MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da66d2f930b291f3f065faa17bc87f4a68de14a6eb227b2b9f5a68d9bf6b475f. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: da66d2f930b291f3f065faa17bc87f4a68de14a6eb227b2b9f5a68d9bf6b475f
SHA3-384 hash: 8bab5ba46f69608edeb1c54b2248d3b58855eeb5b27b34660d45f8c7cc71d6cc45a745c02b0d25538a9d1733ed4deec5
SHA1 hash: d14325342197a34125ed7d7da114c4dab28e9b57
MD5 hash: 6217729a551773d6f2406c7edad29fed
humanhash: lemon-fix-nitrogen-red
File name:vbc.exe
Download: download sample
Signature Formbook
File size:856'064 bytes
First seen:2022-08-01 14:30:00 UTC
Last seen:2022-08-02 10:09:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 26f43e7e5cabbf54a110a27c93529aa0 (1 x Formbook, 1 x DBatLoader)
ssdeep 12288:h9t152pZSK8XmAl1kkzRYePVeghTXSmDm1BeIDQs+dZHcFE3Z2VrJTe:f/QmLl1kklYePpZ/DOBeIDQPd52Ep8r
Threatray 14'479 similar samples on MalwareBazaar
TLSH T194058D6AA2D08237D0975E785D0753E8582B7D503E78A84A2AED3D4C5F377813D2A3B3
TrID 68.5% (.OCX) Windows ActiveX control (116521/4/18)
8.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
7.7% (.SCR) Windows screen saver (13101/52/3)
6.1% (.EXE) Win64 Executable (generic) (10523/12/4)
2.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 33f0d8f6b694d031 (6 x DBatLoader, 1 x Formbook, 1 x ModiLoader)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
document_office.doc
Verdict:
Malicious activity
Analysis date:
2022-08-02 10:07:51 UTC
Tags:
trojan opendir exploit CVE-2017-11882 loader 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
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger packed
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:
DBatLoader, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
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 domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 676733 Sample: vbc.exe Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 36 www.uptrendcert.com 2->36 38 td-balancer-199-15-163-148.wixdns.net 2->38 40 3 other IPs or domains 2->40 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 3 other signatures 2->60 10 vbc.exe 1 18 2->10         started        signatures3 process4 dnsIp5 52 morientlines.com 103.11.189.121, 443, 49732, 49735 VODIEN-AS-AP-LOC2VodienInternetSolutionsPteLtdSG Singapore 10->52 34 C:\Users\Public\Librariespfokx.exe, PE32 10->34 dropped 68 Writes to foreign memory regions 10->68 70 Allocates memory in foreign processes 10->70 72 Creates a thread in another existing process (thread injection) 10->72 74 Injects a PE file into a foreign processes 10->74 15 cleanmgr.exe 1 10->15         started        file6 signatures7 process8 signatures9 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 18 explorer.exe 2 15->18 injected process10 dnsIp11 42 www.degreecollege.sbs 18->42 44 www.animegi.com 18->44 46 parkingpage.namecheap.com 198.54.117.215, 49767, 80 NAMECHEAP-NETUS United States 18->46 62 System process connects to network (likely due to code injection or exploit) 18->62 22 msdt.exe 18->22         started        25 Epfokx.exe 14 18->25         started        28 Epfokx.exe 15 18->28         started        signatures12 process13 dnsIp14 64 Modifies the context of a thread in another process (thread injection) 22->64 66 Maps a DLL or memory area into another process 22->66 48 morientlines.com 25->48 30 cleanmgr.exe 25->30         started        50 morientlines.com 28->50 32 cleanmgr.exe 28->32         started        signatures15 process16
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2022-08-01 14:28:49 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader persistence trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Uses the VBS compiler for execution
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
df5188834ad47e3f01711c40fa863a1117e26df67fbe7bb116d9f3721dd4449e
MD5 hash:
6381d1e28338c4262a7bbe4e1f3fc66d
SHA1 hash:
8f8ab1deb41db7a0a74ef63dafe9b51a8e02e68c
SH256 hash:
da66d2f930b291f3f065faa17bc87f4a68de14a6eb227b2b9f5a68d9bf6b475f
MD5 hash:
6217729a551773d6f2406c7edad29fed
SHA1 hash:
d14325342197a34125ed7d7da114c4dab28e9b57
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

  
Delivery method
Other

Comments