MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9. 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


TetraLoader


Vendor detections: 13


Intelligence 13 IOCs YARA 39 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
SHA3-384 hash: 9f1eb5e30277e191962dca06bfec7fe1ecba9883e545ba2f46baa0ca4db728cab3502511c386822610f17622a90fcfc8
SHA1 hash: e760717e7eee446480dc7947b2a0751a0bc1f651
MD5 hash: e80eb9d5accd75020f311400faefdc58
humanhash: whiskey-hamper-mexico-burger
File name:4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
Download: download sample
Signature TetraLoader
Create hunting rule
File size:408'576 bytes
First seen:2025-12-14 07:20:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00c4d29438c3b17d4904603a74e9be6d (1 x TetraLoader)
ssdeep 6144:it4cP2HRbWJa+78daPojHHtNMh0angP2d7sua:cvgy8centNMh0IgPg
Threatray 3 similar samples on MalwareBazaar
TLSH T17A94C331B90124BAE6EAC0744259851225397C8DCB2879FB15E462342FF7FFB1B3A61C
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Anonymous
Tags:exe Rust TetraLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
Origin country :
GB GB
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9.exe
Verdict:
No threats detected
Analysis date:
2025-12-14 07:21:05 UTC
Tags:
rust
Link:
https://app.any.run/tasks/1d824c7b-dc59-4863-ba24-794dcadd88c2

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/44592/
Detection(s):
Win.Loader.TetraLoader-10042731-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693e6561a62a7a3aa046cb09
Tags:
malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm base64 crypt rust
Link:
https://www.filescan.io/uploads/693e6569900ee247e843b0ce/reports/4eed6f01-9183-41be-a77a-4c61eb53104f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-01-19T19:13:00Z UTC
Last seen:
2025-12-14T07:37:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Throwback.tf PDM:Exploit.Win32.Generic VHO:Trojan.Win64.Throwback.tf
Link:
https://opentip.kaspersky.com/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6ef5b0d-2d62-471e-9cc8-e265b147cc34
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9/
Verdict:
Malicious
Threat:
Trojan.Win64.Throwback
Link:
https://tip.neiki.dev/file/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
Threat name:
Win64.Trojan.Shelm
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 09:33:09 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j76dhpoikj5c5dfypze43qlmhmkibx6bgxsqpvks6wa2m7iykcuq._file
Verdict:
malicious
Label(s):
darkbit
Create hunting rule
tetraloader
Create hunting rule
Similar samples:
790be898816a33745a2b31b14aaf3a876d61fcc5cf587368c759625f127dd18d
TetraLoader
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/251214-h6tykawrhz/
Behaviour
Suspicious use of WriteProcessMemory
Verdict:
Malicious
Tags:
Win.Loader.TetraLoader-10042731-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c80b3b5d-27c3-4f71-ab88-e58b886e024d
Unpacked files
SH256 hash:
4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9
MD5 hash:
e80eb9d5accd75020f311400faefdc58
SHA1 hash:
e760717e7eee446480dc7947b2a0751a0bc1f651
Link:
https://www.unpac.me/results/b2f00108-85e2-40df-baa9-19b9e43e7662/
Malware family:
TetraLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ffc33bdc852/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/4ffc33bdc8527a2e8cb87e49cdc16c3b1480dfc135e507d552f581a67d1850a9

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SuspiciousDll
Create hunting rule
Author:martclau
Description:Detects SolarWinds Orion backdoor
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

File information

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

  
Link
https://blog.talosintelligence.com/uat-6382-exploits-cityworks-vulnerability/
Cape
Cape
https://www.capesandbox.com/analysis/44592/

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