MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec
SHA3-384 hash: c6d4d2db3b753158a0a5fef73dafd11f1bcb960de6236ea63e6d646bd8a8026645062473ca9e18146d0f93199d0da898
SHA1 hash: f1ad75cc3ecf8f512b8374695eec1276abf3d01e
MD5 hash: 86d96d15fe782414ff9fa093053b338c
humanhash: virginia-oregon-monkey-pasta
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:46'080 bytes
First seen:2022-06-21 20:56:00 UTC
Last seen:2022-06-21 22:47:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:wwKlptITzDIdnx5vi1uMRIGCh9Nf7oSFYwQjXvLWRgcL0ST8iNxy2Z:jKl6MxZi1ihf97QWRgcL9HNxvZ
TLSH T1F2239E17FA6C8664D6A4473BCDE396840FB1E1939813DE1AF48923553D033F2C947AAB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282111/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.1997.8948.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b230677e9a4f0a86d2bdaf/reports/16225469-1da4-41ed-863a-62238385fb04/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4597fce8-0b84-4bf8-bd8b-9bbc64145460
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017501
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 649997 Sample: Quotation.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 18 Snort IDS alert for network traffic 2->18 20 Multi AV Scanner detection for domain / URL 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 7 other signatures 2->24 7 Quotation.exe 15 3 2->7         started        process3 dnsIp4 16 gen-l.tk 192.185.174.180, 49719, 80 UNIFIEDLAYER-AS-1US United States 7->16 10 cmd.exe 1 7->10         started        process5 process6 12 conhost.exe 10->12         started        14 timeout.exe 10->14         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 17:53:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qm54twatnom3rhx63ylgbbnvl4pykudc2jbjwmw56expacbcthwa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:yy48 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-zqz83sdbdp/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec
MD5 hash:
86d96d15fe782414ff9fa093053b338c
SHA1 hash:
f1ad75cc3ecf8f512b8374695eec1276abf3d01e
Link:
https://www.unpac.me/results/210fbe3e-7d0b-4d1c-8c35-74413d824ce3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/833bc9d8136b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec

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.

Malspam

Formbook

Executable exe 833bc9d8136b99b89efede166085b55f1f855062d2429b32ddf12ef0082299ec

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282111/

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