MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400
SHA3-384 hash: 882dcc378b993188cdbb48b74c1fffa4fbdf743dd3b101f1a9e6e87bce99451148266e94a2228aabdd38fce527f46ff6
SHA1 hash: b87aa007f7bae56e8b34ebbcfc58d2fbbf0f25fe
MD5 hash: 92a3bfc56047114baf8e52d4c0a7dbe7
humanhash: music-nitrogen-victor-golf
File name:RFQ2610204.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'797'632 bytes
First seen:2023-10-31 13:07:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 49152:6NnN64pBAqbf39/7V5Vq1MT4sJnzjZtzpCcfQVu3tLjojZ9BLy:qnNpBbPn5ViMP5568/oFLy
TLSH T1B7853352BAFDAFB2D8A0CC35993091D4586A7C865432C31DB5906F8EAB4C4DB1680F7F
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4505/5/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
355
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457383/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22109.30903.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6540fc32a6fa5eab936bae00/reports/ab31e4f7-fc22-4c95-9322-6569119699b6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400
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/1dae7b5f-4041-4cb4-b0eb-602d784714af
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334880
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334880 Sample: RFQ2610204.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 34 www.zjdgn.xyz 2->34 36 www.victorviera.com 2->36 38 16 other IPs or domains 2->38 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 10 RFQ2610204.exe 3 2->10         started        13 SkypeApp.exe 13 40 2->13         started        signatures3 process4 signatures5 54 Uses ping.exe to check the status of other devices and networks 10->54 15 notepad.exe 10->15         started        18 calc.exe 10->18         started        20 PING.EXE 10->20         started        22 cmd.exe 10->22         started        process6 signatures7 64 Maps a DLL or memory area into another process 15->64 24 ZzGhXbsvVvxk.exe 15->24 injected process8 process9 26 PATHPING.EXE 13 24->26         started        signatures10 56 Tries to steal Mail credentials (via file / registry access) 26->56 58 Tries to harvest and steal browser information (history, passwords, etc) 26->58 60 Writes to foreign memory regions 26->60 62 3 other signatures 26->62 29 ZzGhXbsvVvxk.exe 26->29 injected 32 firefox.exe 26->32         started        process11 dnsIp12 40 www.degreefinder.xyz 199.59.243.225, 49756, 49757, 49758 BODIS-NJUS United States 29->40 42 www.zfzrsqfw.net 168.76.254.146, 49730, 49731, 49732 ULTRANETSERVICOSEMINTERNETLTDABR South Africa 29->42 44 6 other IPs or domains 29->44
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 21:43:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fd2g3e3nx4gguj4zhjedyafw3o7iuf7zoun6tmhpwzl5sw2nsqaa._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231031-qc7lkagb8t/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400
MD5 hash:
92a3bfc56047114baf8e52d4c0a7dbe7
SHA1 hash:
b87aa007f7bae56e8b34ebbcfc58d2fbbf0f25fe
Link:
https://www.unpac.me/results/e41f4d72-cd2b-4d16-98da-5a497587b2ca/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28f46d936dbf/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/28f46d936dbf0c6a27993a483c00b6dbbe8a17f9751be9b0efb657d95b4d9400

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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_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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/457383/

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