MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8ca257b6bbb8a0b617611a8ddb0068f056f3dc38eb525495978632b03964380. 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 3 File information Comments
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SHA256 hash: f8ca257b6bbb8a0b617611a8ddb0068f056f3dc38eb525495978632b03964380
SHA3-384 hash: 4aa3e6d6437532a6f8fb273ec198c195adc0c9a15c8a2b9972b2831b008558436c58162ab8dab6058295025760678b74
SHA1 hash: b571217f877106966f056526c0fdb0068ebfcbff
MD5 hash: 2e2de2014ccb06fea1b50414f5e301e6
humanhash: eleven-florida-seventeen-enemy
File name:NEW ORDER SOR 10531220.exe
Download: download sample
Signature Formbook
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File size:929'792 bytes
First seen:2021-05-12 05:40:54 UTC
Last seen:2021-05-12 06:02:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zIIJQXHDDlVMhFhuEMCfWYwINNmBC/eXz2f:zIDZGhPzMCeKiUeXzi
Threatray 5'122 similar samples on MalwareBazaar
TLSH 2C15023633ACAFA6F57E9B7D5820018817F8E506E311E74E7EA909DE0861F4147A2F46
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
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Sanesecurity.Rogue.0hr.20210511-1702.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779455
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411847 Sample: NEW ORDER SOR 10531220.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 11 other signatures 2->43 10 NEW ORDER SOR 10531220.exe 3 2->10         started        process3 file4 29 C:\Users\...29EW ORDER SOR 10531220.exe.log, ASCII 10->29 dropped 13 NEW ORDER SOR 10531220.exe 10->13         started        16 NEW ORDER SOR 10531220.exe 10->16         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 18 explorer.exe 13->18 injected process7 dnsIp8 31 www.chjcsc.com 172.255.115.89, 49725, 80 LEASEWEB-USA-SFO-12US United States 18->31 33 www.theglasshousenyc.com 18->33 35 2 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Uses netsh to modify the Windows network and firewall settings 18->47 22 netsh.exe 18->22         started        signatures9 process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f8ca257b6bbb8a0b617611a8ddb0068f056f3dc38eb525495978632b03964380/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-05-11 13:31:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
15 of 29 (51.72%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7dfck63lxofawylwcgun3magr4cw6podr22skskzpbrswa4wioaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5f05f0816898db3798aaa6722cfbd0f625a0eac271b72d0b8c295fa056dff733
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
7f81bdd235dca279812a46cec7f585bde9d681906dba1398e8ac86dfc877d079
Formbook
83fed765d229173fedc6811b521cebdfcec3342713679a57d49188ba554c00fb
Formbook
9e393967e94c1f667955493b1b23f0b74c732a46c4eaa04d6e13a51c33a17ab9
Formbook
b03f6bc5eec0f24076b3ef2c761b21d75c489ad34c5f94dcffab6d2b4d65263f
Formbook
cc7b066e0fa912d406c27790458ad6feb171b27275b6e3fe46b7a7574da7bfce
Formbook
cdcb4d8c4292e945bd519f6d50039a4f5fc933b909eacd6ac1286fbf1ff2142a
Formbook
e8baf97ad51faed006287d1f01f921df0f677d4f056d35697158d30aa24ace9b
Formbook
f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25
Formbook
+ 5'112 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210512-56pz486jzj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.magnumopuspro.com/nyr/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f8ca257b6bbb8a0b617611a8ddb0068f056f3dc38eb525495978632b03964380

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

rar 5ea433ec87dd82adb35c34cd53d30ae3e796b70bb6ddd98d6d7dd5de49faa147

Formbook

Executable exe f8ca257b6bbb8a0b617611a8ddb0068f056f3dc38eb525495978632b03964380

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5ea433ec87dd82adb35c34cd53d30ae3e796b70bb6ddd98d6d7dd5de49faa147

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