MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de61df7a854557960a9ed5920fc201b1882b7850efcf85f3925a72eac4cfc531. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments 1

SHA256 hash: de61df7a854557960a9ed5920fc201b1882b7850efcf85f3925a72eac4cfc531
SHA3-384 hash: f774dc0b34a59e367c231932f01f83e26e13db3f89ddb9006db0a08a4a40a8008cec9be943e95fe3b24bdfbde2ab604c
SHA1 hash: 10da30e77b35848c9149790cedfcc138e2c69f0c
MD5 hash: a8a6f0e5e657931fcdee4a08a115daa0
humanhash: bulldog-pennsylvania-texas-pip
File name:a8a6f0e5e657931fcdee4a08a115daa0
Download: download sample
Signature Tofsee
File size:212'992 bytes
First seen:2021-09-17 02:42:54 UTC
Last seen:2021-09-17 03:47:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 410705447b2186b51cd6d6e90a878e3a (6 x RaccoonStealer, 3 x Tofsee, 1 x CoinMiner)
ssdeep 3072:xQcYLTE7p+Z3EQNG+Z5X94jQgc8q7U7qh35vuIVLSQEOJH50Vm21Ev6JB:xQLLup+ZUQNvZtWjUt7H7z5JHqJ1Ev6
Threatray 152 similar samples on MalwareBazaar
TLSH T1DF24BE2835E0E072C397157078A3CAB02A7AB8F15A6C524B77983B7FBF312D04666357
dhash icon 327e7c7f727e6e76 (3 x RaccoonStealer, 2 x Stop, 1 x Tofsee)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence


File Origin
# of uploads :
2
# of downloads :
663
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8a6f0e5e657931fcdee4a08a115daa0
Verdict:
Malicious activity
Analysis date:
2021-09-17 02:46:22 UTC
Tags:
installer miner trojan tofsee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Creating a window
Sending an HTTP GET request
Connection attempt to an infection source
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Moving a file to the system32 subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Enabling autorun for a service
Query of malicious DNS domain
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Threat name:
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 484864 Sample: lw3e2V9Q6q Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 54 microsoft-com.mail.protection.outlook.com 2->54 60 Found malware configuration 2->60 62 Antivirus detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 8 other signatures 2->66 8 ndddsjph.exe 2->8         started        11 lw3e2V9Q6q.exe 2 2->11         started        14 svchost.exe 2->14         started        16 10 other processes 2->16 signatures3 process4 dnsIp5 72 Detected unpacking (changes PE section rights) 8->72 74 Detected unpacking (overwrites its own PE header) 8->74 76 Writes to foreign memory regions 8->76 84 2 other signatures 8->84 19 svchost.exe 1 8->19         started        50 C:\Users\user\AppData\Local\...\ndddsjph.exe, PE32 11->50 dropped 78 Uses netsh to modify the Windows network and firewall settings 11->78 80 Modifies the windows firewall 11->80 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 82 Changes security center settings (notifications, updates, antivirus, firewall) 14->82 30 MpCmdRun.exe 1 14->30         started        52 127.0.0.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 56 defeatwax.ru 193.56.146.188, 443, 49737, 49747 LVLT-10753US unknown 19->56 58 microsoft-com.mail.protection.outlook.com 40.93.207.1, 25, 49736, 49786 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->58 68 System process connects to network (likely due to code injection or exploit) 19->68 70 Deletes itself after installation 19->70 48 C:\Windows\SysWOW64\...\ndddsjph.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
Threat name:
Win32.Infostealer.Racealer
Status:
Malicious
First seen:
2021-09-17 02:43:04 UTC
AV detection:
21 of 44 (47.73%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
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
Unpacked files
SH256 hash:
167d2a327d3ef71d65ef0bc8e148ce24259bd8261b5d1bdd48a15ff3f58dd6da
MD5 hash:
a2fcec728cf62911fd07c5c5e0bf03e3
SHA1 hash:
529f1c41e1d8cff13032c3a83eb5bdb0641c1e69
Detections:
win_tofsee_w0
SH256 hash:
de61df7a854557960a9ed5920fc201b1882b7850efcf85f3925a72eac4cfc531
MD5 hash:
a8a6f0e5e657931fcdee4a08a115daa0
SHA1 hash:
10da30e77b35848c9149790cedfcc138e2c69f0c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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 de61df7a854557960a9ed5920fc201b1882b7850efcf85f3925a72eac4cfc531

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-09-17 02:42:55 UTC

url : hxxp://193.56.146.41:9080/a.php