MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857e90a2dd27c9a704cd80e71ffbe8c8f116b427320478e4fd2848d40080d70d. 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



HijackLoader


Vendor detections: 16


Intelligence 16 IOCs YARA 23 File information Comments

SHA256 hash: 857e90a2dd27c9a704cd80e71ffbe8c8f116b427320478e4fd2848d40080d70d
SHA3-384 hash: d2c34b2c591461ccf969b70c444053ec05a09f82914445cb84df9ed48d86b10fb795c309aab71ca57035a0df707d83c9
SHA1 hash: fc24c0642645b38ad1db3824aaa9f293c698d683
MD5 hash: 6f480bb8aa2955f601af89dc25775384
humanhash: high-jig-thirteen-beer
File name:Claim Final Paperwork.exe
Download: download sample
Signature HijackLoader
File size:13'885'177 bytes
First seen:2025-10-29 21:10:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ac1646024d52d1534a88da2e8037cd (9 x OffLoader, 8 x HijackLoader, 7 x Tofsee)
ssdeep 196608:XDb9nmSQ+bmIFzZxU4WSmfjrMG9f4PGprmkI6di/L/Dvlfd4uTTJG7PoPqg34EmD:XDRnmStb/RZzWpfo8rg/FzGNg/mD
Threatray 2 similar samples on MalwareBazaar
TLSH T13BE6231361CEE3F9E06A59358C62BAA4443F6D50D11A8C639EE4BD4CEE390601D7FE1E
TrID 62.3% (.EXE) Inno Setup installer (107240/4/30)
24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.1% (.EXE) Win64 Executable (generic) (10522/11/4)
2.6% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter Anonymous
Tags:exe HIjackLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ClaimFinalPaperwork.exe
Verdict:
Malicious activity
Analysis date:
2025-10-29 21:22:09 UTC
Tags:
hijackloader loader auto-startup

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

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a file in the %AppData% subdirectories
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug embarcadero_delphi fingerprint inno installer installer installer-heuristic overlay packed zero
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-29T19:48:00Z UTC
Last seen:
2025-10-29T19:59:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Win32.Agent.gen Trojan.Win32.Strab.sb Trojan.Win32.Penguish.sb Trojan.Win32.Delf.sb Trojan.Win32.Agent.sb
Malware family:
Sunstream Labs
Verdict:
Suspicious
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Hijackloader
Status:
Malicious
First seen:
2025-10-29 21:22:10 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
hijackloader
Score:
  10/10
Tags:
family:hijackloader adware credential_access discovery loader spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Unpacked files
SH256 hash:
857e90a2dd27c9a704cd80e71ffbe8c8f116b427320478e4fd2848d40080d70d
MD5 hash:
6f480bb8aa2955f601af89dc25775384
SHA1 hash:
fc24c0642645b38ad1db3824aaa9f293c698d683
SH256 hash:
925a3081855e72324ba79daba09ccd0ac5e31b781ed9b5fb4deab92b00fbc1b3
MD5 hash:
3220758047bd03b666a6171f58c2ad92
SHA1 hash:
f9f4680b43a7faa55d2216a3156afa02e3d061cb
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
Malware family:
IDATLoader
Verdict:
Malicious
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_Sandworm_ArguePatch_Apr_2022_1
Author:Arkbird_SOLG
Description:Detect ArguePatch loader used by Sandworm group for load CaddyWiper
Reference:https://www.welivesecurity.com/2022/04/12/industroyer2-industroyer-reloaded/
Rule name:Borland
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
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:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

Comments