MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056. 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
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SHA256 hash: fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
SHA3-384 hash: b55a9359bd6c0d736c07ffb958a700f05f1cb4e092293896cc580072393a8629d85fb47b955f547cfee53f3983a5633a
SHA1 hash: bda4c90f4bc98a958f7804350fc7bd44e92e2db9
MD5 hash: 69f4544bf1b3a1ddb227952c40afb80d
humanhash: pennsylvania-music-august-kansas
File name:fc425ppfURhm6b7.exe
Download: download sample
Signature Formbook
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File size:795'136 bytes
First seen:2022-02-07 09:27:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:t9x6YPQTXX1TauCdr7v9J+ce1chqKxMSphL+bkkWdZwuZvOO4R5+2c4fhCXyAGa5:r54TXluu8r7D6cn//L+xWd9vUP/
Threatray 13'093 similar samples on MalwareBazaar
TLSH T1F605DFAC3151B9EFC45BC93299683C60A63170B787CBC603A167129C9F9EA97DF044E7
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/234274/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6200e627fdec0968c37dfa93/reports/8ccc3f55-7b7e-47a9-abce-8fb486155f72/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/4439d40a-02e0-49cc-aa9e-9ad17b48dc11
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/935026
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 567503 Sample: fc425ppfURhm6b7.exe Startdate: 07/02/2022 Architecture: WINDOWS Score: 100 33 www.seowongoopain.com 2->33 35 www.dariven.com 2->35 37 seowongoopain.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 11 fc425ppfURhm6b7.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\fc425ppfURhm6b7.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 fc425ppfURhm6b7.exe 11->15         started        18 fc425ppfURhm6b7.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 39 kalpeshvasoya.com 162.220.166.110, 49829, 80 IS-AS-1US United States 20->39 41 wefundprojects.com 69.10.56.157, 49828, 80 IS-AS-1US United States 20->41 43 8 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cscript.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2022-02-07 09:28:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=73z4d7cxncktifq52zr36hfwhu7xfdoipswr5ssouf4a76ej2bla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10ff5c8bac827b012bc5b6f789e7c23913b662453cd0bcc7f3f5192260d7a950
Formbook
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
Formbook
37381387ba545bb59dfd52eca6574b037020b32ffb1eb9d97419791ac6832b2e
Formbook
4748460c7c757eda69a0340104939b382231567cf559315494901fe2b122900c
Formbook
58fb47124bf49f4190852baec863af03f73216cbba65c7eaa527f6ec6612e42b
Formbook
5da4b57909cb661822c8814842892c6ac54d9c259befd24241e16a8cb1d33ced
Formbook
dc6726c9222c4d86d9d1167ab0a6bea35dfa47f17963aa8e9f15c4fb855069b9
Formbook
dfbeb8125b12783be186e19392ac1f5a0dd449f826f50eceb786bd158a956dfd
Formbook
+ 13'083 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:wdc8 loader rat
Link:
https://tria.ge/reports/220207-lfebzaagg3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d3ca3783db4188399ea2066aa9ca230c85a75bd547346b1d112219ca65a64bf9
MD5 hash:
5bf0df3cfd245af38deaef08677615a8
SHA1 hash:
a7b2107c1db7306089a298406d032456f3a302b3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/69544979-9e5a-4ffa-981d-d77013751527/
Parent samples :
4ba337aa0663470b85d2b1b97713a219ea8c5d7ee7f5795dfc9017ae2b123e47
e34c0a8218be6d3783e8cd61b8040b6b39004ad34e68c1cdb2f123b636e6b274
1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
3356a1d5d011f9117000a3f5326a8eecc0fc0d9ba156af4f634891b19c63773b
d976d19fe98e25ad6fd2c13d26f7e46311feb08952a5913d00231806d6277c78
852d04f44d46f2a8f75ca8827232765a90c172da5f2e7d84acc919c41bc73856
9d144168607d4e6808be108cf349da625b911307dabab1ea645381a5473deb03
a70a717458c5147a02dca62c03c58d2e11e165180e683fa4755c719e6f9ad9c5
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
02ad8318feb2f8ce745e2cefa321f18d19b7ad72085664371033fada68bd6b91
3b326d59a151e3500563ad4ce6c86228508d9295f54e71c8160aec088752c994
bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/69544979-9e5a-4ffa-981d-d77013751527/
SH256 hash:
d4504fbcec46197b4346deee86bc8f4c034e3884c927e38022ee9762072eec7a
MD5 hash:
12a1d1f588b5a0c4daa098fb147e78b8
SHA1 hash:
15df4ca984094053ae13da1b7579bf9a7a8e1544
Link:
https://www.unpac.me/results/69544979-9e5a-4ffa-981d-d77013751527/
SH256 hash:
fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
MD5 hash:
69f4544bf1b3a1ddb227952c40afb80d
SHA1 hash:
bda4c90f4bc98a958f7804350fc7bd44e92e2db9
Link:
https://www.unpac.me/results/69544979-9e5a-4ffa-981d-d77013751527/
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: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.

Malspam

Formbook

Executable exe fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/234274/

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