MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9
SHA3-384 hash: 74a37a5e7c822c872827de60c6d1c831f379bf4ca443d99d7e9363797fc64b464c7ebf06cf08c46a3f0d4aa20d9af2d1
SHA1 hash: 8be561d30aeb54c92c11c8ca596b7c5ede116d5e
MD5 hash: 7ee3aefcec5103d6aa10f8e83ee5789e
humanhash: nitrogen-april-river-artist
File name:Purchase Inquiry&Product Specification.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:437'852 bytes
First seen:2021-05-25 06:20:33 UTC
Last seen:2021-05-25 08:37:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:osq3R1GCll6JG7NDa+NMqQzEHYb32JBDe:6B1TkJSa+Nv4p
Threatray 5'387 similar samples on MalwareBazaar
TLSH 8D94252A7E49C43EC450C8BCD63D82927D65C29B51ACFACDD2D544ACB0167D3BA2E93C
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161649/
Detection(s):
PUA.Win.Trojan.Casino-141
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/791569
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 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 dnsIp2 2 Behavior Graph ID: 423965 Sample: Purchase Inquiry&Product Sp... Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 31 www.endaride.com 2->31 33 endaride.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 Purchase Inquiry&Product Specification.exe 21 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 57 Maps a DLL or memory area into another process 11->57 15 Purchase Inquiry&Product Specification.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 theratlife.com 192.254.185.70, 49760, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 www.redingardensh.com 154.86.39.23, 49770, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->37 39 24 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 systray.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ezbp5t7s3mrmhvxkvce5qogvf66xmwwuvgufpkwlfy5nmra7sheq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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1265cd7cd52561d0e688f2ea1a8a9c8ed712b4f6fb82e253424f9a6cdad5d995
Formbook
1f608cb60e33615fb8a94a9d240d27cf99bbe344e24a486ed3311623611930a0
Formbook
2833ffeca48c46759cb0d4c984e81a9b69614c368bf0052600786e55fd534d67
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546a357750ec3b4f5f238d7e1e273f336d11c6ea5ef51976243e1fa1a8e335ec
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6a708470ee13d86b51352b69e755a9bcbd2730ecef34133dd1b5ed10b95f56a3
Formbook
b36a2901bfafd8723bfddd0388f65b0a46237b063ca33edbf773bb589f929981
Formbook
ddd0a01812b2dba3e3373a246180349b74f3301ba3e218a81144785a13d8cad5
Formbook
e66332c1c306b3072699f986229b07b6230edf4b46b5b46a2e535621be13021f
Formbook
f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
Formbook
f782375e80f3a68b36457886ac1c6490e2497e6c9fb3ffdb33c1679597f0770e
Formbook
+ 5'377 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210525-fhrdqp9jl6/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.cozinhablog.com/cu6s/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

Executable exe 2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/161649/

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