MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c41a797e70fef4120a5175d93835738ed9b9b85e24c912d61c7e1f96265f51. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
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SHA256 hash: 37c41a797e70fef4120a5175d93835738ed9b9b85e24c912d61c7e1f96265f51
SHA3-384 hash: d009a8b1ab926f839116c46426d8f2b3b7f8060ad82cf68eeccb35c403e2f6b67881fcc3925f35b94581de83dbbf34a7
SHA1 hash: d02e2abef70723dec4f6092caa7e41ab863db7aa
MD5 hash: cb80eac6d28f0daedd91993a5000c499
humanhash: mountain-nine-winter-beryllium
File name:text.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'135'616 bytes
First seen:2020-10-26 15:08:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:v9WfaMSEiIyL8sXvqb/au4M3t74oKcmUOKS8:
TLSH 24358D3D6E8825A35177F276A4F90687FEE8618673790C4B02C32B486D4AF163E9734D
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79253/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
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
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/512076
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305234 Sample: text.exe Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 10 text.exe 1 2->10         started        process3 signatures4 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 13 text.exe 10->13         started        16 WerFault.exe 23 9 10->16         started        19 text.exe 10->19         started        process5 dnsIp6 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 21 explorer.exe 13->21 injected 34 192.168.2.1 unknown unknown 16->34 signatures7 process8 dnsIp9 36 thinkaboutgift.store 45.13.252.5, 49774, 80 AS-HOSTINGERLT Lithuania 21->36 38 www.thinkaboutgift.store 21->38 40 www.a1aphysicaltherapy.com 21->40 50 System process connects to network (likely due to code injection or exploit) 21->50 25 control.exe 21->25         started        28 autoconv.exe 21->28         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37c41a797e70fef4120a5175d93835738ed9b9b85e24c912d61c7e1f96265f51/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-10-26 14:02:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201026-f22leeb1fx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Program crash
Suspicious use of SetThreadContext
Blacklisted process makes network request
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.a1aphysicaltherapy.com/ri6/
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/79253/

Comments