MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58de41e1c48a304c1f7f289fe5c8976d82b8968aae89497adf7c60cda25deaaf. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1

SHA256 hash: 58de41e1c48a304c1f7f289fe5c8976d82b8968aae89497adf7c60cda25deaaf
SHA3-384 hash: 78ee9d18d0bb6683a835ab881914faba9781c038705d239031168a80889035a7822e57fe7400ec31681ac216e9fd1235
SHA1 hash: 57dd79737e08b2669fec5926fb6d283e36fccee3
MD5 hash: 5336c524e14753aeacf55d47d243a5c7
humanhash: berlin-ack-delta-purple
File name:5336c524e14753aeacf55d47d243a5c7
Download: download sample
Signature Formbook
File size:318'859 bytes
First seen:2021-11-09 12:20:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbSRS5yHZIHRAFP9+yETiVl4e9hwuIfLNEWNLRlRf:mb/iXsWt9+yFV9auOVfj
Threatray 11'215 similar samples on MalwareBazaar
TLSH T19064122173B4E4AEE0F216B6153A7A7B8EFDA025A0756B9707403E69B962440CD0F3B5
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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
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
Self deletion via cmd delete
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: 518432 Sample: NE8BpFF7XS Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 9 NE8BpFF7XS.exe 17 2->9         started        process3 file4 26 C:\Users\user\AppData\Local\Temp\...\iglq.dll, PE32 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 54 Injects a PE file into a foreign processes 9->54 13 NE8BpFF7XS.exe 9->13         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 WWAHost.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 www.tttk8.site 19->28 30 www.surreeke.com 19->30 32 2 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-09 12:21:05 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dyh6 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tttk8.site/dyh6/
Unpacked files
SH256 hash:
58de41e1c48a304c1f7f289fe5c8976d82b8968aae89497adf7c60cda25deaaf
MD5 hash:
5336c524e14753aeacf55d47d243a5c7
SHA1 hash:
57dd79737e08b2669fec5926fb6d283e36fccee3
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_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:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe 58de41e1c48a304c1f7f289fe5c8976d82b8968aae89497adf7c60cda25deaaf

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-09 12:20:26 UTC

url : hxxp://f0597568.xsph.ru/maxx.exe