MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb58cbfca307a9d3cfe718d772f7a53079db87bc8936023d6b7adb8cf7206711. 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



Threat unknown


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: eb58cbfca307a9d3cfe718d772f7a53079db87bc8936023d6b7adb8cf7206711
SHA3-384 hash: 69a4cd15335a04f04534a6580868d4bf86d12ebc6b1bbe59402b601672a6e5ae335ecf4129f43ac34f9f75d0583f2260
SHA1 hash: f3c60ea82d5f2bd27c77e5645bbd352f3b0043b9
MD5 hash: 733a762b6d42c5da00ebfbe66ad74ef9
humanhash: harry-winter-bluebird-uniform
File name:eb58cbfca307a9d3cfe718d772f7a53079db87bc8936023d6b7adb8cf7206711
Download: download sample
File size:3'702'272 bytes
First seen:2024-05-23 09:14:23 UTC
Last seen:2024-05-23 09:26:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (40 x LummaStealer, 38 x SalatStealer, 17 x CobaltStrike)
ssdeep 49152:Xf+FqkHBNC5ENOqCFLyihANKcvIAgoEu2v2/Jl/mCkmhTfIeMNq1:vvkHBN4EIRy33goEu2v2xl/XkmhT4s
Threatray 12 similar samples on MalwareBazaar
TLSH T195067D07FC9145A9C0AAB33189B29693BB71BC491B3223D72F50B77C2E76BD46979700
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
Reporter xelemental
Tags:exe golang lockkey Ransomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
783
Origin country :
IN IN
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eb58cbfca307a9d3cfe718d772f7a53079db87bc8936023d6b7adb8cf7206711.exe
Verdict:
Malicious activity
Analysis date:
2024-05-23 09:15:07 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang monero packed redcap
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Excessive usage of taskkill to terminate processes
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Behaviour
Behavior Graph:
Threat name:
Win64.Ransomware.FileCoder
Status:
Malicious
First seen:
2024-05-21 08:51:08 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion execution impact ransomware
Behaviour
Interacts with shadow copies
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Deletes shadow copies
Renames multiple (211) files with added filename extension
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
eb58cbfca307a9d3cfe718d772f7a53079db87bc8936023d6b7adb8cf7206711
MD5 hash:
733a762b6d42c5da00ebfbe66ad74ef9
SHA1 hash:
f3c60ea82d5f2bd27c77e5645bbd352f3b0043b9
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
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.

  
Delivery method
Other

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
Reviews
IDCapabilitiesEvidence
CERT_METHODSManipulates Certificates and Keyscrypto/x509.ParsePKIXPublicKey
DNS_METHODSPerforms DNS callsvendor/golang.org/x/net/dns/dnsmessage.init
vendor/golang.org/x/net/dns/dnsmessage::inittask
vendor/golang.org/x/net/dns/dnsmessage.classNames
vendor/golang.org/x/net/dns/dnsmessage.rCodeNames
vendor/golang.org/x/net/dns/dnsmessage.sectionNames
EXEC_METHODSCan Execute Commandsos.StartProcess
os/exec.Command
os/exec.Command.func1
syscall.StartProcess
syscall.StartProcess.func4
syscall.StartProcess.func3
syscall.StartProcess.func2
FILE_IO_READCan Read Filesos.OpenFile
os.openFileNolog
FILE_IO_WRITECan Create and Remove Filesos.rename
os.WriteFile
os.newFile
os.newFileStatFromGetFileInformationByHandle
OS_METHODSCan Execute OS commandsos.Kill
SYSCALL_METHODSCan perform system-level operationssyscall.Open
WEAK_CRYPTOUses Weak Cryptographic Algorithmscrypto/md5.init.0
crypto/md5.(*digest).Reset
crypto/md5.New
crypto/md5.(*digest).Size
crypto/md5.(*digest).BlockSize
crypto/md5.(*digest).Write
crypto/md5.(*digest).Sum
crypto/md5.(*digest).checkSum
crypto/md5.block.abi0
crypto/md5::inittask
go:itab.*crypto/md5.digest
hash.Hash

Comments