MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b27efb944c0ae010e37802100d54b4087e24d26edab13468f88add30a6586e5b. 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 2 File information Comments
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SHA256 hash: b27efb944c0ae010e37802100d54b4087e24d26edab13468f88add30a6586e5b
SHA3-384 hash: 6c6d237c7268518a09f3a32d1cef5bf9de539ccf9b81e8f91b649e15145b1f259b266cf35ee04cee9660ac21b7d99968
SHA1 hash: 2ab10b9925855ee6a4c3f4aff35ada24a6893e6c
MD5 hash: 4b8e3ec33a9ab722806c8f8141a25e34
humanhash: beryllium-juliet-speaker-glucose
File name:210503_McDermott_NFE_RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:532'480 bytes
First seen:2021-05-26 07:32:49 UTC
Last seen:2021-05-26 09:19:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:SsL385ghCWIxJyUAr2j9wfTiWqt8OSZAk47I475:SYoghUObrNqt8Oj7I4d
Threatray 5'188 similar samples on MalwareBazaar
TLSH 62B4CF2327D05BE1D5BCA7755178245063F0F59BE321C77E3EA802ED8AA1F4A632B712
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162253/
Detection(s):
SecuriteInfo.com.Artemis4B8E3EC33A9A.7742.6280.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created 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/792415
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 424811 Sample: 210503_McDermott_NFE_RFQ.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 4 other signatures 2->59 11 210503_McDermott_NFE_RFQ.exe 15 6 2->11         started        process3 file4 37 C:\Users\user\AppData\Roaming\invoice.exe, PE32 11->37 dropped 39 C:\Users\user\...\invoice.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\...\210503_McDermott_NFE_RFQ.exe.log, ASCII 11->41 dropped 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->69 15 invoice.exe 14 3 11->15         started        19 cmd.exe 1 11->19         started        signatures5 process6 dnsIp7 43 192.168.2.1 unknown unknown 15->43 45 Multi AV Scanner detection for dropped file 15->45 47 Machine Learning detection for dropped file 15->47 49 Tries to detect virtualization through RDTSC time measurements 15->49 51 2 other signatures 15->51 21 invoice.exe 15->21         started        24 conhost.exe 19->24         started        26 reg.exe 1 1 19->26         started        signatures8 process9 signatures10 61 Modifies the context of a thread in another process (thread injection) 21->61 63 Maps a DLL or memory area into another process 21->63 65 Sample uses process hollowing technique 21->65 67 Queues an APC in another process (thread injection) 21->67 28 explorer.exe 21->28 injected process11 process12 30 msiexec.exe 28->30         started        signatures13 71 Tries to detect virtualization through RDTSC time measurements 30->71 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b27efb944c0ae010e37802100d54b4087e24d26edab13468f88add30a6586e5b/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 02:35:06 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wj7pxfcmblqbby3yaiia2vfubb7cjuto3kyti2hyrlotbjsynznq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63
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2dd1a191789c0c1c524360cb9750eb20280de0afbc9f1830a75557dd47988808
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5101663e1850401504dd1e56231725be9a3001ed01e99fa88d348b9511c52f4d
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718c39e3856531aa6e7a97e805911b001e035e773661129f6877deb00e732201
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ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd
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e201b3df224d420fa5b779c90fc817b7ad6d791841fdf54f873daf7d6435b3c2
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e65caef5b39ea27f95b2514c5d347df7a6e50e8d3886b2112b5db266769fcc71
Formbook
e66332c1c306b3072699f986229b07b6230edf4b46b5b46a2e535621be13021f
Formbook
+ 5'178 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader agilenet loader persistence rat
Link:
https://tria.ge/reports/210526-lmd6pshe32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.impuestohipoteca.com/e9j8/
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/b27efb944c0ae010e37802100d54b4087e24d26edab13468f88add30a6586e5b

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/162253/

Comments