MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 899f6e35cd5d54ccc7c6dadd6fa35a719a1ec6a1a19a6df0e49b252491d03fd6. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 899f6e35cd5d54ccc7c6dadd6fa35a719a1ec6a1a19a6df0e49b252491d03fd6
SHA3-384 hash: 30b5534f57dc168868458f233c3fed683c1dc84fdedd902c4f855a319289874f44558bfeabf5b081d08c8bd987c6f4be
SHA1 hash: 389bece84c2442425382dc8266015301540ef83d
MD5 hash: 293092c7d20808dcd3ab643ec169ae4e
humanhash: finch-triple-finch-summer
File name:Data Specifications.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:218'112 bytes
First seen:2020-10-28 08:07:55 UTC
Last seen:2020-10-28 09:53:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 3072:aNFvykng28hXCN/wMwjS/i03u2zQl4PNcXKofMp1QcPTF:9d2dUEn
TLSH 392419C2B40411E5F9291B3170378D6512B76EBE6AB5605D785DFB3336B32D3082ECAA
Reporter abuse_ch
Tags:exe FormBook SendGrid


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: xtrwrbvc.outbound-mail.sendgrid.net
Sending IP: 167.89.91.140
From: ROHAN H.BHEKE(Sales Asst)<ads.annna@yandex.com>
Subject: SHREE SAINATH ENTERPRISES: Inquiry For Quotation.
Attachment: RFQ28.10.2020.zip (contains "Data Specifications.exe")

Intelligence

File Origin
# of uploads :
3
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Dtloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80335/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44239831.26763.9247.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
DNS request
Sending a UDP request
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Launching the default Windows debugger (dwwin.exe)
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514708
Signature
Antivirus / Scanner detection for submitted sample
Hides threads from debuggers
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 306463 Sample: Data Specifications.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 6 other signatures 2->46 10 Data Specifications.exe 15 2 2->10         started        process3 dnsIp4 38 ahgwqrq.xyz 172.67.142.40, 443, 49716 CLOUDFLARENETUS United States 10->38 50 Hides threads from debuggers 10->50 14 Data Specifications.exe 10->14         started        17 timeout.exe 1 10->17         started        19 WerFault.exe 23 9 10->19         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 34 target.clickfunnels.com 104.16.14.194, 49732, 80 CLOUDFLARENETUS United States 21->34 36 www.hannahshealthyhormones.com 21->36 48 System process connects to network (likely due to code injection or exploit) 21->48 27 wscript.exe 21->27         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 27->52 54 Maps a DLL or memory area into another process 27->54 56 Tries to detect virtualization through RDTSC time measurements 27->56 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/899f6e35cd5d54ccc7c6dadd6fa35a719a1ec6a1a19a6df0e49b252491d03fd6/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 02:35:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgpw4nonlvkmzr6g3low7i22ognb5rvbugng34hetmssjeoqh7la._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-d2sbppe4yj/
Behaviour
Delays execution with timeout.exe
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.habibistech.com/gcvp/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/899f6e35cd5d54ccc7c6dadd6fa35a719a1ec6a1a19a6df0e49b252491d03fd6

File information

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

Malspam

Formbook

zip c65ffe02b3ad54914b64982d0cc47103c5ab42336bef6856e9b083a512666fca

Formbook

Executable exe 899f6e35cd5d54ccc7c6dadd6fa35a719a1ec6a1a19a6df0e49b252491d03fd6

(this sample)

  
Dropped by
MD5 b97cdb8bc36bc4766c34f38f2a6bea98
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c65ffe02b3ad54914b64982d0cc47103c5ab42336bef6856e9b083a512666fca
Cape
Cape
https://www.capesandbox.com/analysis/80335/

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