MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0fa6a4c743b56f5f3a08e40efabe0e5d895fab2601f2368c97c936c1a1dad67. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0fa6a4c743b56f5f3a08e40efabe0e5d895fab2601f2368c97c936c1a1dad67
SHA3-384 hash: 991865e7b3a0b63af876b9a2c2167d8b956aaffb9731322283708c49e52655d318b0510e1301750d6c0d8344b11f6732
SHA1 hash: a7d09e98617fc50663fe8443eb65ea3eb9417407
MD5 hash: bd5db679b195513ca32cf997ab08aa37
humanhash: virginia-tennis-delaware-may
File name:Product Specification.exe
Download: download sample
Signature Formbook
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File size:662'528 bytes
First seen:2020-10-28 08:10:10 UTC
Last seen:2020-10-28 09:54:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:xQEVh62rnlUq8+Gxijfphuc0sOb7tWObcQfxW5eFGiggDfs4kpUHDDfM10gbLpKY:pVh62xUXuf+pQDQfxP0jgiYfMGgbIZk
TLSH 2FE4C0C2B41031C5EA290A319833DD5425B75D7E6970A05EA49EFB6EFA733C31C1E8DA
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

From: SAMAN <ads.annna@yandex.com>
Subject: PRODUCT SPECIFICATION
Attachment: Products Specification.zip (contains "Product Specification.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80338/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.42990.22657.928.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514723
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
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
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 306480 Sample: Product Specification.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 32 www.learnenglishinchinese.com 2->32 34 learnenglishinchinese.com 2->34 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 5 other signatures 2->48 11 Product Specification.exe 2->11         started        signatures3 process4 signatures5 58 Hides threads from debuggers 11->58 60 Injects a PE file into a foreign processes 11->60 14 Product Specification.exe 11->14         started        17 WerFault.exe 23 9 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.bestpriceslabstorage.com 116.193.76.146, 49741, 80 QTSC-AS-VNQuangTrungSoftwareCityDevelopmentCompanyVN Viet Nam 19->36 38 www.cvhtv.com 19->38 40 www.chaserabenn.com 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 explorer.exe 19->23         started        26 autoconv.exe 19->26         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c0fa6a4c743b56f5f3a08e40efabe0e5d895fab2601f2368c97c936c1a1dad67/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 01:56:46 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yd5gutduhnlpl45arzao7k7a4xmjl6vsmapsg2gjpsjwygq5vvtq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-kqpbytgrtn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fraudcast.net/om3g/
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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip f69739c57437b26252ce398a80ce9724097a21e8e11a40276c46684ed4e8c1bc

Formbook

Executable exe c0fa6a4c743b56f5f3a08e40efabe0e5d895fab2601f2368c97c936c1a1dad67

(this sample)

  
Dropped by
MD5 644143c1e26b893fba492143be9c18ad
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f69739c57437b26252ce398a80ce9724097a21e8e11a40276c46684ed4e8c1bc
Cape
Cape
https://www.capesandbox.com/analysis/80338/

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