MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351
SHA3-384 hash: 9c434e3d3ca99c95f4fc4582e148188b39e2595a35710e973f1a59af136fc0a519ac7edb3292f88565774e4fc435d331
SHA1 hash: a61c62208a7a5bdf5ef2cc6501c76852f10dcbf9
MD5 hash: 39bfeba90933c59de1189c86e5dc1f6b
humanhash: quiet-green-papa-music
File name:NEW ORDER NO8765432.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:458'752 bytes
First seen:2020-08-12 07:11:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:KHAgbCa8sGQTYQWnxnIrjcve/+6nA6bW1VoSgOAAGOvUnNSz5:KHX8kTYQWnNI0vy1tW1VnGOvUnNS
Threatray 4'902 similar samples on MalwareBazaar
TLSH 87A46C366983C035D4390A74D8385AD7AA7A3A383B51866E73E7230CAF4315B7B5B11F
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/43997/
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/421580
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 263262 Sample: NEW ORDER NO8765432.exe Startdate: 12/08/2020 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Yara detected FormBook 2->35 37 .NET source code contains very large array initializations 2->37 39 3 other signatures 2->39 10 NEW ORDER NO8765432.exe 4 2->10         started        process3 file4 27 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->27 dropped 29 C:\Users\user\...29EW ORDER NO8765432.exe.log, ASCII 10->29 dropped 47 Writes to foreign memory regions 10->47 49 Allocates memory in foreign processes 10->49 51 Injects a PE file into a foreign processes 10->51 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 2 other signatures 14->59 17 explorer.exe 14->17 injected process8 dnsIp9 31 www.isfxzm.men 17->31 20 msiexec.exe 17->20         started        process10 signatures11 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 20:18:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
38 of 48 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ejwwzvidelhk5aerqgcbuqypctwfjgpu7wwx6upgeldxfsanoniq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0e7ba6c8acc0e3de5a31e050eb287daba683c992e12c4715730ef3ccf3bbf575
Formbook
2ad145ebeae4ff20eeb893b16658fe43d7557f30c746edc355a5dceb393bf8bb
Formbook
3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4
Formbook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
Formbook
5e5d88343393a5a1f98a66c8e5967023e200dcf3be81bc0a3c210396156d0fea
Formbook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
Formbook
5f6ecbe9757644eb46ceaef0b9e8354e63bab83b29bf47f4812c84beb08acb4f
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
7c73899c0587f768cfbb871b9305c7b47e85b39c330c5f82fd79345ee914d3d6
Formbook
c7544c2d4180660fc3a96f3b66b5caa0e168dcfbb35a870f1c576a152ed62348
Formbook
+ 4'892 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat family:formbook
Link:
https://tria.ge/reports/200812-q2hv8ras52/
Behaviour
Formbook Payload
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351

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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

z 909bd01c150819db1aeb29401188658ea3cd5152c7550777fa418c4778a114c7

Formbook

Executable exe 226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 909bd01c150819db1aeb29401188658ea3cd5152c7550777fa418c4778a114c7
Cape
Cape
https://www.capesandbox.com/analysis/43997/

Comments