MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4da679e366dc987277f7850f71d5343e7c9b8cff4b2df89dd2f335f512de62c1. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 4da679e366dc987277f7850f71d5343e7c9b8cff4b2df89dd2f335f512de62c1
SHA3-384 hash: c91bc37bb5c654aa9577b866307983cd13c0dfd8693c7dca1e926a74f4d01594ba6e5916932652d98fd5657628e2b94a
SHA1 hash: ae04a776afb96ba6da6a5928b299ff24a28a3ea3
MD5 hash: 18d071af176d03b7611afe4d60b9cac9
humanhash: carolina-one-nebraska-missouri
File name:netwire.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'148'928 bytes
First seen:2021-05-24 13:13:49 UTC
Last seen:2021-05-24 14:02:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lnNBynk0jsvVEmd3zXpYH1VRdyzqa/VeCfLc:dqjsntOH1VbaNLLc
Threatray 5'445 similar samples on MalwareBazaar
TLSH 563516DC5E5AB51AC06DD27431D040BFD353DF3320B9AAA69AC3EBC95717E4078812AE
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_-_001__1_.xlsx
Verdict:
Malicious activity
Analysis date:
2021-05-24 05:43:15 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/f5f21afc-8232-4540-92ae-2d27dff207e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161474/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.760.12093.1743.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP 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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/790367
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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 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: 422763 Sample: netwire.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 31 www.trendbold.com 2->31 33 www.hfjxhs.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 8 other signatures 2->47 11 netwire.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\netwire.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 netwire.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 vectoroutlines.com 198.54.126.105, 49757, 80 NAMECHEAP-NETUS United States 18->35 37 cleanxcare.com 78.31.67.91, 49740, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 18->37 39 20 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 control.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
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Link:
https://mwdb.cert.pl/sample/4da679e366dc987277f7850f71d5343e7c9b8cff4b2df89dd2f335f512de62c1/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2021-05-24 09:44:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14b95763e86e899de22402ae2d7204ff7d9ceab85a12a1599a6c8d5964fa306a
Formbook
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
4effc832d17d1b4d00e5b98bda9954f7c2684795db2451d4c2f056c84a0eff18
Formbook
7fba034b2f0aa5f549bda067c80b6494a02ea3d96e70e13701845bcfe7ade5e7
Formbook
9c335d547092d063a6bc46441486d5336c62818b648139ab92839e30ef230c4a
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
e849c7a7302e028b74f1f8d4c4bf715db8fde7fdb80747a4b791d7a3fde9d5e4
Formbook
e9a4a4d52dd0fa4d9536ef486a5a9e2213ca76c0edeb7be6a118e9c65571d37a
Formbook
f3a5f73b6bef3d25071f3e2fb2f3c6402683d2770539e5b046bdc7b485ce3c0b
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 5'435 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210524-21n2cfpff2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4da679e366dc987277f7850f71d5343e7c9b8cff4b2df89dd2f335f512de62c1

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/161474/
  
URLhaus
https://urlhaus.abuse.ch/url/1277040/
  
URLhaus
https://urlhaus.abuse.ch/url/1278170/
  
URLhaus
https://urlhaus.abuse.ch/url/1278800/
  
URLhaus
https://urlhaus.abuse.ch/url/1278961/

Comments