MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080. 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: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080
SHA3-384 hash: de952b0af48885479fa564b02326344d3e491fcfa95cd6b89520ba8f785065722e35e80ce6800b0b93d567d00126e27d
SHA1 hash: b62f84c89cecf2f64f538e3bbffe58ef65451bc0
MD5 hash: bbd82fb0846ab910319dd505405a07f6
humanhash: uncle-whiskey-cola-diet
File name:bbd82fb0846ab910319dd505405a07f6.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:320'512 bytes
First seen:2021-12-30 07:49:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 319bf6fe2c13d54d7e13af9887ef84ba (1 x Tofsee)
ssdeep 3072:Lwy0OHqu2zpng+N4ilZXRVWnXvNgaaWFSQgqcj97hsJVggjcGkNIVqIbM/h3:M7LlpngNiDXz+fNzaWlgjhmr7ITsq0
Threatray 184 similar samples on MalwareBazaar
TLSH T17E648CE17DA0C831C495FA318C2D8EA4DE7EBC11D960954B32743F9EAB722C1562D21F
File icon (PE):PE icon
dhash icon 480c1c4c4f594904 (9 x Smoke Loader, 7 x RedLineStealer, 6 x Amadey)
Reporter abuse_ch
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
852
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bbd82fb0846ab910319dd505405a07f6.exe
Verdict:
Malicious activity
Analysis date:
2021-12-30 07:50:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5304581f-411b-4e8e-84ba-3ec4f81ee24e

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/216852/
Detection(s):
Win.Dropper.Tofsee-9919472-0
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
Moving a file to the Windows subdirectory
Launching the process to change the firewall settings
Launching a service
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Forced system process termination
DNS request
Sending a custom TCP request
Creating a file in the Windows subdirectories
Possible injection to a system process
Enabling autorun for a service
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3512/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit tofsee
Link:
https://www.filescan.io/uploads/61cd64adec6c6c14a9fd6dfa/reports/392989d5-2dec-4aef-bef6-e143d17571ba/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/5a1f3d3a-8714-4e01-ab52-6b6cc7554c90
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/914010
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
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: 546488 Sample: 2QzlJjdtz8.exe Startdate: 30/12/2021 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 5 other signatures 2->59 8 zxawemat.exe 2->8         started        11 2QzlJjdtz8.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\...\zxawemat.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 patmushta.info 47.251.38.135, 443, 49766, 49775 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->49 51 microsoft-com.mail.protection.outlook.com 104.47.53.36, 25, 49765 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\...\zxawemat.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/d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080/
Threat name:
Win32.Trojan.DiskWriter
Create hunting rule
Status:
Malicious
First seen:
2021-12-29 23:51:53 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2no5dbuydbvnm2km7mbwdxm6bqymapfbsnoebswe5exgok7mccaa._file
Verdict:
malicious
Similar samples:
0467d83ba3b0d1f7c09d3fa662383e261ea44ea866cdfa0c686eba4cc5a822f2
Tofsee
587f79f301d6ca9ad6a02642cf6ebfbce12b3eaa524ecd67834ca1314447c4da
Tofsee
59c50a429ba27538378b98c12fc53f34883c9a10c01329d07c3a56de11f09e46
Tofsee
5be51808188867cee6e87361ddfb938e2e9bb943bd8da12ec4fc1f1201b7d612
Tofsee
8325ddbf8fc654039273c60aee91332ebf8d8896da1109f6abac422f910bddf9
Tofsee
8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
Tofsee
8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
Tofsee
accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6
Tofsee
af21217ee5523873bc4ee3b262ce06a371a1095abfea9729e3413cf9da1a0cab
Tofsee
cc48789091b1449f3af4b04028abe61de204e9185fb6c84aada319dc5a6105a0
Tofsee
+ 174 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/211230-jpan2aecan/
Behaviour
Modifies data under HKEY_USERS
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
Tofsee
Windows security bypass
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/2feb5d89-c64d-4aa0-9e64-4b471bfc5ce7/
Parent samples :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 hash:
d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080
MD5 hash:
bbd82fb0846ab910319dd505405a07f6
SHA1 hash:
b62f84c89cecf2f64f538e3bbffe58ef65451bc0
Link:
https://www.unpac.me/results/2feb5d89-c64d-4aa0-9e64-4b471bfc5ce7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d35dd1869818/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/d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080

File information

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

Web download

Tofsee

Executable exe d35dd18698186ad6694cfb0361dd9e0c30c03ca1935c40cac4e92e672bec1080

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/216852/
  
URLhaus
https://urlhaus.abuse.ch/url/1889202/
  
Delivery method
Distributed via web download

Comments