MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ab0631733cbd75ee80236daf25af3a79d6c2471c2c5b3f354407f92101bea28. 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: 8ab0631733cbd75ee80236daf25af3a79d6c2471c2c5b3f354407f92101bea28
SHA3-384 hash: 02aecace83c730400ca768e7418796d92f5b85dd879e24941146d58d2ece225bb8b9230a5306782bcdd6fe0502847f9f
SHA1 hash: 1ac0fca1273a0566bff537c7b2515ee0e000fada
MD5 hash: 1eb20c9ae82c72e806f3925be91568ef
humanhash: enemy-wyoming-twenty-december
File name:vbc.exe
Download: download sample
Signature Formbook
File size:300'601 bytes
First seen:2021-11-29 09:40:32 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:rGi+e+8EPuM/JnXBzPxLTEIxrv3dZ7TQvgOn+JgNKFonTJS2/ypKSV8:K/JR9tNxMvg+YgNbSm
Threatray 11'852 similar samples on MalwareBazaar
TLSH T1BC541202B6C94F7BE99B57750E71F378E3B7D2850249AE9F57B04F2C6CF160219502A2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook Lokibot

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Contract - WR MAFO.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-29 09:38:56 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader 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
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a system 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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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 dnsIp2 2 Behavior Graph ID: 530264 Sample: vbc.exe Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 30 www.ecarehomes.com 2->30 32 ecarehomes.com 2->32 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 3 other signatures 2->60 10 vbc.exe 17 2->10         started        signatures3 process4 dnsIp5 40 192.168.2.1 unknown unknown 10->40 28 C:\Users\user\AppData\Local\...\lwtrc.dll, PE32 10->28 dropped 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Injects a PE file into a foreign processes 10->64 15 vbc.exe 10->15         started        file6 signatures7 process8 signatures9 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 control.exe 15->18         started        21 explorer.exe 15->21 injected process10 dnsIp11 42 Self deletion via cmd delete 18->42 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Tries to detect virtualization through RDTSC time measurements 18->48 24 cmd.exe 1 18->24         started        34 weeden.xyz 192.185.5.49, 49813, 80 UNIFIEDLAYER-AS-1US United States 21->34 36 www.mountlaketerraceapartments.com 45.79.19.196, 49785, 80 LINODE-APLinodeLLCUS United States 21->36 38 10 other IPs or domains 21->38 50 System process connects to network (likely due to code injection or exploit) 21->50 52 Performs DNS queries to domains with low reputation 21->52 signatures12 process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-11-29 09:41:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:fqiq loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.esyscoloradosprings.com/fqiq/
Unpacked files
SH256 hash:
8ab0631733cbd75ee80236daf25af3a79d6c2471c2c5b3f354407f92101bea28
MD5 hash:
1eb20c9ae82c72e806f3925be91568ef
SHA1 hash:
1ac0fca1273a0566bff537c7b2515ee0e000fada
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: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.

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