MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e6b32e68678e821d2af968562b23a0826421de0d937ab1ec31437ac79ca34b94. 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: 13
| SHA256 hash: | e6b32e68678e821d2af968562b23a0826421de0d937ab1ec31437ac79ca34b94 |
|---|---|
| SHA3-384 hash: | b406e219fd440bc1f9d80d89f08ffc675b08177be7852184efa081dc7b1c1d26c192057f9555bc1e8e32dfeac27f734e |
| SHA1 hash: | 5455a2241b6412da2a67f0181a253c2db3fb85c5 |
| MD5 hash: | e30ebbac9a2f3a119d5e4ffc21b32caa |
| humanhash: | ink-sink-carpet-dakota |
| File name: | e30ebbac9a2f3a119d5e4ffc21b32caa |
| Download: | download sample |
| Signature | Tofsee |
| File size: | 262'144 bytes |
| First seen: | 2022-03-20 01:18:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1e62aa7945f8620e15dc8eb729a6ef74 (1 x Tofsee, 1 x RedLineStealer) |
| ssdeep | 3072:ciDyRf+D79Li1vuKdRzTMbfOT0j9Q6WIF51/sRcYVZL2:AV+D79LiJlRgjC6Hm7V8 |
| Threatray | 250 similar samples on MalwareBazaar |
| TLSH | T12E44BF223AA3C832F59265342919C3B16B3F793259B58907FB84076E4F317D1EA76347 |
| File icon (PE): |  |
| dhash icon | 5c599a3ce0c3c850 (43 x Stop, 37 x RedLineStealer, 36 x Smoke Loader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe Tofsee |
Intelligence
File Origin
# of uploads :
1
# of downloads :
675
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Tofsee
Detection(s):
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
Searching for synchronization primitives
Creating a process from a recently created file
Creating a service
Launching a service
Launching the default Windows debugger (dwwin.exe)
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
Behaviour
MeasuringTime
SystemUptime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm greyware tofsee
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
Verdict:
Malicious
Result
Threat name:
Tofsee
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 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
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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:
Threat name:
Win32.Backdoor.Tofsee
Status:
Malicious
First seen:
2022-03-17 02:29:11 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
32 of 42 (76.19%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 240 additional samples on MalwareBazaar
Result
Malware family:
tofsee
Score:
10/10
Tags:
family:tofsee evasion persistence trojan
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Suspicious use of SetThreadContext
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Tofsee
Malware Config
C2 Extraction:
niflheimr.cn
jotunheim.name
jotunheim.name
Unpacked files
SH256 hash:
2c7da5333ec8e2d75607b54c2caaab4ea3e1805b455d2e8cb8faab397033c6c8
MD5 hash:
7f2e04283f4a0c58b5ea10725aeab839
SHA1 hash:
8e0eeac8abd5f310561bcae01d571de2f06bc0a3
Detections:
win_tofsee_w0
SH256 hash:
e6b32e68678e821d2af968562b23a0826421de0d937ab1ec31437ac79ca34b94
MD5 hash:
e30ebbac9a2f3a119d5e4ffc21b32caa
SHA1 hash:
5455a2241b6412da2a67f0181a253c2db3fb85c5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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