MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f14202d038576081a716747d905248877b873edcec27a6406201d57b090ae8b. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 8f14202d038576081a716747d905248877b873edcec27a6406201d57b090ae8b
SHA3-384 hash: 769877f223ae6ab92258f7b19e6d4a47bc943b16499cef25da4bfa32116698d4ed0179cf9df67324880a0d779ef0c6ac
SHA1 hash: 2ae768c1dd51a1bbefa32f2f8b620490ec026aae
MD5 hash: 35971270d5d0406535ba77fa74bf4f21
humanhash: jupiter-eight-fifteen-jersey
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:452'096 bytes
First seen:2021-12-03 14:26:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:PX6jY/c1dmtUw6A5F4janSAhszj7UTN0:/ItRFA5FoaSae/UT
Threatray 8'870 similar samples on MalwareBazaar
TLSH T1E3A4E0097AD4C515C33F9FB0E8A1A2E01B75BD5BF963D3D76990BEAE38763120441B0A
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-12-03 14:27:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9db415e9-c8cc-4100-aa15-b25270cebb58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/211061/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61aa2938fa72c81b5b097e1b/reports/48bed39c-6763-4cb9-af07-348a9ab41cf6/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5154802b-a854-4180-b3c0-3446e0e2d560
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900913
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 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: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: Suspicius Add Task From User AppData Temp
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 533391 Sample: vbc.exe Startdate: 03/12/2021 Architecture: WINDOWS Score: 100 43 www.neosecure.store 2->43 45 www.asiapubz-hk.com 2->45 47 neosecure.store 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 11 other signatures 2->61 11 vbc.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\HWDkRuZX.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpB3A5.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->41 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 11->65 67 Adds a directory exclusion to Windows Defender 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 vbc.exe 11->15         started        18 powershell.exe 23 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 Queues an APC in another process (thread injection) 15->87 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 49 wz24.7-mi.net 103.108.195.147, 49810, 80 WEST263GO-HKWest263InternationalLimitedHK China 22->49 51 greencofiji.com 162.241.169.32, 49834, 80 UNIFIEDLAYER-AS-1US United States 22->51 53 4 other IPs or domains 22->53 63 System process connects to network (likely due to code injection or exploit) 22->63 30 svchost.exe 22->30         started        signatures11 process12 signatures13 73 Self deletion via cmd delete 30->73 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Tries to detect virtualization through RDTSC time measurements 30->79 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f14202d038576081a716747d905248877b873edcec27a6406201d57b090ae8b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-03 12:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2
Formbook
5ce12b1abf4c0139a9022d549dafff88c441fbc7127d240cc78ecbd0608d2328
Formbook
8e405b6451c62462b5df1a0490175f4b9712ee1b1ab25a52f7e3a1f736400439
Formbook
99ce2e68255b2f3b1ee1934af1eacd280a096adaedcaa2df1f03e8d9ee01e860
Formbook
a8c5b384b32f2a117fda2336ec2692bfc44e37a56327217454b63eb28ec0701b
Formbook
c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7
Formbook
cae28876b4d13e974995f686d84fdb7e48b4eb583e76cdd53f393dc8921faa63
Formbook
e630a2d0f63e21c38730606f15825c625d37eb1ff5b038724b403a1f72c591ec
Formbook
fff77f3852a66a56bad4ec5bc1c1bc2afb0b08b8ea65393384a1ee6917dcb355
Formbook
+ 8'860 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ea0r loader rat
Link:
https://tria.ge/reports/211203-rse2xsbha7/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.asiapubz-hk.com/ea0r/
Unpacked files
SH256 hash:
ccb2cd6cca2ab64436e4ac9c3bd2281fe37bd19f609551f9afb7874c10c5f448
MD5 hash:
bd8bafa84fc87cb7dd4cf91309820664
SHA1 hash:
c2706c198915d6285a47131928b2746e9af0b6ec
Link:
https://www.unpac.me/results/57ae6dd0-18e9-4dee-9da7-4f2bebd9d9de/
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/57ae6dd0-18e9-4dee-9da7-4f2bebd9d9de/
SH256 hash:
8f14202d038576081a716747d905248877b873edcec27a6406201d57b090ae8b
MD5 hash:
35971270d5d0406535ba77fa74bf4f21
SHA1 hash:
2ae768c1dd51a1bbefa32f2f8b620490ec026aae
Link:
https://www.unpac.me/results/57ae6dd0-18e9-4dee-9da7-4f2bebd9d9de/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8f14202d0385/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f14202d038576081a716747d905248877b873edcec27a6406201d57b090ae8b

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
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/1847962/
Cape
Cape
https://www.capesandbox.com/analysis/211061/

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