MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b
SHA3-384 hash: e9ae3e75792f5503a1f79df54c6e0cdbeface7e85c695fb5dceababad1810606ab3f0067e2d5b1743066ec21b293b2af
SHA1 hash: 26278b28d8e10e28d587af65caf2fe707d9e015d
MD5 hash: 10a32eac03aa86063274c3404eb4f1b3
humanhash: monkey-finch-cold-montana
File name:SecuriteInfo.com.W32.AIDetect.malware1.31336.18297
Download: download sample
Signature Tofsee
Create hunting rule
File size:205'312 bytes
First seen:2021-12-12 17:24:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61ba420b5330c13fb8cfded6ab924182 (1 x Tofsee)
ssdeep 3072:wcisOoR2tzzVWS4kjbCOJ4Vz+5BjSq50KeUY2QL8ihsZVggjcGkNIVqIp52:tGYS4kaOJ4CqyQLEb7ITsqR
Threatray 180 similar samples on MalwareBazaar
TLSH T1CB14BEC1F5E0E47ED1A67A3058A4DAD24E7BB962EA31C10B3374179E1F722D05F26352
File icon (PE):PE icon
dhash icon fcfc94d4d4dcd8c0 (2 x ArkeiStealer, 2 x Tofsee, 2 x RaccoonStealer)
Reporter SecuriteInfoCom
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
823
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetect.malware1.31336.18297
Verdict:
Malicious activity
Analysis date:
2021-12-12 17:27:02 UTC
Tags:
trojan tofsee miner
Link:
https://app.any.run/tasks/d4e102d6-3e4d-4bde-b8e3-f31de6f1378d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/213439/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.31336.18297.UNOFFICIAL
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 file
Launching the process to change the firewall settings
Creating a process from a recently created file
Creating a service
Launching a service
Launching the default Windows debugger (dwwin.exe)
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1728/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61b630714b267126def0a64f/reports/8a6218aa-657e-4ae5-9370-a58a87148440/overview
Result
Verdict:
UNKNOWN
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/d42dd15f-ceea-47bb-a931-c2b7fa20184b
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/906028
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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: 538506 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 12/12/2021 Architecture: WINDOWS Score: 100 47 microsoft-com.mail.protection.outlook.com 2->47 53 Found malware configuration 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Tofsee 2->57 59 7 other signatures 2->59 8 njrpcazg.exe 2->8         started        11 SecuriteInfo.com.W32.AIDetect.malware1.31336.exe 2 2->11         started        14 svchost.exe 1 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 65 Detected unpacking (changes PE section rights) 8->65 67 Detected unpacking (overwrites its own PE header) 8->67 69 Writes to foreign memory regions 8->69 75 2 other signatures 8->75 18 svchost.exe 1 8->18         started        45 C:\Users\user\AppData\Local\...\njrpcazg.exe, PE32 11->45 dropped 71 Uses netsh to modify the Windows network and firewall settings 11->71 73 Modifies the windows firewall 11->73 22 cmd.exe 1 11->22         started        25 netsh.exe 3 11->25         started        27 cmd.exe 2 11->27         started        29 3 other processes 11->29 signatures6 process7 dnsIp8 49 mubrikych.top 47.251.44.221, 443, 49780, 49838 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->49 51 microsoft-com.mail.protection.outlook.com 40.93.212.0, 25, 49779 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->51 61 System process connects to network (likely due to code injection or exploit) 18->61 63 Deletes itself after installation 18->63 43 C:\Windows\SysWOW64\...\njrpcazg.exe (copy), PE32 22->43 dropped 31 conhost.exe 22->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 conhost.exe 29->41         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b/
Threat name:
Win32.Trojan.Bingoml
Create hunting rule
Status:
Malicious
First seen:
2021-12-12 13:45:54 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k3i3ke2mujlaqk4aeffhu653h5eg5dukvpuv4f5ihlrs36wy44fq._file
Verdict:
malicious
Similar samples:
0b46fd5f7c63d1e22e944ae3797994f06ccd6033d1eaa2dc6e82cc1d55ae9ad6
Tofsee
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
Tofsee
1dfb58a81f3624b21eb10ce87795e1aa2b3fd928ae83f7c52a37d6cb19e25cf8
Tofsee
8325ddbf8fc654039273c60aee91332ebf8d8896da1109f6abac422f910bddf9
Tofsee
84839e5c70038104b4d9fbf20988ebc952ea698be6d46c0ad5ed072897427b3f
Tofsee
b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d
Tofsee
c3885fb6e521c358f6058bf09ab7835fc7f0aa71502da2cc7e44701224bfec3a
Tofsee
d14e8195937a6bd3ff1c8e25376f3cf6ccba3b373c894fb147912530f15b85db
Tofsee
+ 170 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/211212-vzabssdgaq/
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/b1933887-0953-4f25-9ab0-f3baa1f08d64/
Parent samples :
ee8c0eda3de0ce70a8b133b2c872541fc1d813536667acfd674f1f007365be75
56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b
3abf5e573cbcc7b375436931ff07be0d9d13085cf6a14f9cde285a83e7ff528e
f57855bf23ce70fccbad6dec4c7d9e97710f222f98dfa0141762d66e56b6192d
45fced29713e8dc96972faeab4f21ec670543c252ed824b358294e9b8270e496
SH256 hash:
56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b
MD5 hash:
10a32eac03aa86063274c3404eb4f1b3
SHA1 hash:
26278b28d8e10e28d587af65caf2fe707d9e015d
Link:
https://www.unpac.me/results/b1933887-0953-4f25-9ab0-f3baa1f08d64/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/56d1b5134ca2/report/overview.html
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/56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b

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:win_tofsee_w0
Create hunting rule
Author:akrasuski1

File information

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

Web download

Tofsee

Executable exe 56d1b5134ca256082b80214a7a7bbb3f486e8e8aabe95e17a83ae32dfad8e70b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/213439/
  
URLhaus
https://urlhaus.abuse.ch/url/1877873/
  
Delivery method
Distributed via web download

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