MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed57b99cc61aee7b08ab0fb6647000f8c4df08ff0350e94f1a15765021955072. 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: 11


Intelligence 11 IOCs 1 YARA File information Comments

SHA256 hash: ed57b99cc61aee7b08ab0fb6647000f8c4df08ff0350e94f1a15765021955072
SHA3-384 hash: 8bb7f2498792ba0a1d7b8f5e48223e4384688e8e161f11ab5201411ddb08ff368a18d4ece35d9e0026ae40f2a045b0e6
SHA1 hash: f0c6532a46683462bd7813d70e0a663b57a7c170
MD5 hash: 84a420368cc5a1f65b3641ac00378440
humanhash: summer-winner-bluebird-salami
File name:84a420368cc5a1f65b3641ac00378440.exe
Download: download sample
Signature Tofsee
File size:193'024 bytes
First seen:2021-09-17 10:55:50 UTC
Last seen:2021-09-17 11:53:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 410705447b2186b51cd6d6e90a878e3a (6 x RaccoonStealer, 3 x Tofsee, 1 x CoinMiner)
ssdeep 3072:fiUIL1idjjSQ5IXcq2w47L3QMp4zwCjI1K51MVLSQEOJHDh18ZI6JB:fiUILgjWQ5IXqwa3QJdrMz5JHDhSZI6
Threatray 6'615 similar samples on MalwareBazaar
TLSH T1F314BE1134D0C472C7961530B863CBA05ABAFCE1567EB6473BA93B6E2F702D09625F87
dhash icon b27a7c7f767e6e76 (1 x Tofsee)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://179.43.175.24/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://179.43.175.24/ https://threatfox.abuse.ch/ioc/222954/

Intelligence


File Origin
# of uploads :
2
# of downloads :
703
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup_x86_x64_install.exe
Verdict:
Malicious activity
Analysis date:
2021-09-17 00:00:35 UTC
Tags:
trojan evasion loader rat redline stealer vidar opendir raccoon banker dridex

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
RedLine SmokeLoader Tofsee
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses known network protocols on non-standard ports
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 485061 Sample: xzL6gd2L5h.exe Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 51 127.0.0.1 unknown unknown 2->51 53 defeatwax.ru 2->53 55 api.ip.sb 2->55 65 Antivirus detection for URL or domain 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 10 other signatures 2->71 10 xzL6gd2L5h.exe 2->10         started        13 vsetijb 2->13         started        15 svchost.exe 1 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 81 Detected unpacking (changes PE section rights) 10->81 19 xzL6gd2L5h.exe 10->19         started        83 Multi AV Scanner detection for dropped file 13->83 85 Machine Learning detection for dropped file 13->85 22 vsetijb 13->22         started        process6 signatures7 73 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 19->73 75 Maps a DLL or memory area into another process 19->75 77 Checks if the current machine is a virtual machine (disk enumeration) 19->77 24 explorer.exe 8 19->24 injected 79 Creates a thread in another existing process (thread injection) 22->79 process8 dnsIp9 59 venerynnet1.top 81.177.22.190, 49737, 49738, 49739 RTCOMM-ASRU Russian Federation 24->59 61 193.56.146.41, 49829, 9080 LVLT-10753US unknown 24->61 63 3 other IPs or domains 24->63 43 C:\Users\user\AppData\Roaming\vsetijb, PE32 24->43 dropped 45 C:\Users\user\AppData\Local\Temp\4A67.exe, PE32 24->45 dropped 47 C:\Users\user\AppData\Local\Temp\2972.exe, PE32 24->47 dropped 49 2 other malicious files 24->49 dropped 87 System process connects to network (likely due to code injection or exploit) 24->87 89 Benign windows process drops PE files 24->89 91 Deletes itself after installation 24->91 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->93 29 2972.exe 2 24->29         started        32 1618.exe 24->32         started        file10 signatures11 process12 signatures13 95 Antivirus detection for dropped file 29->95 97 Multi AV Scanner detection for dropped file 29->97 99 Machine Learning detection for dropped file 29->99 34 2972.exe 2 29->34         started        37 conhost.exe 29->37         started        39 2972.exe 29->39         started        101 Detected unpacking (changes PE section rights) 32->101 103 Contains functionality to inject code into remote processes 32->103 105 Injects a PE file into a foreign processes 32->105 41 1618.exe 32->41         started        process14 dnsIp15 57 93.115.20.139, 28978, 49827 MVPShttpswwwmvpsnetEU Romania 34->57
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2021-09-17 00:48:47 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:netsupport family:raccoon family:redline family:smokeloader family:tofsee family:vidar family:xmrig botnet:1015 botnet:mix 1592021 backdoor discovery evasion infostealer miner persistence rat spyware stealer suricata themida trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
XMRig Miner Payload
NetSupport
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Vidar
Windows security bypass
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
xmrig
Malware Config
C2 Extraction:
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
93.115.20.139:28978
https://dimonbk83.tumblr.com/
Unpacked files
SH256 hash:
61a8d403c777699f36db41e26c95ee6f29ff6cdbc4b3768bd06db2aa6bdfe2f7
MD5 hash:
cfcd9c4378e041fb0d07d607727c024b
SHA1 hash:
7e06773d4a2e07501b171e0187e2997cc7de1dac
SH256 hash:
ed57b99cc61aee7b08ab0fb6647000f8c4df08ff0350e94f1a15765021955072
MD5 hash:
84a420368cc5a1f65b3641ac00378440
SHA1 hash:
f0c6532a46683462bd7813d70e0a663b57a7c170
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Tofsee

Executable exe ed57b99cc61aee7b08ab0fb6647000f8c4df08ff0350e94f1a15765021955072

(this sample)

  
Delivery method
Distributed via web download

Comments