MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39151f485c1f0399dd6b98907c941ab4ff590412067e73135192baeb587d9e22. 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

SHA256 hash: 39151f485c1f0399dd6b98907c941ab4ff590412067e73135192baeb587d9e22
SHA3-384 hash: 93f0dfdd81a5d5b52085ca1e029ece7dae37c4e37fd434511e225b9ba5f8816c4a8f24d4b6a21ffdbe955b8b342c6804
SHA1 hash: 77c783dc742774f3eb39ad9a5b39c2724c9b67ad
MD5 hash: eac8aa563259041eed549699da9c402e
humanhash: ohio-wisconsin-oscar-asparagus
File name:eac8aa563259041eed549699da9c402e
Download: download sample
Signature Formbook
File size:197'120 bytes
First seen:2020-10-25 08:10:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:mZ/jQg6sZdlCA4STJQ535pJMMvHV58LXP:2sRsZdlLmdnGMr8LXP
Threatray 2'689 similar samples on MalwareBazaar
TLSH 72145B61C501C031F6B256B4B2395B76BB3E0CF52DF4AD5AA3E139923AF11D36029A1F
Reporter seifreed
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates an undocumented autostart registry key
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303787 Sample: BsMdJnus2L Startdate: 25/10/2020 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 4 other signatures 2->54 9 BsMdJnus2L.exe 2->9         started        process3 signatures4 58 Modifies the context of a thread in another process (thread injection) 9->58 60 Maps a DLL or memory area into another process 9->60 62 Sample uses process hollowing technique 9->62 64 2 other signatures 9->64 12 explorer.exe 9->12 injected process5 dnsIp6 34 daresustentable.com 162.241.61.204, 49771, 49772, 80 UNIFIEDLAYER-AS-1US United States 12->34 36 parkingpage.namecheap.com 198.54.117.218, 49752, 49753, 80 NAMECHEAP-NETUS United States 12->36 38 12 other IPs or domains 12->38 66 System process connects to network (likely due to code injection or exploit) 12->66 16 explorer.exe 1 12 12->16         started        signatures7 process8 dnsIp9 32 www.856380223.xyz 16->32 40 System process connects to network (likely due to code injection or exploit) 16->40 42 Creates an undocumented autostart registry key 16->42 44 Tries to steal Mail credentials (via file access) 16->44 46 4 other signatures 16->46 20 cmd.exe 2 16->20         started        24 cmd.exe 1 16->24         started        signatures10 process11 file12 30 C:\Users\user\AppData\Local\Temp\DB1, SQLite 20->30 dropped 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 26 conhost.exe 20->26         started        28 conhost.exe 24->28         started        signatures13 process14
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-28 08:09:35 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Malware Config
C2 Extraction:
http://www.mg-new2.info/d9s8/
Unpacked files
SH256 hash:
39151f485c1f0399dd6b98907c941ab4ff590412067e73135192baeb587d9e22
MD5 hash:
eac8aa563259041eed549699da9c402e
SHA1 hash:
77c783dc742774f3eb39ad9a5b39c2724c9b67ad
Detections:
win_formbook_g0 win_formbook_auto
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:win_formbook_auto
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.

  
Delivery method
Other

Comments