MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f832876e5226548ea1d6460e26f546c344b9edb63c9009176e04ebbb562aa08. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 0f832876e5226548ea1d6460e26f546c344b9edb63c9009176e04ebbb562aa08
SHA3-384 hash: f7bd368fdd2fc47078801bbdf1cb452b2229bb6ff75daf086e72d8d6d82418eab4a59d82688790bfcd4a9ebcfdb4682c
SHA1 hash: fbfbc8db16dde9b42ac054e0de66730ca319279f
MD5 hash: 64eaf97106ba76288f92396de46f322c
humanhash: east-fish-alabama-black
File name:triage_dropped_file
Download: download sample
Signature Formbook
File size:352'256 bytes
First seen:2021-06-07 11:42:38 UTC
Last seen:2021-06-07 12:44:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 34a88fcee714364cfcbac54c6885bedd (2 x TeamBot, 2 x Formbook, 1 x DanaBot)
ssdeep 6144:ea0r/ZAm+sV4PW4P6sscvUMJ1hhlphU0dskDV77XMgy7IKH+:ea0r/ZAmsW4iP01hh20dZl7cLX
Threatray 5'671 similar samples on MalwareBazaar
TLSH 4874BE00F7A1C035F1F352F45AB982F9A93E7EA1AB2890CF52D616EE56646E0DC31317
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2021-06-07 11:45:55 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430437 Sample: triage_dropped_file Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 4 other signatures 2->41 10 triage_dropped_file.exe 2->10         started        process3 signatures4 49 Contains functionality to inject code into remote processes 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 13 triage_dropped_file.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.whitehome-re.com 163.44.185.221, 49746, 80 INTERQGMOInternetIncJP Japan 16->27 29 shops.myshopify.com 23.227.38.74, 49747, 80 CLOUDFLARENETUS Canada 16->29 31 3 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 WWAHost.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
Win32.Spyware.Convagent
Status:
Malicious
First seen:
2021-06-07 10:01:37 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mpaiji.com/c244/
Unpacked files
SH256 hash:
0f832876e5226548ea1d6460e26f546c344b9edb63c9009176e04ebbb562aa08
MD5 hash:
64eaf97106ba76288f92396de46f322c
SHA1 hash:
fbfbc8db16dde9b42ac054e0de66730ca319279f
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Comments