MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41477bedbe65980efdfe44fbf871c15273b68d114dcabb814ee9cf65f13851be. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 41477bedbe65980efdfe44fbf871c15273b68d114dcabb814ee9cf65f13851be
SHA3-384 hash: e496fd1507191549645cabc53983521f4c5988bb510642a06880bba4e2eb01bcf48d97c2b19e44299e83e5fbb48d9bf8
SHA1 hash: 1ff3c392f3bd43db92c8a10bfa82809fe1e0f2df
MD5 hash: 86d786087fdbb810928fc7761a96b025
humanhash: texas-oranges-two-comet
File name:Quotation.pptx.exe
Download: download sample
Signature Formbook
File size:635'688 bytes
First seen:2021-11-11 14:36:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:uGi+jh4AlU3UCwccg51UXXZqAG9U82h4ue/3FZRF2DM4ITi276A/l4:S/wHg5qXpqdU84o/3Fsro6A4
Threatray 11'196 similar samples on MalwareBazaar
TLSH T18AD49CC34AD015A5EE991F3501362C385327FF6ABCBCF9CD9E48755217372C282A6A27
File icon (PE):PE icon
dhash icon 000240035b4c0248 (10 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.pptx.exe
Verdict:
Malicious activity
Analysis date:
2021-11-11 08:00:24 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519987 Sample: Quotation.pptx.exe Startdate: 11/11/2021 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 Quotation.pptx.exe 17 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\...\ceto.dll, PE32 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 Quotation.pptx.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.liveonenightonly.net 17->30 32 www.citrix.holdings 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 raserver.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 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Backdoor.Zapchast
Status:
Malicious
First seen:
2021-11-11 05:29:30 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a6hj rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
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
Malware Config
C2 Extraction:
http://www.starbucksnegotiations.com/a6hj/
Unpacked files
SH256 hash:
41477bedbe65980efdfe44fbf871c15273b68d114dcabb814ee9cf65f13851be
MD5 hash:
86d786087fdbb810928fc7761a96b025
SHA1 hash:
1ff3c392f3bd43db92c8a10bfa82809fe1e0f2df
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments