MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9a8afdccfeca1e80e4e695cc01a288b9aa7efcbb08a514ea346c9cfa9742cdb. 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: 10


Intelligence 10 IOCs 1 YARA File information Comments

SHA256 hash: f9a8afdccfeca1e80e4e695cc01a288b9aa7efcbb08a514ea346c9cfa9742cdb
SHA3-384 hash: df4ab61b39f060acdb9842e7c87731b960a1cc74e57c866c384d5f70d9d193199b746223362421ddd8360feb4be0a5c2
SHA1 hash: 19ca9b0c5e0f655f041b1f752f40b0c73ee12a08
MD5 hash: 887b5822eeccfa021b455e20963ca801
humanhash: fix-aspen-eighteen-sixteen
File name:887b5822eeccfa021b455e20963ca801.exe
Download: download sample
Signature Tofsee
File size:204'800 bytes
First seen:2021-09-21 11:50:34 UTC
Last seen:2021-09-21 13:16:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 019bced73b51911db702af2d47c34cb7 (6 x RaccoonStealer, 2 x ArkeiStealer, 2 x Stop)
ssdeep 3072:7n7B5nTbd/4hNqISLs+ehTQ5Wbzm9TSHYX9NOdIxAwjtqAG8:rx/4hNWLteZXATSu9NsBwjtw
Threatray 9'228 similar samples on MalwareBazaar
TLSH T1BC14BE0139D0EA71D567F5704B60DBE22A6AF8315970C38B2B57376EEF342913B2634A
File icon (PE):PE icon
dhash icon 327e7c7d767e6e76 (4 x RedLineStealer, 2 x RaccoonStealer, 2 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
http://185.53.46.105/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.53.46.105/ https://threatfox.abuse.ch/ioc/224184/

Intelligence


File Origin
# of uploads :
2
# of downloads :
712
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
887b5822eeccfa021b455e20963ca801.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-21 11:52:56 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee
Detection:
malicious
Classification:
troj.spyw.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
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
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)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 487278 Sample: 5vVodiGb5a.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 67 185.53.46.105, 49812, 80 STNB-ASDE Germany 2->67 69 telete.in 195.201.225.248, 443, 49806 HETZNER-ASDE Germany 2->69 71 3 other IPs or domains 2->71 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Antivirus detection for dropped file 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 12 other signatures 2->87 10 5vVodiGb5a.exe 2->10         started        13 bficfhj 2->13         started        15 svchost.exe 2->15         started        17 10 other processes 2->17 signatures3 process4 dnsIp5 105 Detected unpacking (changes PE section rights) 10->105 20 5vVodiGb5a.exe 10->20         started        107 Multi AV Scanner detection for dropped file 13->107 109 Contains functionality to inject code into remote processes 13->109 111 Injects a PE file into a foreign processes 13->111 23 bficfhj 13->23         started        113 Changes security center settings (notifications, updates, antivirus, firewall) 15->113 61 127.0.0.1 unknown unknown 17->61 63 192.168.2.1 unknown unknown 17->63 signatures6 process7 signatures8 89 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->89 91 Maps a DLL or memory area into another process 20->91 93 Checks if the current machine is a virtual machine (disk enumeration) 20->93 95 Creates a thread in another existing process (thread injection) 20->95 25 explorer.exe 9 20->25 injected process9 dnsIp10 73 216.128.137.31, 80 AS-CHOOPAUS United States 25->73 75 193.56.146.41, 49789, 9080 LVLT-10753US unknown 25->75 77 3 other IPs or domains 25->77 53 C:\Users\user\AppData\Roaming\bficfhj, PE32 25->53 dropped 55 C:\Users\user\AppData\Local\TempA9E.exe, PE32 25->55 dropped 57 C:\Users\user\AppData\Local\Temp\DDBD.exe, PE32 25->57 dropped 59 2 other malicious files 25->59 dropped 115 System process connects to network (likely due to code injection or exploit) 25->115 117 Benign windows process drops PE files 25->117 119 Deletes itself after installation 25->119 121 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->121 30 DDBD.exe 25->30         started        33 90FA.exe 3 25->33         started        36 FF84.exe 25->36         started        39 EA9E.exe 2 25->39         started        file11 signatures12 process13 dnsIp14 123 Detected unpacking (changes PE section rights) 30->123 125 Machine Learning detection for dropped file 30->125 127 Injects a PE file into a foreign processes 30->127 41 DDBD.exe 30->41         started        65 188.124.36.242, 25802, 49822 SELECTELRU Russian Federation 33->65 129 Query firmware table information (likely to detect VMs) 33->129 131 Tries to detect sandboxes and other dynamic analysis tools (window names) 33->131 133 Hides threads from debuggers 33->133 135 Tries to detect sandboxes / dynamic malware analysis system (registry check) 33->135 44 conhost.exe 33->44         started        51 C:\Users\user\AppData\Local\...\nhqanqvh.exe, PE32 36->51 dropped 137 Detected unpacking (overwrites its own PE header) 36->137 139 Uses netsh to modify the Windows network and firewall settings 36->139 141 Modifies the windows firewall 36->141 143 Antivirus detection for dropped file 39->143 145 Multi AV Scanner detection for dropped file 39->145 46 EA9E.exe 2 39->46         started        49 conhost.exe 39->49         started        file15 signatures16 process17 dnsIp18 97 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 41->97 99 Maps a DLL or memory area into another process 41->99 101 Checks if the current machine is a virtual machine (disk enumeration) 41->101 103 Creates a thread in another existing process (thread injection) 41->103 79 146.70.35.170, 30905, 49799 TENET-1ZA United Kingdom 46->79 signatures19
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-21 11:51:15 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:installayz botnet:installexe backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies system certificate store
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 cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
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)
XMRig Miner Payload
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
146.70.35.170:30905
80.85.137.89:17954
Unpacked files
SH256 hash:
61a8d403c777699f36db41e26c95ee6f29ff6cdbc4b3768bd06db2aa6bdfe2f7
MD5 hash:
cfcd9c4378e041fb0d07d607727c024b
SHA1 hash:
7e06773d4a2e07501b171e0187e2997cc7de1dac
SH256 hash:
f9a8afdccfeca1e80e4e695cc01a288b9aa7efcbb08a514ea346c9cfa9742cdb
MD5 hash:
887b5822eeccfa021b455e20963ca801
SHA1 hash:
19ca9b0c5e0f655f041b1f752f40b0c73ee12a08
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 f9a8afdccfeca1e80e4e695cc01a288b9aa7efcbb08a514ea346c9cfa9742cdb

(this sample)

  
Delivery method
Distributed via web download

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