MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90a94255c2017221edd00cc99acd98a33e112e1182d9fd146d6a4ad9aa96921e. 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



GuLoader


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 90a94255c2017221edd00cc99acd98a33e112e1182d9fd146d6a4ad9aa96921e
SHA3-384 hash: afd107803c33aaab341d926c1af0b455762804c65ba1aa07c41f37f535326002fa9860849dcaf24425396eb2928ac669
SHA1 hash: e1c22e4bfaffe9772e81590b255f82824ca56a72
MD5 hash: 36f52d915df68631a4b713f15021c4d6
humanhash: sad-mountain-ohio-ceiling
File name:SecuriteInfo.com.Fareit-FST36F52D915DF6.4070
Download: download sample
Signature GuLoader
File size:126'976 bytes
First seen:2020-08-27 20:22:59 UTC
Last seen:2020-08-27 20:32:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 43809c72e09a392e704e0c341620c120 (1 x GuLoader)
ssdeep 3072:rfEcuDynEEXaT+jHotk3PV55hkXuzdHOM5gG:rscuDXGjIS3PV6UuM
Threatray 3'475 similar samples on MalwareBazaar
TLSH C8C38C076D4DC382E00109F17C638E6D3A27AA0C9C81AE7F6146AECFED752526DDA51F
Reporter SecuriteInfoCom
Tags:GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
FormBook GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious values (likely registry only malware)
Hides threads from debuggers
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 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 Any.run
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278883 Sample: SecuriteInfo.com.Fareit-FST... Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 5 other signatures 2->70 12 SecuriteInfo.com.Fareit-FST36F52D915DF6.exe 1 2 2->12         started        15 wscript.exe 2->15         started        17 wscript.exe 2->17         started        process3 signatures4 108 Creates autostart registry keys with suspicious values (likely registry only malware) 12->108 110 Contains functionality to detect hardware virtualization (CPUID execution measurement) 12->110 112 Tries to detect Any.run 12->112 114 3 other signatures 12->114 19 SecuriteInfo.com.Fareit-FST36F52D915DF6.exe 4 12->19         started        23 Morningsu.exe 2 15->23         started        25 Morningsu.exe 2 17->25         started        process5 file6 54 C:\Users\user\AppData\Local\...\Morningsu.exe, PE32 19->54 dropped 56 C:\Users\user\AppData\Local\...\Morningsu.vbs, ASCII 19->56 dropped 72 Tries to detect Any.run 19->72 74 Hides threads from debuggers 19->74 27 Morningsu.exe 2 19->27         started        30 Morningsu.exe 7 23->30         started        33 Morningsu.exe 7 25->33         started        signatures7 process8 dnsIp9 90 Antivirus detection for dropped file 27->90 92 Multi AV Scanner detection for dropped file 27->92 94 Contains functionality to detect hardware virtualization (CPUID execution measurement) 27->94 96 Tries to detect virtualization through RDTSC time measurements 27->96 35 Morningsu.exe 7 27->35         started        60 wtstransit.com.sg 30->60 98 Modifies the context of a thread in another process (thread injection) 30->98 100 Tries to detect Any.run 30->100 102 Maps a DLL or memory area into another process 30->102 62 wtstransit.com.sg 33->62 104 Sample uses process hollowing technique 33->104 106 Hides threads from debuggers 33->106 signatures10 process11 dnsIp12 58 wtstransit.com.sg 172.67.203.253, 443, 49737, 49738 CLOUDFLARENETUS United States 35->58 76 Modifies the context of a thread in another process (thread injection) 35->76 78 Tries to detect Any.run 35->78 80 Maps a DLL or memory area into another process 35->80 82 2 other signatures 35->82 39 explorer.exe 35->39 injected signatures13 process14 process15 41 cmstp.exe 39->41         started        44 wscript.exe 39->44         started        46 autochk.exe 39->46         started        48 raserver.exe 39->48         started        signatures16 84 Modifies the context of a thread in another process (thread injection) 41->84 86 Maps a DLL or memory area into another process 41->86 88 Tries to detect virtualization through RDTSC time measurements 41->88 50 cmd.exe 41->50         started        process17 process18 52 conhost.exe 50->52         started       
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-27 20:24:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

GuLoader

Executable exe 90a94255c2017221edd00cc99acd98a33e112e1182d9fd146d6a4ad9aa96921e

(this sample)

  
Delivery method
Distributed via web download

Comments