MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934
SHA3-384 hash: bdcffde3c5b663c85203f0ba9675b61b2650048cee31444e33b618ffc338cde6c87f9ae8aab8771bdc2b91823abdbfc0
SHA1 hash: a74224a2f64d73fc4cc0a739fbc42b4d9f9f8df8
MD5 hash: 6242a5f710c22a75e71aa48b4e195e6d
humanhash: single-alabama-arizona-ohio
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:292'770 bytes
First seen:2023-04-18 10:51:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6xkl/8vjwMEguFPlGc6PiLTUsGyGBkF6sLRmJmsONEZ+Swc:/YjZ7uFNGc6a8hnkFVLRmAdY+Swc
Threatray 2'617 similar samples on MalwareBazaar
TLSH T1DE54125837B1D167D8B3077478B66F9A9DF5F119A8B4AA1F8B0066083D32582C92F363
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2023-04-18 10:54:01 UTC
Tags:
stealer formbook trojan
Link:
https://app.any.run/tasks/d0381ceb-80ae-4750-96b9-fcdf6df7e260

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/382983/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/80178/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/643e7654000396b4e9992cfa/reports/a2213dad-2bd5-4981-9cf0-99c77be1e6b6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b082df92-b998-4ce7-8d50-cbeb587dd960
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215863
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 848787 Sample: vbc.exe Startdate: 18/04/2023 Architecture: WINDOWS Score: 100 28 www.fclaimrewardccpointq.shop 2->28 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 3 other signatures 2->50 10 vbc.exe 19 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\mbqro.exe, PE32 10->26 dropped 13 mbqro.exe 10->13         started        process6 signatures7 64 Antivirus detection for dropped file 13->64 66 Multi AV Scanner detection for dropped file 13->66 68 Detected unpacking (changes PE section rights) 13->68 70 2 other signatures 13->70 16 mbqro.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 1 16->19 injected process10 dnsIp11 30 www.222ambking.org 91.195.240.94, 49705, 49706, 80 SEDO-ASDE Germany 19->30 32 www.shapshit.xyz 199.192.30.147, 49711, 49712, 80 NAMECHEAP-NETUS United States 19->32 34 10 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Performs DNS queries to domains with low reputation 19->54 23 explorer.exe 13 19->23         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-17 17:23:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msu6x2q5bdim6iyzharotixmq3vkwiuydseesltilj3hitbdze2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43
Formbook
3ab1320757d68dbf0e5eb5d31cf81247952c244bbfbda9466cd83d112efc2c72
Formbook
49c63fe83f7e41b112637d582cd180214acf60babf4cdd13a2629f9de3874fec
Formbook
987f477e626f57c4ba440be3016995b5b9d7365a422c0a1d9be524e4993def8a
Formbook
99c70511abddfe39ccaea3fd4cafb9bc382ebdf0bd8b9a9c8f18a178ef63e664
Formbook
aeb52b6f9b9f7b458048aa0eba6255840d1a90f4309f18c95acc0f3f4b972df3
Formbook
d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650
Formbook
d546617fa87ea382d7d36b61fa9a69e447bcc69f9bb366f52f3c1df3ebf9254f
Formbook
+ 2'607 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230418-myeacsah79/
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
b1aa628822039cee805256d6ce0f7b54c673c6fbb91f617871c2309b82f65431
MD5 hash:
0e8a6d9c499b943619049ab6ebe8c151
SHA1 hash:
d08587961890097b0019a8fcb7f167faca0d49f6
Link:
https://www.unpac.me/results/42446aa6-5dec-4d69-a29a-018995df7205/
SH256 hash:
64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934
MD5 hash:
6242a5f710c22a75e71aa48b4e195e6d
SHA1 hash:
a74224a2f64d73fc4cc0a739fbc42b4d9f9f8df8
Link:
https://www.unpac.me/results/42446aa6-5dec-4d69-a29a-018995df7205/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/64a9ebea1d08/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/64a9ebea1d08d0cf23193822e9a2ec86eaab22981c88492e685a76744c23c934

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/382983/

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