MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba. 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


Tofsee


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
SHA3-384 hash: a9811d9853dfcc7671f5a97ebffd87c4eb51c6b23fa477bf736750406b110fc7f1ee878c8dc708784305b3587bfddb1a
SHA1 hash: a34ffb1a425c9e88aebc19b3049c49f95995f7d9
MD5 hash: 383283d557f564b7298c33e5d93dead3
humanhash: beryllium-fruit-michigan-pluto
File name:8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
Download: download sample
Signature Tofsee
Create hunting rule
File size:14'928'384 bytes
First seen:2020-11-09 21:59:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c18218eed128fc50ed21df0c8227c3b (4 x NetWire, 4 x Tofsee)
ssdeep 196608:Jffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff/:
Threatray 13 similar samples on MalwareBazaar
TLSH 07E6F6507EE8E655E5E34D3C4874D2B41137FCAAE820C94AF0D87F0B39F2AA06691797
Reporter seifreed
Tags:Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Generic-9784683-0
Create hunting rule

Win.Packed.Generickdz-9784859-0
Create hunting rule

Win.Dropper.Tofsee-9785157-0
Create hunting rule

Win.Packed.Generickdz-9785340-0
Create hunting rule

Win.Packed.Generickdz-9785864-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Launching the process to change the firewall settings
DNS request
Creating a file in the Windows subdirectories
Sending a custom TCP request
Enabling autorun for a service
Sending a TCP request to an infection source
Unauthorized injection to a system process
Deleting of the original file
Adding exclusions to Windows Defender
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/527395
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312788 Sample: lV5DiqYY9P Startdate: 10/11/2020 Architecture: WINDOWS Score: 96 42 Antivirus detection for dropped file 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 3 other signatures 2->48 7 lV5DiqYY9P.exe 2 2->7         started        11 svchost.exe 2->11         started        14 svchost.exe 1 2->14         started        process3 dnsIp4 38 C:\Users\user\AppData\Local\...\ckzdqoxx.exe, PE32 7->38 dropped 50 Detected unpacking (changes PE section rights) 7->50 52 Detected unpacking (overwrites its own PE header) 7->52 16 cmd.exe 1 7->16         started        18 cmd.exe 2 7->18         started        20 sc.exe 1 7->20         started        28 15 other processes 7->28 40 192.168.2.1 unknown unknown 11->40 22 WerFault.exe 11->22         started        24 WerFault.exe 11->24         started        26 WerFault.exe 11->26         started        30 12 other processes 11->30 file5 signatures6 process7 process8 32 conhost.exe 16->32         started        34 conhost.exe 18->34         started        36 conhost.exe 20->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 22:39:14 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvsbcctx5wp6fwkfjalgndmv5uaaiqvdjo2vrsqei7v5rqelgc5a._file
Verdict:
malicious
Similar samples:
0c3080ef33448167fc2b858db5ec7b2e4705cb12ca57119088892459ea0cc832
Tofsee
0e4e902b30a99c179a586c7fd3e27b1fe0b7f1cf5397cb4ee9f056a4fa547b5b
Tofsee
587f79f301d6ca9ad6a02642cf6ebfbce12b3eaa524ecd67834ca1314447c4da
Tofsee
8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
Tofsee
af21217ee5523873bc4ee3b262ce06a371a1095abfea9729e3413cf9da1a0cab
Tofsee
ba227cfc4b73372ffcd726cf935645bd691e4e6c084eade585f73e15d1f649aa
Tofsee
cdbda4f45e8cb4d6117bcd21304c66a78bcb73f840f48d8e523e76e5b0b57582
Tofsee
f5c60cf3334fc3093cb2b7b6bcfa480bf87a74b4edd8830b97c1ee3b3e66cefd
Tofsee
f6a6b1887797aa19c0eeb48b1c615d1833d2d309c92688821b2405e0fc4432ec
Tofsee
fff57207bf2d6326bc580cd9788e36ec52437e472d26d49c015685525415d7ee
Tofsee
+ 3 additional samples on MalwareBazaar
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee evasion persistence trojan
Link:
https://tria.ge/reports/201109-xngj6d3d22/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Launches sc.exe
Drops file in System32 directory
Modifies service
Suspicious use of SetThreadContext
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Tofsee
Windows security bypass
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/8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba

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:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MINER_monero_mining_detection
Create hunting rule
Author:Christiaan Beek | McAfee ATR Team
Description:Monero mining software
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:XMRIG_Miner
Create hunting rule
Rule name:XMRIG_Monero_Miner
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information

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

  
Delivery method
Other

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