MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d090d1c36de5620283f2c78853739f3ba4d16c8bb0bf1b40dbe415b927e645. 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



PrivateLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 26 File information Comments

SHA256 hash: a5d090d1c36de5620283f2c78853739f3ba4d16c8bb0bf1b40dbe415b927e645
SHA3-384 hash: 1a443fcb80418a4ad7289c5b605e75e9d16690c84b4dd54300c1a95f5c44d8b7eb4eab338b4f5d896f019d07aa90f758
SHA1 hash: e7fb9e0cfc49592f6a9ad779c9e12487061be201
MD5 hash: 10c3a586f9053a76a712b2091e5bbe28
humanhash: butter-march-rugby-grey
File name:tmtsUDj.exe
Download: download sample
Signature PrivateLoader
File size:14'733'312 bytes
First seen:2025-05-26 15:10:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 60 x Vidar, 41 x LummaStealer)
ssdeep 98304:n8I3vHSjlDf/zwHtG69xadVNiQZMEzQI/sPWVj2MqGZEiTZ:nElDnzwHYrj/suF2MqG6iTZ
TLSH T1ACE66B97E85144E5C4A9D134CA7292637B707C485F3063D73BA0F3682FB6BE06ABA354
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 8678dcce82b0d88b (1 x PrivateLoader)
Reporter abuse_ch
Tags:exe PrivateLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
443
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ff90a3408afbf8b9881e45e77e72276d.exe
Verdict:
Malicious activity
Analysis date:
2025-05-26 09:31:26 UTC
Tags:
amadey botnet stealer loader auto-sch rdp lumma telegram screenconnect rmm-tool github evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware sage remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto golang
Result
Threat name:
GhostRat
Detection:
malicious
Classification:
evad.mine.troj
Score:
100 / 100
Signature
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Found malware configuration
Found strings related to Crypto-Mining
Found suspicious ZIP file
Malicious sample detected (through community Yara rule)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected generic Shellcode Injector
Yara detected GhostRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699337 Sample: tmtsUDj.exe Startdate: 26/05/2025 Architecture: WINDOWS Score: 100 50 pub-253530798d9e45399631e3c9febae520.r2.dev 2->50 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 6 other signatures 2->66 8 ShangdianDataService.exe 51 2->8         started        11 tmtsUDj.exe 4 2->11         started        15 svchost.exe 2->15         started        17 5 other processes 2->17 signatures3 process4 dnsIp5 40 C:\ProgramData\...\procexp64a.exe, PE32+ 8->40 dropped 42 C:\ProgramData\ShengquGames\...\procexp64.exe, PE32+ 8->42 dropped 44 C:\ProgramData\ShengquGames\...\procexp.exe, PE32 8->44 dropped 48 4 other malicious files 8->48 dropped 19 exeinfope.exe 3 1 8->19         started        54 pub-253530798d9e45399631e3c9febae520.r2.dev 162.159.140.237, 443, 49691 CLOUDFLARENETUS United States 11->54 46 C:\ProgramData\...\ShangdianDataService.exe, PE32+ 11->46 dropped 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->70 22 msedgewebview2.exe 33 207 11->22         started        25 ShangdianDataService.exe 3 3 11->25         started        72 Changes security center settings (notifications, updates, antivirus, firewall) 15->72 27 MpCmdRun.exe 15->27         started        file6 signatures7 process8 dnsIp9 52 38.181.35.237, 49700, 49701, 80 COGENT-174US United States 19->52 68 Found strings related to Crypto-Mining 22->68 29 msedgewebview2.exe 18 22->29         started        32 msedgewebview2.exe 22->32         started        34 msedgewebview2.exe 22->34         started        38 2 other processes 22->38 36 conhost.exe 27->36         started        signatures10 process11 dnsIp12 56 chrome.cloudflare-dns.com 172.64.41.3, 443, 49692, 49693 CLOUDFLARENETUS United States 29->56 58 127.0.0.1 unknown unknown 29->58
Result
Malware family:
privateloader
Score:
  10/10
Tags:
family:donutloader family:privateloader defense_evasion discovery loader trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
System Location Discovery: System Language Discovery
Drops file in Windows directory
UPX packed file
Checks whether UAC is enabled
Enumerates connected drives
Network Share Discovery
Executes dropped EXE
Loads dropped DLL
Detects DonutLoader
DonutLoader
Donutloader family
PrivateLoader
Privateloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a5d090d1c36de5620283f2c78853739f3ba4d16c8bb0bf1b40dbe415b927e645
MD5 hash:
10c3a586f9053a76a712b2091e5bbe28
SHA1 hash:
e7fb9e0cfc49592f6a9ad779c9e12487061be201
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:APT_Bitter_ZxxZ_Downloader
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:grakate_stealer_nov_2021
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:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
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.

Web download

PrivateLoader

Executable exe a5d090d1c36de5620283f2c78853739f3ba4d16c8bb0bf1b40dbe415b927e645

(this sample)

  
Delivery method
Distributed via web download

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

Comments