
41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
Formbook
64c7583a94ab474b9cd3509e8ca73eb7a19e70ffc2c4fa4582ccd7fd3f10c5ec
Formbook
6846492babd6809fcbf6d1a30ebd47db29061bc23237069ff85a86b406b1abb0
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
Formbook
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
+ 13'070 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:igwa loader persistence rat suricata
Link:
https://tria.ge/reports/220120-kc1kcshadq/
Behaviour
Modifies data under HKEY_USERS
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Sets service image path in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
25bba27f31d8b5e3a1332768f47db4f74ce9148611a3aa4c2bfe5f3c5258bb38
MD5 hash:
dad43446a578a53bc90250a656a1ee2a
SHA1 hash:
29510706a2baa37c3b578e85827a2ad1800b8932
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d533977f-7ed0-4862-98e8-477c43bff88d/
Parent samples :
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077
fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
2e3edcdf1ab052a2e0fbd8ffdaf213876b3571b23ff74f5e157ce24a1155be81
ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
SH256 hash:
8be78073ef9fdcc6639e9fde21d313ad35de29b3e81e6cdb8e5d1fa2a89a19d8
MD5 hash:
c7ccaa08597a1e093cda3a2f126f75e0
SHA1 hash:
4ded36dbe3b7a87752630c0e496378cf159a7632
Link:
https://www.unpac.me/results/d533977f-7ed0-4862-98e8-477c43bff88d/
SH256 hash:
3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077
MD5 hash:
238fa7f1204998f7b13571649e15508a
SHA1 hash:
e130539aee3a44c1902016476eb9f4304976aa4d
Link:
https://www.unpac.me/results/d533977f-7ed0-4862-98e8-477c43bff88d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077

File information

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

Malspam

Formbook

Executable exe 3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220992/

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