MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64ac85dbe848795a0595a96f00817c5616387c26243081cfe33002ce9d89c4a5. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: 64ac85dbe848795a0595a96f00817c5616387c26243081cfe33002ce9d89c4a5
SHA3-384 hash: 29f35f95d4dd1f23b526efbdc0356dcee7f96dd66c28d419075629459bd84925c59e54a765b43ebcc8f0393fee5338af
SHA1 hash: 23fc1a8eafc5d8693973ffaffc223cefc1c6cc13
MD5 hash: 9afa54ca6adc21703eafa1444d025fb1
humanhash: beryllium-yellow-cup-jig
File name:9afa54ca6adc21703eafa1444d025fb1
Download: download sample
Signature Formbook
File size:324'669 bytes
First seen:2022-02-24 07:50:54 UTC
Last seen:2022-02-24 09:50:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:TxDSnoCdzyHDGdpA4+Zsr+Zzw9422AcY83T77qNbJyPYKM3Gmj5sDkQwLT:EoUyqdp3ksW22Ac3ad300T
TLSH T16664224EA1CEA43FE5170E3224F6533EDAF6FA243960344F9B614E66352C5C5CF48691
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 :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7b9ee6d79797a5845aaddea358f7e48c.zip
Verdict:
Malicious activity
Analysis date:
2022-02-24 04:38:04 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer sinkhole

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system 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.
Malware family:
Generic Malware
Verdict:
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 malware configuration
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
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: 577942 Sample: D9wf2aqIEX Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 34 www.iamaka.net 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 4 other signatures 2->56 12 D9wf2aqIEX.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\dsuccmyc.exe, PE32 12->32 dropped 15 dsuccmyc.exe 12->15         started        process6 signatures7 66 Tries to detect virtualization through RDTSC time measurements 15->66 18 dsuccmyc.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.thinkcentury.net 199.21.76.81, 49780, 80 VOXEL-DOT-NETUS United States 21->36 38 www.primespot-shop.com 217.160.0.101, 49801, 80 ONEANDONE-ASBrauerstrasse48DE Germany 21->38 40 7 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 wscript.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-24 07:30:33 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:p2a5 loader persistence rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
Unpacked files
SH256 hash:
fcd4c95fafff9e0e2e6875d71f9c0d4ed3c2181a414869ae0cfefc0e2f536fec
MD5 hash:
779861ef8b6770c4227d28ec3a2d7b6f
SHA1 hash:
80dda86a88d610c7d80c8aa673bea102c056b667
SH256 hash:
64ac85dbe848795a0595a96f00817c5616387c26243081cfe33002ce9d89c4a5
MD5 hash:
9afa54ca6adc21703eafa1444d025fb1
SHA1 hash:
23fc1a8eafc5d8693973ffaffc223cefc1c6cc13
Malware family:
XLoader
Verdict:
Malicious
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.

Web download

Formbook

Executable exe 64ac85dbe848795a0595a96f00817c5616387c26243081cfe33002ce9d89c4a5

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-02-24 07:50:56 UTC

url : hxxp://180.214.236.128/365cloud/vbc.exe