MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003
SHA3-384 hash: dacc7f86afed91a2ad0a1500c8856c62112da366c6ed1e1c94c2ed24d4bc27a3b05f73a4c0d77cfadcff2ba0679b3ee5
SHA1 hash: 0e338358fb64456917e36d7c264aab9b08cc9f64
MD5 hash: 5d21f809eaaade73ed06d17823f93731
humanhash: hydrogen-tennis-nineteen-sweet
File name:5d21f809eaaade73ed06d17823f93731.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:212'992 bytes
First seen:2022-01-28 06:57:19 UTC
Last seen:2022-01-28 09:01:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a14b1df5553c3a8a2cc2e18054a4da6 (1 x RedLineStealer, 1 x Tofsee)
ssdeep 3072:ydlLnfM1/OJib070DkIlt1MmKTJC1/HmYdaGeM5Y9MjBoJX:ydlL0Bx9mm55FdYXGB8
Threatray 203 similar samples on MalwareBazaar
TLSH T1D524AE1071D5C032E5A7667A4475C3F44A77B8A61B36AD8F7FC526BA0F353E2CA2430A
File icon (PE):PE icon
dhash icon d2b1e4d4e4b987f9 (9 x RedLineStealer, 6 x Smoke Loader, 3 x CryptBot)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
2
# of downloads :
639
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/224867/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38771637.12767.10559.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 service
Launching the process to change the firewall settings
Creating a file
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:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/5386/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61f394006a7929f66a1e6053/reports/860aa496-68b0-4431-b851-bbb095db2cbb/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/c7b62819-852e-453a-abb7-f70cbb8f6a41
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/929492
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
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 API chain indicative of debugger detection
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 domain / URL
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: 561966 Sample: 5n6IeI8i1t.exe Startdate: 28/01/2022 Architecture: WINDOWS Score: 100 54 microsoft-com.mail.protection.outlook.com 2->54 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Antivirus detection for URL or domain 2->66 68 9 other signatures 2->68 8 sghjlqdg.exe 2->8         started        11 5n6IeI8i1t.exe 2 2->11         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 dnsIp5 76 Detected unpacking (changes PE section rights) 8->76 78 Detected unpacking (overwrites its own PE header) 8->78 80 Writes to foreign memory regions 8->80 88 2 other signatures 8->88 19 svchost.exe 1 8->19         started        50 C:\Users\user\AppData\Local\...\sghjlqdg.exe, PE32 11->50 dropped 82 Uses netsh to modify the Windows network and firewall settings 11->82 84 Modifies the windows firewall 11->84 23 cmd.exe 1 11->23         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        32 3 other processes 11->32 86 Changes security center settings (notifications, updates, antivirus, firewall) 14->86 30 MpCmdRun.exe 1 14->30         started        52 127.0.0.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 56 patmushta.info 178.208.86.39, 443, 49757, 49768 VDSINA-ASRU Russian Federation 19->56 58 microsoft-com.mail.protection.outlook.com 104.47.54.36, 25, 49756 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->58 60 192.168.2.1 unknown unknown 19->60 70 System process connects to network (likely due to code injection or exploit) 19->70 72 Found API chain indicative of debugger detection 19->72 74 Deletes itself after installation 19->74 48 C:\Windows\SysWOW64\...\sghjlqdg.exe (copy), PE32 23->48 dropped 34 conhost.exe 23->34         started        36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        42 conhost.exe 32->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2022-01-28 06:58:11 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tsvqy7x5v7okwvfsbpzjl43ozmomgxg22j653n5vnctdojr6qabq._file
Verdict:
malicious
Similar samples:
3a1e3377c664b6863dda1d7d7ae9c353defc585a6df6eeb1c5147f21d31faaaf
Tofsee
7872562982688229ba9bcf6b09cd7282229da0b0690aec62c163e43fcb305631
Tofsee
925c11560a88096bc28480d802d69da132ff883236e0d8dfaf9a367fa07cc245
Tofsee
e142b01c4b04ddca2ffded33fa5e8e3accf2b305021efd57b485cb06f072e84e
Tofsee
ee87fd0a4b66479135cb2342baaa9fbf54e7dfa4ea65a13a35661a8a2f144663
Tofsee
eeafd9d6aa2607575e05d0753c2ecc37710a9164fc5af4c9afa28c2d546e470b
Tofsee
+ 193 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/220128-hrha8aggep/
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
Legitimate hosting services abused for malware hosting/C2
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:
patmushta.info
ovicrush.cn
Unpacked files
SH256 hash:
e658fe6d3bd685f41eb0527432099ee01075bfdb523ef5aa3e5ebd42221c8494
MD5 hash:
337e0e16dfcab6a2059cdbf81932e973
SHA1 hash:
c2ab7a92b8e07750f9f82f438291564bf5def67a
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/a7910361-6a09-4c80-abdf-87350e095521/
Parent samples :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 hash:
9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003
MD5 hash:
5d21f809eaaade73ed06d17823f93731
SHA1 hash:
0e338358fb64456917e36d7c264aab9b08cc9f64
Link:
https://www.unpac.me/results/a7910361-6a09-4c80-abdf-87350e095521/
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/9cab0c7efdafdcab54b20bf295f36ecb1cc35cdad27dddb7b568a637263e8003

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:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
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.

Cape
Cape
https://www.capesandbox.com/analysis/224867/

Comments