MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
SHA3-384 hash: 338c1f4d80d6c349382439e1926e4a9a89610b0efd0acd4584eb3f4afe8f3de2e3a2eb4014dfa5db0b1ebd6b15796070
SHA1 hash: 1ae84ba5933c65e5bfd2b65841f3e0088ee9f441
MD5 hash: 230a0f7a92817287a65dedd374a65de1
humanhash: avocado-emma-summer-music
File name:aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
Download: download sample
Signature Tofsee
Create hunting rule
File size:14'414'336 bytes
First seen:2025-01-23 08:54:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 741d4661b07f4b8f5313f10170bf9ac6 (3 x ArkeiStealer, 2 x CoinMiner, 1 x CoinMiner.XMRig)
ssdeep 12288:vk6XHDS5TD26H7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7Z7ZF:xXj
TLSH T10FE66AC066D3D975F9F13A319B329ED50A3FFC81EA10560AF1383A4F2CB56C256A2752
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon fcfcd4d4d4d4d8c0 (75 x RedLineStealer, 56 x RaccoonStealer, 23 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe nALIELIz Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Generic-9935605-0
Create hunting rule

Win.Dropper.Tofsee-9936853-0
Create hunting rule

Win.Malware.Tofsee-9936858-0
Create hunting rule

Win.Malware.Generic-9936886-0
Create hunting rule

Win.Malware.Generic-9936948-0
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679206fdb5602ee8cdb00a75
Tags:
tofsee emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the Windows subdirectory
Launching the process to change the firewall settings
Creating a service
Launching a service
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Enabling autorun for a service
Query of malicious DNS domain
Unauthorized injection to a system process
Adding exclusions to Windows Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt fingerprint microsoft_visual_cc overlay
Link:
https://www.filescan.io/uploads/6792040fb9aa70e293fda9f1/reports/ba735222-db5e-4a6e-ad30-aa2bd2e75a86/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
Result
Verdict:
MALICIOUS
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3a79add4-a1fe-4da1-b5cb-6fe0bbdc61bc
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1597455
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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 API chain indicative of debugger detection
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious New Service Creation
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: 1597455 Sample: GyqLf1nQ3q.exe Startdate: 23/01/2025 Architecture: WINDOWS Score: 100 43 patmushta.info 2->43 45 yahoo.com 2->45 47 6 other IPs or domains 2->47 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for dropped file 2->59 61 11 other signatures 2->61 8 utmhapjt.exe 2->8         started        11 GyqLf1nQ3q.exe 2 2->11         started        signatures3 process4 file5 63 Detected unpacking (changes PE section rights) 8->63 65 Detected unpacking (overwrites its own PE header) 8->65 67 Found API chain indicative of debugger detection 8->67 73 3 other signatures 8->73 14 svchost.exe 1 8->14         started        41 C:\Users\user\AppData\Local\...\utmhapjt.exe, PE32 11->41 dropped 69 Uses netsh to modify the Windows network and firewall settings 11->69 71 Modifies the windows firewall 11->71 18 cmd.exe 1 11->18         started        21 netsh.exe 2 11->21         started        23 cmd.exe 2 11->23         started        25 3 other processes 11->25 signatures6 process7 dnsIp8 49 104.131.68.180, 443, 53535, 53596 DIGITALOCEAN-ASNUS United States 14->49 51 mta5.am0.yahoodns.net 67.195.204.72, 25 YAHOO-3US United States 14->51 53 3 other IPs or domains 14->53 75 System process connects to network (likely due to code injection or exploit) 14->75 77 Found API chain indicative of debugger detection 14->77 79 Deletes itself after installation 14->79 81 Adds extensions / path to Windows Defender exclusion list (Registry) 14->81 39 C:\Windows\SysWOW64\...\utmhapjt.exe (copy), PE32 18->39 dropped 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        file9 signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
Detection:
tofsee
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-02-03 15:44:08 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v3ugnradgbfzhx4levp3iuxmdis3sek3za2xjcpefisjrmdf23tq._file
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee defense_evasion discovery execution persistence privilege_escalation trojan
Link:
https://tria.ge/reports/250123-kvfynssphw/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Launches sc.exe
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Executes dropped EXE
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
Tofsee
Tofsee family
Windows security bypass
Malware Config
C2 Extraction:
patmushta.info
ovicrush.cn
Verdict:
Malicious
Tags:
Win.Trojan.Generic-9935605-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d3e834c1-fae7-4101-a207-4d72715676ea
Unpacked files
SH256 hash:
2a0136875f26961b7dd057eb51511da1af53257d2faaa0e04b6ee80e5dfa0901
MD5 hash:
fcb400ce56c2e2d8d5ed66aedfa07028
SHA1 hash:
350a4e2b3dafba173af0b04980df31be9d3193a4
Detections:
Tofsee
Create hunting rule
win_tofsee_w0
Create hunting rule
Detect_Tofsee
Create hunting rule
MALWARE_Win_Tofsee
Create hunting rule
MALWARE_Win_Grum
Create hunting rule
Link:
https://www.unpac.me/results/718ddaa3-740e-4b2e-aecd-ebc978fe9396/
Parent samples :
7872562982688229ba9bcf6b09cd7282229da0b0690aec62c163e43fcb305631
3710148e7676d904f8b7626c4275ef85777ec3ec99d354246c8d3c5663c6961a
4fb79897fd57ac7d1724c92ef26e493e15d974f83c2c7f6e72af4f6e8084ff20
8c505862e16dd60fe08e63fd75b3460f21201f77c19d0c4793a68a7b35f5f2e5
5d79e81b0646780b04099e4fe9b4805a97d2ae818443d644a87905dc40cd9e68
aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
SH256 hash:
aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7
MD5 hash:
230a0f7a92817287a65dedd374a65de1
SHA1 hash:
1ae84ba5933c65e5bfd2b65841f3e0088ee9f441
Link:
https://www.unpac.me/results/718ddaa3-740e-4b2e-aecd-ebc978fe9396/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aee866c40330/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/aee866c403304b93df8b255fb452ec1a25b9115bc8357489e42a2498b065d6e7

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_Tofsee
Create hunting rule
Author:@malgamy12
Description:Detect_Tofsee
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MALWARE_Win_Grum
Create hunting rule
Author:ditekSHen
Description:Detect Grum spam bot
Rule name:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:tofsee_yhub
Create hunting rule
Author:Billy Austin
Description:Detects Tofsee botnet, also known as Gheg
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Tofsee_26124fe4
Create hunting rule
Author:Elastic Security
Rule name:win_tofsee_bot
Create hunting rule
Author:akrasuski1
Description:Tofsee malware
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::DnsHostnameToComputerNameW

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