MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa
SHA3-384 hash: 65c1e377b57c62a042cd85c9cfe3ed2aa2fbebd908fe3482175acc6046c3811c8845f60135bf019700e905caa3dc729f
SHA1 hash: 3a6abf5526dd9a5843ddf82d0f3a70408dde2b85
MD5 hash: 93f4a81a474898cc589b10ea4b2dc5a3
humanhash: aspen-social-uranus-violet
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'115'648 bytes
First seen:2022-05-25 11:55:13 UTC
Last seen:2022-05-25 15:47:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:y9kZsCW2MF07hQwxcAvv12aN7H67S5Zp2wjlEpKoDecAVbmEGHOwqhNS9uqLHAiO:yK+CWjFCv1Tt67u2owKoDe1VbmEGqkH
Threatray 15'797 similar samples on MalwareBazaar
TLSH T13935E431205CC950EFAE2A3AD36E96EC01754DA7DA27C50E79C73B87E432E076897316
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 232b235959232b0f (6 x Formbook, 1 x AveMariaRAT)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_copy.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-25 11:57:21 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/4ecbc777-62b7-476f-8e8b-6a0441507f17

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/274495/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/628e1967370bb1455cc5368c/reports/a6fb1291-acca-481d-9c0c-f6cdf741917d/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:
Unknown
Link:
https://analyze.intezer.com/analyses/4c3fb427-c165-4348-843f-260eed9c1562
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001536
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 634031 Sample: vbc.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 35 www.zxlsn6.com 2->35 37 www.ut1r92k4.xyz 2->37 39 2 other IPs or domains 2->39 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 vbc.exe 1 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->33 dropped 14 RdpSaUacHelper.exe 11->14         started        17 fsutil.exe 11->17         started        process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 2 other signatures 14->63 19 explorer.exe 14->19 injected process8 signatures9 49 Uses ipconfig to lookup or modify the Windows network settings 19->49 22 ipconfig.exe 19->22         started        process10 signatures11 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        27 explorer.exe 65 22->27         started        29 explorer.exe 22 22->29         started        process12 process13 31 conhost.exe 25->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 12:14:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrlbnhqneraqnwmw6ajzsg6cecdtcbir5zff5magaujss4hm4cva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19dcc4800e5e1b9a286a94597fa408a1d90e6789896907ccf59ed4d328831150
Formbook
4daead502dfca41fa6e5789eb458e5bc60ed7da6c8af2229596e1e0697f50701
Formbook
814f2e3ff651afd0a82fe2b2c953c27e8ffda9df3fd7232681da30d29573271f
Formbook
ade283e1dc7b88a52ca2c0ac149af10ff68dff1709a27dd800936a7345cc6b56
Formbook
bc1c5ae3fff0af129ab74ef27cbf0d9c2dfbebebef2857f21161ae3539e88db2
Formbook
d1436252b743d1f522311de28d13a2ec5d8e399990f5c5c26f3479414076ee26
Formbook
d24ea1fb5048a0cad103d4e728f7089562bc3397d7e6cc5a7933a12ed4b658f1
Formbook
f792871e168a48e4b5b84184b0aaa655e039d40409eccc7779f4c3be0e860d4c
Formbook
+ 15'787 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uu0p loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220525-n31jtsebcm/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa
MD5 hash:
93f4a81a474898cc589b10ea4b2dc5a3
SHA1 hash:
3a6abf5526dd9a5843ddf82d0f3a70408dde2b85
Link:
https://www.unpac.me/results/ccc1ca37-8a8c-4d53-bd87-2da196f076ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa

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
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.

Web download

Formbook

Executable exe bc56169e0d244106d996f013991bc22087310511ee4a5eb00605132970ece0aa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/274495/
  
URLhaus
https://urlhaus.abuse.ch/url/2210721/
  
Delivery method
Distributed via web download

Comments