MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6
SHA3-384 hash: 09ef4b6c98a8beb6b6c9284dca165e08e208d5d2226003acde4698c8a068cf83294b94ff3c460b1fb4a1b585b91c7207
SHA1 hash: 317caa4c4628e059e03de2be382bd0c6a51ac312
MD5 hash: a8cc613309ca6a588c7e7d20dd9fe63c
humanhash: eight-low-cola-bakerloo
File name:a8cc613309ca6a588c7e7d20dd9fe63c
Download: download sample
Signature Tofsee
Create hunting rule
File size:177'152 bytes
First seen:2021-09-10 12:32:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 311b6c030e043059833e0196a691b0ad (3 x RaccoonStealer, 1 x Tofsee, 1 x RedLineStealer)
ssdeep 3072:YJ0ulgtm5L3OY77QCNFe5DhQg9LEqaP95XoFK+MyMgCKN:YJXLeYTNm9RZqoFKQMgL
Threatray 148 similar samples on MalwareBazaar
TLSH T14F04CF3932E0C073C497153159A4CBB45A7FB9362678828BB7A8E77E5F203E1473635A
dhash icon b8b078cccacccc01 (6 x RaccoonStealer, 4 x RedLineStealer, 3 x ArkeiStealer)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
628
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8cc613309ca6a588c7e7d20dd9fe63c
Verdict:
Malicious activity
Analysis date:
2021-09-10 12:33:17 UTC
Tags:
trojan tofsee miner
Link:
https://app.any.run/tasks/e90a516d-70a5-4e9c-8b1b-6d5625799ccf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/186878/
Detection(s):
Win.Packed.Generic-9891933-0
Create hunting rule

Win.Packed.Raccoon-9892020-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Moving a file to the Windows subdirectory
Launching a process
Creating a service
Sending a custom TCP request
Sending a UDP request
Launching a service
Creating a process from a recently created file
Launching the process to change the firewall settings
DNS request
Connection attempt
Creating a file in the Windows subdirectories
Sending an HTTP GET request
Enabling autorun for a service
Unauthorized injection to a system process
Deleting of the original file
Adding exclusions to Windows Defender
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2947ce2-4daa-4c3f-a7d9-46256065873a
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848768
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481199 Sample: KHq4UaU558 Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 56 microsoft-com.mail.protection.outlook.com 2->56 62 Found malware configuration 2->62 64 Antivirus detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 8 other signatures 2->68 8 runvtvdn.exe 2->8         started        11 KHq4UaU558.exe 2 2->11         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 signatures3 process4 dnsIp5 74 Detected unpacking (changes PE section rights) 8->74 76 Writes to foreign memory regions 8->76 78 Allocates memory in foreign processes 8->78 80 Injects a PE file into a foreign processes 8->80 19 svchost.exe 1 8->19         started        50 C:\Users\user\AppData\Local\...\runvtvdn.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 54 192.168.2.1 unknown unknown 16->54 file6 signatures7 process8 dnsIp9 58 defeatwax.ru 193.56.146.188, 443, 49744, 49784 LVLT-10753US unknown 19->58 60 microsoft-com.mail.protection.outlook.com 40.93.212.0, 25, 49743 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->60 70 System process connects to network (likely due to code injection or exploit) 19->70 72 Deletes itself after installation 19->72 48 C:\Windows\SysWOW64\...\runvtvdn.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/accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6/
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-10 12:32:06 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vthmfoicj6xmc56m4zheyglgl3bhoixbvklwobgbxhrj5uqradla._file
Verdict:
malicious
Similar samples:
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
Tofsee
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
Tofsee
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
Tofsee
50ed7ff89205b20b7aa7538438b2af93bbf61bc9488f5eb7e3dc673b0579a2f2
Tofsee
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
Tofsee
cfcb21c8c129c8c2c525ecfac8bd883260eda6038e3991210765e582007451dd
Tofsee
+ 138 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/210910-pql2caaba5/
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
Create hunting rule
Link:
https://www.unpac.me/results/f07636c5-f9de-4232-8ae1-4a3f00526de8/
Parent samples :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 hash:
accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6
MD5 hash:
a8cc613309ca6a588c7e7d20dd9fe63c
SHA1 hash:
317caa4c4628e059e03de2be382bd0c6a51ac312
Link:
https://www.unpac.me/results/f07636c5-f9de-4232-8ae1-4a3f00526de8/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/accec2b9024f/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/accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6

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 accec2b9024faec177cce64e4c19665ec27722e1aa976704c1b9e29ed21100d6

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/186878/

Comments


Avatar
zbet commented on 2021-09-10 12:32:01 UTC

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