MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751. 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


Sarcoma


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
SHA3-384 hash: 2fa9cdf21fc4b17deb7a3aa02670bbf8389dd1e31efd6c2e99b65631ffcd2f54307a15a2b61f26471b0232b4ab720c16
SHA1 hash: 6b249c9bffd3698a3033a4110e387a711c488154
MD5 hash: b7e0af5dbb170d91c63b700d8b324203
humanhash: bulldog-venus-lamp-cat
File name:6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
Download: download sample
Signature Sarcoma
Create hunting rule
File size:3'417'088 bytes
First seen:2025-04-05 05:52:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d437aad619af88e914fa3015f428c33f (1 x Sarcoma)
ssdeep 49152:l4wDeyVeECuIhRjp1bj5MDau+4w38wRTuWKd:x5AbFgau+4QJuW
TLSH T15CF57C27E6A380DDC57BC130432B9273B571BC5A12753A6E2B64EB291F71F60462EF24
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter JAMESWT_WT
Tags:exe Ransomware Sarcoma

Intelligence

File Origin
# of uploads :
1
# of downloads :
628
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
Verdict:
Malicious activity
Analysis date:
2025-04-05 05:55:10 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/bbfaa578-a0d7-48ef-91af-15122b878c89

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/674/
Detection(s):
SecuriteInfo.com.Trojan.Encoder.41909.22381.24430.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f0c739855e5ec5240f039b
Tags:
xtreme virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Searching for the window
Network activity
Running batch commands
Launching the process to interact with network services
Creating a file in the mass storage device
Using obfuscated Powershell scripts
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
action anti-debug anti-vm crypto expand fingerprint lolbin packed packed packer_detected redcap schtasks
Link:
https://www.filescan.io/uploads/67f0c5412d430c849e07dd6b/reports/b1189d50-a6e3-4ab0-97e0-0632f4924fa8/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/efa8f884-2926-4797-8023-106973e52722
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1657115
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Gathers information about network shares
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Opens network shares
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: HackTool - CrackMapExec PowerShell Obfuscation
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Suspicious powershell command line found
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1657115 Sample: 1CCc6vJs4K.exe Startdate: 05/04/2025 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Powershell decode and execute 2->40 42 Found Tor onion address 2->42 44 7 other signatures 2->44 7 1CCc6vJs4K.exe 2->7         started        11 svchost.exe 1 1 2->11         started        process3 dnsIp4 30 192.168.2.1, 274 unknown unknown 7->30 32 192.168.2.10 unknown unknown 7->32 36 24 other IPs or domains 7->36 46 Suspicious powershell command line found 7->46 48 Opens network shares 7->48 50 PowerShell case anomaly found 7->50 52 Gathers information about network shares 7->52 13 powershell.exe 19 7->13         started        16 cmd.exe 1 7->16         started        34 127.0.0.1 unknown unknown 11->34 signatures5 process6 signatures7 54 Found suspicious powershell code related to unpacking or dynamic code loading 13->54 18 WMIC.exe 1 13->18         started        20 WMIC.exe 1 13->20         started        22 WMIC.exe 1 13->22         started        28 4 other processes 13->28 56 Gathers information about network shares 16->56 24 conhost.exe 16->24         started        26 net.exe 1 16->26         started        process8
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751/
Threat name:
Win64.Ransomware.Sarcoma
Create hunting rule
Status:
Malicious
First seen:
2025-04-04 08:00:17 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzu4725fmgnw6tmaweubvx7gtsd5qrplvl46qpbf56qbvath45iq._file
Verdict:
malicious
Label(s):
ymirransomware
Create hunting rule
Similar samples:
error
Sarcoma
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution ransomware
Link:
https://tria.ge/reports/250405-glccca1xhs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Deletes itself
Renames multiple (181) files with added filename extension
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f643664b-8c9a-45b0-969e-79cf8021d91a
Unpacked files
SH256 hash:
6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751
MD5 hash:
b7e0af5dbb170d91c63b700d8b324203
SHA1 hash:
6b249c9bffd3698a3033a4110e387a711c488154
Link:
https://www.unpac.me/results/8d3291a8-4577-4f3c-a0d0-295cde1f0255/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6669cfeba561/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/6669cfeba5619b6f4d80b1281adfe69c87d845ebaaf9e83c25efa01a8267e751

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/674/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserA
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WinExec
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LogonUserA
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::closesocket
WS2_32.dll::recvfrom
WS2_32.dll::sendto
WS2_32.dll::setsockopt
WS2_32.dll::socket
WS2_32.dll::WSACleanup

Comments