MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245. 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: 925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
SHA3-384 hash: a2e23a9e01d0b6b351a584b57d8d362a08532d1acf179b6a649b3cbbdd89b2360307133219beed87a683ff79c9157548
SHA1 hash: 0cc3469ecce6c9989c491acc306de24c0ca75d6d
MD5 hash: c9bb0263f1f8bcf29205aa8c41184fe3
humanhash: jersey-winner-oranges-coffee
File name:c9bb0263f1f8bcf29205aa8c41184fe3.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:345'088 bytes
First seen:2021-12-31 08:53:25 UTC
Last seen:2021-12-31 11:19:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6eb8e72489447d8b01e1ba0c6688d0ba (1 x Tofsee)
ssdeep 3072:+jrGy/MZiASroHlCWps6rzEtVmSvjaafXmqXnWdgxUhR+PrcrLjBbDqp7aOkHYcK:PgASroHlTps6rzgxXheQrcHdby7cWQ
TLSH T185748E10B7E0C834F5B722F849B9A269B93E79A26B3491CF53C416EE56346E0EC31357
File icon (PE):PE icon
dhash icon e2e8e8e8aa66a499 (3 x RaccoonStealer, 1 x ArkeiStealer, 1 x Tofsee)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
2
# of downloads :
843
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c9bb0263f1f8bcf29205aa8c41184fe3.exe
Verdict:
Malicious activity
Analysis date:
2021-12-31 08:57:08 UTC
Tags:
miner trojan tofsee
Link:
https://app.any.run/tasks/090bbe44-9c63-49e8-aa06-7701aeba2a23

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/216915/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.13297.19091.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
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:
  3/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3556/overview
Behaviour
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed tofsee
Link:
https://www.filescan.io/uploads/61cec5304ab5c44cbf589834/reports/477e577d-283b-4b94-a2ee-df6b709cdb81/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/269f7162-3bf4-48ab-9a00-ad9473d4e544
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/914275
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
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: 546753 Sample: 6HxAGYozXz.exe Startdate: 31/12/2021 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 Yara detected Tofsee 2->61 63 7 other signatures 2->63 8 nespcil.exe 2->8         started        11 6HxAGYozXz.exe 2 2->11         started        14 svchost.exe 2->14         started        16 5 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\...\nespcil.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 patmushta.info 47.251.38.135, 443, 49749, 49760 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->53 55 microsoft-com.mail.protection.outlook.com 52.101.24.0, 25, 49748 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\...\nespcil.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/925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2021-12-31 08:54:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sjobcvqkraewxqueqdmafvu5uezp7cbsg3qnrx5pti3h7id4yjcq._file
Verdict:
malicious
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence suricata trojan
Link:
https://tria.ge/reports/211231-ktwmqsfcbj/
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
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
xmrig
Malware Config
C2 Extraction:
patmushta.info
parubey.info
Unpacked files
SH256 hash:
9523920c59da070b3b2f21a933d24cddcad1bbaeb3b732804038d4450903e77d
MD5 hash:
f1aa631204fa2aab6347b5720a170748
SHA1 hash:
6b36050e65661f6a897286d5101b2a30b1ad6075
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/fa3edaac-ccfa-4c80-9ecf-d74e0d57b339/
Parent samples :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 hash:
925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
MD5 hash:
c9bb0263f1f8bcf29205aa8c41184fe3
SHA1 hash:
0cc3469ecce6c9989c491acc306de24c0ca75d6d
Link:
https://www.unpac.me/results/fa3edaac-ccfa-4c80-9ecf-d74e0d57b339/
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/925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245

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 925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1889202/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/216915/

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