MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 377dfccd81ec5f0ec4179a68f08eedb2d3b726048d35519011514c1929d9bd1e. 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

SHA256 hash: 377dfccd81ec5f0ec4179a68f08eedb2d3b726048d35519011514c1929d9bd1e
SHA3-384 hash: 3ffd2f29838df2b0076e49b48dc901ef0db1bd4d2a0686491d87e351931b8078d34000845a6002148fc8049e87c021e4
SHA1 hash: 5079ded45e45641a55ce6df542b81bb7c066f03d
MD5 hash: d67dc035b98ceee080d49ea7b5a65a30
humanhash: five-ack-enemy-fish
File name:devis.exe
Download: download sample
Signature Formbook
File size:316'646 bytes
First seen:2021-10-06 13:30:49 UTC
Last seen:2021-10-06 17:13:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBsE7UA09chIv/LwVAvpEP2Vv5/2jsfr7SXmR2X2fBpxodtFt185:/Og0I7oeOPPsfHSpwIdtFtm
Threatray 9'947 similar samples on MalwareBazaar
TLSH T15664223672D16EF3D5E06D334EBD8A7AFA7A9205206858C3C3A53D6B3A62747C70019D
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
devis.exe
Verdict:
Malicious activity
Analysis date:
2021-10-06 13:35:18 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
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching the process to change network settings
Launching cmd.exe command interpreter
Reading critical registry keys
Creating a window
DNS request
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot overlay packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 498040 Sample: devis.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 31 www.aspydad.com 2->31 33 aspydad.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 5 other signatures 2->47 11 devis.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\wknvlz.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 devis.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 mississippiscorecard.com 184.168.131.241, 49789, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->35 37 www.negative-dsp.com 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-10-06 13:31:05 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s3dy rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.livelifevibrantcourse.com/s3dy/
Unpacked files
SH256 hash:
377dfccd81ec5f0ec4179a68f08eedb2d3b726048d35519011514c1929d9bd1e
MD5 hash:
d67dc035b98ceee080d49ea7b5a65a30
SHA1 hash:
5079ded45e45641a55ce6df542b81bb7c066f03d
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.

Malspam

Formbook

Executable exe 377dfccd81ec5f0ec4179a68f08eedb2d3b726048d35519011514c1929d9bd1e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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