MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c. 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: 9


Intelligence 9 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c
SHA3-384 hash: 31b4974313465eca1a3f13e613fc7ca180385ccd3e865d362c93fec8eb03922514dec70d857978519ab5b48c6587453c
SHA1 hash: 4faefc3fa94097219cb227b956f42e5efbf4b577
MD5 hash: 73f78e713eb3eb9cab5c2afda83620b7
humanhash: kentucky-montana-princess-wisconsin
File name:73f78e713eb3eb9cab5c2afda83620b7.exe
Download: download sample
Signature Tofsee
Create hunting rule
File size:132'096 bytes
First seen:2021-09-27 11:51:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 26b2a22c1afb78875d9384441bc03abe (4 x ArkeiStealer, 4 x RedLineStealer, 2 x Stop)
ssdeep 1536:z9aGVxkIAaSP+mPJPAmPQ6WoXeLcOa2fGm13oPzmkyeh3uJp+Q7Jgz701qFsgPUD:z5qyy+KPnWme32eMmkxqfP10sgsXz
TLSH T1DFD3BF2078E0E872D7571472493BC7F15A3BBD311F2D96A73B68221F5E312E0A527396
File icon (PE):PE icon
dhash icon 4839b234e8c38890 (121 x RaccoonStealer, 54 x RedLineStealer, 51 x ArkeiStealer)
Reporter abuse_ch
Tags:exe Tofsee


Avatar
abuse_ch
Tofsee C2:
92.246.89.6:38437

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
92.246.89.6:38437 https://threatfox.abuse.ch/ioc/226920/

Intelligence

File Origin
# of uploads :
1
# of downloads :
780
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73f78e713eb3eb9cab5c2afda83620b7.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-27 11:53:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d611a25-2d73-40b6-bb5a-2a929675631a

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/192054/
Detection(s):
Win.Packed.Generic-9897371-0
Create hunting rule

Win.Packed.Filerepmalware-9897393-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/166fdb54-f75e-421f-9734-f8206c59a1ba
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/858922
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
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)
Connects to many ports of the same IP (likely port scanning)
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)
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
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Obfuscated command line found
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
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)
Tries to detect virtualization through RDTSC time measurements
Uses known network protocols on non-standard ports
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 491349 Sample: DeKxL6OdiV.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 60 194.180.174.100, 49825, 80 MIVOCLOUDMD unknown 2->60 62 t.me 149.154.167.99, 443, 49820 TELEGRAMRU United Kingdom 2->62 64 10 other IPs or domains 2->64 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Antivirus detection for URL or domain 2->90 92 Multi AV Scanner detection for dropped file 2->92 94 15 other signatures 2->94 10 DeKxL6OdiV.exe 2->10         started        13 hfhfarr 2->13         started        15 svchost.exe 2->15         started        17 9 other processes 2->17 signatures3 process4 dnsIp5 104 Detected unpacking (changes PE section rights) 10->104 106 Contains functionality to inject code into remote processes 10->106 108 Injects a PE file into a foreign processes 10->108 20 DeKxL6OdiV.exe 10->20         started        110 Multi AV Scanner detection for dropped file 13->110 23 hfhfarr 13->23         started        112 Changes security center settings (notifications, updates, antivirus, firewall) 15->112 58 127.0.0.1 unknown unknown 17->58 signatures6 process7 signatures8 96 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->96 98 Maps a DLL or memory area into another process 20->98 100 Checks if the current machine is a virtual machine (disk enumeration) 20->100 102 Creates a thread in another existing process (thread injection) 20->102 25 explorer.exe 17 20->25 injected 30 B201.exe 20->30         started        process9 dnsIp10 66 193.56.146.41, 49826, 9080 LVLT-10753US unknown 25->66 68 216.128.137.31, 80 AS-CHOOPAUS United States 25->68 70 11 other IPs or domains 25->70 48 C:\Users\user\AppData\Roaming\hfhfarr, PE32 25->48 dropped 50 C:\Users\user\AppData\Local\Temp\CE84.exe, PE32 25->50 dropped 52 C:\Users\user\AppData\Local\Temp\B6E4.exe, PE32 25->52 dropped 54 6 other files (5 malicious) 25->54 dropped 114 System process connects to network (likely due to code injection or exploit) 25->114 116 Benign windows process drops PE files 25->116 118 Deletes itself after installation 25->118 120 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->120 32 CE84.exe 3 25->32         started        36 B6E4.exe 2 25->36         started        38 B201.exe 25->38         started        122 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 30->122 124 Maps a DLL or memory area into another process 30->124 126 Checks if the current machine is a virtual machine (disk enumeration) 30->126 128 Creates a thread in another existing process (thread injection) 30->128 file11 signatures12 process13 dnsIp14 56 94.26.228.204, 32917, 49836 PTC-YEMENNETYE Russian Federation 32->56 72 Multi AV Scanner detection for dropped file 32->72 74 Detected unpacking (changes PE section rights) 32->74 76 Query firmware table information (likely to detect VMs) 32->76 86 3 other signatures 32->86 40 conhost.exe 32->40         started        78 Antivirus detection for dropped file 36->78 80 Machine Learning detection for dropped file 36->80 82 Sample uses process hollowing technique 36->82 84 Injects a PE file into a foreign processes 36->84 42 B6E4.exe 2 36->42         started        44 conhost.exe 36->44         started        46 B6E4.exe 36->46         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c/
Threat name:
Win32.Trojan.Racealer
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 11:54:08 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qnvlqfu43m2uls7zjfyljhst4cfhqg2bo6mv5k3zvgycvq5e5e6a._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:arkei family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 botnet:@dcm4gentoo botnet:a72c96f6762e4258a13dee8bc0dd14557df18467 botnet:b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7 backdoor discovery evasion infostealer miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/210927-n1qlvagfhr/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Runs ping.exe
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
NSIS installer
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
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
Arkei Stealer Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
Arkei
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Windows security bypass
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
xmrig
Malware Config
C2 Extraction:
http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
92.246.89.6:38437
138.124.186.42:14462
Unpacked files
SH256 hash:
2fead9437f15e057951fd6a02ab05076e38db13483df0191787c21c79343b9e7
MD5 hash:
1c90f3a3fcd93ee08b2154cbcff49085
SHA1 hash:
73ac881633a13c3c31c1153d8105b8ecbb60961e
Link:
https://www.unpac.me/results/37d54a49-4f48-4e3e-80cd-f611b1ffd250/
SH256 hash:
836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c
MD5 hash:
73f78e713eb3eb9cab5c2afda83620b7
SHA1 hash:
4faefc3fa94097219cb227b956f42e5efbf4b577
Link:
https://www.unpac.me/results/37d54a49-4f48-4e3e-80cd-f611b1ffd250/
Malware family:
RedLine.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/836ab8169cdb/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/836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c

File information

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

Web download

Tofsee

Executable exe 836ab8169cdb3545cbf94970b49e53e08a781b4177995eab79a9b02ac3a4e93c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1639930/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192054/

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