MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
SHA3-384 hash: 22a41d70b7033c87dabf5254c862363aa1e74cc273d62f0764077e076bee582123773e71b57f85ce10db35b4f43980f0
SHA1 hash: e692c1da2c13dd51ee36f3c9e9489cdd8a5405d2
MD5 hash: 5d549a0c28addb279414a94f04c3d64f
humanhash: lamp-muppet-helium-ceiling
File name:5d549a0c28addb279414a94f04c3d64f.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:297'984 bytes
First seen:2021-12-20 09:44:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e948cceb87d1cee17f7cbe2fd8362589 (1 x CryptBot, 1 x Tofsee)
ssdeep 6144:9SwiOawjkY2yQ68T0rGZkBMpke4cGfHlp:9fB3jkY2r6SFie4cUH
Threatray 184 similar samples on MalwareBazaar
TLSH T1CE549E00A7A0D435F5B722F8497AD7ADB53E7AB15B3490DB12C517EA5A34AE0DC3032B
File icon (PE):PE icon
dhash icon 2dac1378319b9b91 (29 x Smoke Loader, 23 x RedLineStealer, 22 x Amadey)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
686
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215424/
Detection(s):
Win.Malware.Generic-9916546-0
Create hunting rule

Win.Malware.Generic-9916547-0
Create hunting rule

Win.Dropper.Tofsee-9916790-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a service
Creating a file
Launching the process to change the firewall settings
Creating a process from a recently created file
Launching a service
Launching the default Windows debugger (dwwin.exe)
DNS request
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2726/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61c050638991ba72b38e4828/reports/e69f27e3-b47f-43fb-94f7-f93322ff5eba/overview
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.
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb990ee7-6f31-4c81-8345-3d58d496f685
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/910185
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542661 Sample: A23NoVnKvG.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 51 microsoft-com.mail.protection.outlook.com 2->51 57 Found malware configuration 2->57 59 Antivirus detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 8 other signatures 2->63 8 qqdezpuf.exe 2->8         started        11 A23NoVnKvG.exe 2 2->11         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 file5 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 73 Writes to foreign memory regions 8->73 81 2 other signatures 8->81 18 svchost.exe 1 8->18         started        49 C:\Users\user\AppData\Local\...\qqdezpuf.exe, PE32 11->49 dropped 75 Uses netsh to modify the Windows network and firewall settings 11->75 77 Modifies the windows firewall 11->77 22 cmd.exe 1 11->22         started        25 netsh.exe 3 11->25         started        27 cmd.exe 2 11->27         started        31 3 other processes 11->31 79 Changes security center settings (notifications, updates, antivirus, firewall) 14->79 29 MpCmdRun.exe 1 14->29         started        signatures6 process7 dnsIp8 53 mubrikych.top 91.224.22.134, 443, 49766, 49783 AS-REGRU Russian Federation 18->53 55 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49765 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->55 65 System process connects to network (likely due to code injection or exploit) 18->65 67 Deletes itself after installation 18->67 47 C:\Windows\SysWOW64\...\qqdezpuf.exe (copy), PE32 22->47 dropped 33 conhost.exe 22->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2021-12-19 16:09:07 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ix6o2klrh2g4s2ls7lvlj4q6yzyfipbff3mcjm2yffhjxatq4sla._file
Verdict:
malicious
Similar samples:
0467d83ba3b0d1f7c09d3fa662383e261ea44ea866cdfa0c686eba4cc5a822f2
Tofsee
0b46fd5f7c63d1e22e944ae3797994f06ccd6033d1eaa2dc6e82cc1d55ae9ad6
Tofsee
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
Tofsee
3abf5e573cbcc7b375436931ff07be0d9d13085cf6a14f9cde285a83e7ff528e
Tofsee
8325ddbf8fc654039273c60aee91332ebf8d8896da1109f6abac422f910bddf9
Tofsee
967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd
Tofsee
b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d
Tofsee
eb7d2f18d5fc15bbdeb4da2d297db7ec72004f54a4a6ef8194c23d0651538a3f
Tofsee
f57855bf23ce70fccbad6dec4c7d9e97710f222f98dfa0141762d66e56b6192d
Tofsee
+ 174 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/211220-lqgj3sbaek/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
mubrikych.top
oxxyfix.xyz
Unpacked files
SH256 hash:
72ed24d8c2733d0095568505bf2fb6c9eb1877c1737c44d6e9527cd4d1eb01ee
MD5 hash:
683bd5e39814ff14f3abcef08cb179a2
SHA1 hash:
311689339a20bb1fe040c5caf553871a4a2a088b
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/a60e3122-95c5-41b1-ab9e-d3a02477ddf7/
Parent samples :
ee8c0eda3de0ce70a8b133b2c872541fc1d813536667acfd674f1f007365be75
56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b
3abf5e573cbcc7b375436931ff07be0d9d13085cf6a14f9cde285a83e7ff528e
f57855bf23ce70fccbad6dec4c7d9e97710f222f98dfa0141762d66e56b6192d
45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
SH256 hash:
45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
MD5 hash:
5d549a0c28addb279414a94f04c3d64f
SHA1 hash:
e692c1da2c13dd51ee36f3c9e9489cdd8a5405d2
Link:
https://www.unpac.me/results/a60e3122-95c5-41b1-ab9e-d3a02477ddf7/
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/45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496

File information

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

Web download

Tofsee

Executable exe 45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1889202/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215424/

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