MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771
SHA3-384 hash: e023c3fd0141ae071c26cc378c19c849b3d39d3f8e8de85978d89546e8856d91b1bd4799755ec80c20f61bf5cf859f45
SHA1 hash: 82961b724521ea5fc8a57b14054f4fdcf9173666
MD5 hash: 0adcb0786872110ec551dfc11458fdb2
humanhash: fillet-kilo-kentucky-triple
File name:vbc.exe
Download: download sample
Signature Formbook
File size:1'109'504 bytes
First seen:2022-02-01 14:42:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:UIWTixNaPc0nYZXvDEROx9V0C/Hu8hMZV7PVOV8:8XEtcOb/O8hMP
Threatray 12'843 similar samples on MalwareBazaar
TLSH T1D635F160B2A2C541F00B8F355468B56042B3B8D3A9C7DE776F58364A8FDEB982E4534F
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Suspicious activity
Analysis date:
2022-02-01 14:18:01 UTC
Tags:
n/a

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
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 564229 Sample: vbc.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 10 vbc.exe 3 2->10         started        14 explorer.exe 10 2->14         started        process3 file4 29 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 10->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 16 vbc.exe 10->16         started        signatures5 process6 signatures7 33 Modifies the context of a thread in another process (thread injection) 16->33 35 Maps a DLL or memory area into another process 16->35 37 Sample uses process hollowing technique 16->37 39 Queues an APC in another process (thread injection) 16->39 19 explorer.exe 16->19 injected process8 process9 21 cscript.exe 19->21         started        dnsIp10 31 192.168.2.1 unknown unknown 21->31 49 Self deletion via cmd delete 21->49 51 Modifies the context of a thread in another process (thread injection) 21->51 53 Maps a DLL or memory area into another process 21->53 55 Tries to detect virtualization through RDTSC time measurements 21->55 25 cmd.exe 1 21->25         started        signatures11 process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-01 14:41:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:cxbz loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Uses the VBS compiler for execution
Xloader Payload
Xloader
Unpacked files
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
d917d5ff8287697f1931872f24a21f3e3c99bef8ab3e87a58aa98207c1c1901f
MD5 hash:
de30874a44982463820ab07744b561ec
SHA1 hash:
2737889cc495da0e263b976a5200b184d050128a
SH256 hash:
2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771
MD5 hash:
0adcb0786872110ec551dfc11458fdb2
SHA1 hash:
82961b724521ea5fc8a57b14054f4fdcf9173666
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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