MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd3f64e6a847fd8ba77ec995ef3c1b9b6ce164df8056545b9e537cf5a23f64a0. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: dd3f64e6a847fd8ba77ec995ef3c1b9b6ce164df8056545b9e537cf5a23f64a0
SHA3-384 hash: eb1aade7d088c1e06e19f64b247aa53462c916a78dfbee3bf7714b538c9aa8a0ccee3780ff4d4056b07f1a6754d8aaaf
SHA1 hash: fce4cc44725b823a076f5cf10b3b3ba7d5f6eb8c
MD5 hash: bd985fa9dab5379cad24e6ad1c2d8bed
humanhash: wolfram-summer-violet-butter
File name:Product specification.exe
Download: download sample
Signature Formbook
File size:433'344 bytes
First seen:2022-01-03 12:16:50 UTC
Last seen:2022-01-03 13:58:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:jbLfJZKtTkBhrzMzvZsHLYurx9X9k0lrEbmIqil:joTkBhrev+LYaxBlNIVl
Threatray 12'960 similar samples on MalwareBazaar
TLSH T1F794230825D2D4F7FBAD6631085BFD76C3F7C29216654CE35F482F2A297461B292E903
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Product specification.exe
Verdict:
Malicious activity
Analysis date:
2022-01-03 12:18:09 UTC
Tags:
installer 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
DNS request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
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 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
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 signatures2 2 Behavior Graph ID: 547333 Sample: Product specification.exe Startdate: 03/01/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 Product specification.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\qkewtxymr.dll, PE32 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Product specification.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 ipufa.net 116.206.106.239, 49765, 80 PUBLIC-DOMAIN-REGISTRYUS Seychelles 17->30 32 www.kfitfabfrugal.com 45.199.79.162, 49752, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-01-03 11:27:51 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:t0y7 rat spyware stealer suricata trojan
Behaviour
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)
Unpacked files
SH256 hash:
dd3f64e6a847fd8ba77ec995ef3c1b9b6ce164df8056545b9e537cf5a23f64a0
MD5 hash:
bd985fa9dab5379cad24e6ad1c2d8bed
SHA1 hash:
fce4cc44725b823a076f5cf10b3b3ba7d5f6eb8c
Malware family:
FormBook
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: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 dd3f64e6a847fd8ba77ec995ef3c1b9b6ce164df8056545b9e537cf5a23f64a0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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