MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9508c04b4c1dd578c8c3b8597a68bb73548b107edcbb37f13909a18d85f78b3a. 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 3 File information Comments

SHA256 hash: 9508c04b4c1dd578c8c3b8597a68bb73548b107edcbb37f13909a18d85f78b3a
SHA3-384 hash: 9100c8270656dc8769afdaa45a3d2ddc7e3c540c6c228808e9f9c8f6bc6b336f3708079c976608913cb44691587ddd3f
SHA1 hash: 88cc356cf7566c6c5fff68821023c97f4c79d151
MD5 hash: 2953a7fb129cbb29a3f913e5e1f01d1b
humanhash: vegan-december-bacon-three
File name:vbc.exe
Download: download sample
Signature Formbook
File size:389'120 bytes
First seen:2021-10-29 10:53:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:hlfZxQwz614b47d6f4Gz4K63CFWZ1Bx+ZG2/n+qQQkXcNO6U8t3Np0Pm3eZDPMRC:hlfZxbGBF2/n+TQecNTd2PpMRLJc
Threatray 10'999 similar samples on MalwareBazaar
TLSH T12384F1496378876FE1BC43BC44A3262847F29D2333A2F7554FD678D62D23B814E11AA7
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-10-29 11:27:22 UTC
Tags:
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 window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
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
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
System process connects to network (likely due to code injection or exploit)
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 dnsIp2 2 Behavior Graph ID: 511674 Sample: vbc.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 31 www.hrtaro.com 2->31 33 www.baibuaherb.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 11 vbc.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 vbc.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.janesgalant.quest 37.123.118.150, 49817, 80 UK2NET-ASGB United Kingdom 18->35 37 www.imyusuke.com 183.181.96.122, 49814, 80 SAKURA-CSAKURAInternetIncJP Japan 18->37 39 7 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-29 10:54:04 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:euzn loader rat
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
Suspicious use of SetThreadContext
Deletes itself
Uses the VBS compiler for execution
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heser.net/euzn/
Unpacked files
SH256 hash:
8aae2e5b44f42e3890e40e185b5fbda2d054caa374a18eb5fbc198edc07e6394
MD5 hash:
2adfba8c0b4eec96f4613fdb13881a22
SHA1 hash:
def55804b36852ee55650093745b2f133514da57
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
9508c04b4c1dd578c8c3b8597a68bb73548b107edcbb37f13909a18d85f78b3a
MD5 hash:
2953a7fb129cbb29a3f913e5e1f01d1b
SHA1 hash:
88cc356cf7566c6c5fff68821023c97f4c79d151
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: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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