MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ad6abcd2ff14f2f92cc0babe01bd10d7e1d491d9516798165d6b2a96ba5a965. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9ad6abcd2ff14f2f92cc0babe01bd10d7e1d491d9516798165d6b2a96ba5a965
SHA3-384 hash: 66ccd44f2d3dbe9c5fa71ec521f28418e944bacee1f6d9722d8750b4bec7c53e112401cbc14e822b7777119489f1be67
SHA1 hash: 1e38fa7e39ee03635204328a6386c77b48ce40f9
MD5 hash: 65db9e26c6c9a2822e2962fee6404820
humanhash: mountain-tango-four-oxygen
File name:crypted now now.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:466'944 bytes
First seen:2020-10-28 07:41:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:yMYELJ/wJ9jbVynRC3jrGkUnr3aS6CBqnC8CY1eFkqLJxvotCSOXqUpzg5J3q6f:yZY/WNyReqkUr3aSHBkbCfF5X9SRiEf
TLSH E8A4C0B27C91587ECA6E0775406985C0FABA26C73FE1CB0E715B431C0F01A2BAB5365B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: slot0.bimo-idea.co
Sending IP: 45.145.185.100
From: AKMGeneralTradingLLC<info@akmgeneraltrading.com>
Attachment: Oct 2020 ref Q5PRTF798GTY.zip (contains "crypted now now.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80306/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Launching a process
Launching cmd.exe command interpreter
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/514631
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Binary contains a suspicious time stamp
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
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: 306425 Sample: crypted now now.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected FormBook 2->41 43 5 other signatures 2->43 10 crypted now now.exe 7 2->10         started        process3 file4 29 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\Temp\...\njn.dll, PE32 10->33 dropped 51 Writes to foreign memory regions 10->51 53 Allocates memory in foreign processes 10->53 55 Injects a PE file into a foreign processes 10->55 14 AddInProcess32.exe 10->14         started        17 WerFault.exe 23 9 10->17         started        signatures5 process6 dnsIp7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 2 other signatures 14->63 20 explorer.exe 14->20 injected 35 192.168.2.1 unknown unknown 17->35 signatures8 process9 process10 22 raserver.exe 20->22         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ad6abcd2ff14f2f92cc0babe01bd10d7e1d491d9516798165d6b2a96ba5a965/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 04:52:31 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tllkxtjp6fhs7ewmbov6ag6rbv7b2si5sulhtalf22zks25fvfsq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-jn59ml3k32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.gcema.com/psk/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/9ad6abcd2ff14f2f92cc0babe01bd10d7e1d491d9516798165d6b2a96ba5a965

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
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

zip 0cafd20bd41d36ef7c9a1d30b6c4d9c870150036ca5c89232117ebdcae035ee4

Formbook

Executable exe 9ad6abcd2ff14f2f92cc0babe01bd10d7e1d491d9516798165d6b2a96ba5a965

(this sample)

  
Dropped by
MD5 faedf9de8a15e095c2686c49cc94a9bf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/80306/
  
Dropped by
SHA256 0cafd20bd41d36ef7c9a1d30b6c4d9c870150036ca5c89232117ebdcae035ee4

Comments