MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e17e24eae0c7819220261747208d47aa163bbc219664b6b40e3447d74ff7270b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: e17e24eae0c7819220261747208d47aa163bbc219664b6b40e3447d74ff7270b
SHA3-384 hash: 6e3da375829eee7ec690a9c6960995a9780be04dbc6db5c6ccf0e2c0fa7229b859c70e5c67198a66eaed3eb5791e4427
SHA1 hash: 8ed3bb16a8730756b867d0a5d5247b44ff222968
MD5 hash: 113cef8377da3a66046186215554f6a6
humanhash: ink-black-equal-emma
File name:ville21345.exe
Download: download sample
Signature Formbook
File size:272'252 bytes
First seen:2022-02-10 09:32:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owQEMsNAF+MxdI7P92EWxPoy+92+GAExK3KMBn3Dx:8EMsNAF+wdIZ2jFoy+PGAMk9nTx
Threatray 13'456 similar samples on MalwareBazaar
TLSH T1D344121160CCE4DBD16BD9305AA3A773A3B5F7200200391B7BA05FBEBF0A5529A461F7
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 569974 Sample: ville21345.exe Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 36 www.mariobet399.com 2->36 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 11 ville21345.exe 19 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\ylgyutjaxn.exe, PE32 11->34 dropped 14 ylgyutjaxn.exe 11->14         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 14->70 72 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->72 74 Tries to detect virtualization through RDTSC time measurements 14->74 76 Injects a PE file into a foreign processes 14->76 17 ylgyutjaxn.exe 14->17         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 17->44 46 Maps a DLL or memory area into another process 17->46 48 Sample uses process hollowing technique 17->48 50 Queues an APC in another process (thread injection) 17->50 20 cmd.exe 17->20         started        23 explorer.exe 17->23 injected process10 dnsIp11 60 Modifies the context of a thread in another process (thread injection) 20->60 62 Maps a DLL or memory area into another process 20->62 64 Tries to detect virtualization through RDTSC time measurements 20->64 26 cmd.exe 1 20->26         started        38 talkingcakes.xyz 63.250.43.10, 49786, 80 NAMECHEAP-NETUS United States 23->38 40 www.talkingcakes.xyz 23->40 42 www.aipharaohnft.com 23->42 66 System process connects to network (likely due to code injection or exploit) 23->66 68 Performs DNS queries to domains with low reputation 23->68 28 autochk.exe 23->28         started        30 autochk.exe 23->30         started        signatures12 process13 process14 32 conhost.exe 26->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-09 14:20:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:rv12 rat spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Gathers network information
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8943d2552cdcfcd659216c9093c27ac0a21ed9d7eab2dfcab4f207562d285a46
MD5 hash:
d5c2be6daa3b3188c227a1ba628e02ee
SHA1 hash:
d3143b6876ac3367e80fddd94a26e823cec46a9e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a5b7994be902ed68d8f844f8630832a9e9b87327152e46c78b7c099cfb94e7f8
MD5 hash:
12fd33768704c882374f70a91bfa8c28
SHA1 hash:
2a758574f3d51db6160d5f30cfa5eb1f88dbde84
SH256 hash:
e17e24eae0c7819220261747208d47aa163bbc219664b6b40e3447d74ff7270b
MD5 hash:
113cef8377da3a66046186215554f6a6
SHA1 hash:
8ed3bb16a8730756b867d0a5d5247b44ff222968
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:malware_Formbook_strings
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: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 e17e24eae0c7819220261747208d47aa163bbc219664b6b40e3447d74ff7270b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments