MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda. 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

DocSaStealer

Vendor detections: 11

Intelligence 11 IOCs YARA 26 File information Comments

SHA256 hash:	d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda
SHA3-384 hash:	fba2f2d9b143ecc84ab2779fa9a3f77101750c6baf72d55f5519eb79699c9f4e63c1c045d52e39c7c0ee3b0ab0670b06
SHA1 hash:	2b671eb88103b9af4fb79f494eab79f80f0d7899
MD5 hash:	dced1923790be572edf4191106a6dc10
humanhash:	mike-magnesium-timing-sodium
File name:	gup_util.dll
Download:	download sample
Signature	DocSaStealer Create hunting rule
File size:	2'308'048 bytes
First seen:	2026-06-27 18:27:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	19061a0685d6c386564244409c0f32a8 (1 x DocSaStealer)
ssdeep	24576:zCMTmpxBgtNJS4BauRVpXcI0MVKUXNeIbUdv5FKmgu:zCgQBgX04NUd3t
TLSH	T1A5B53907BE9488A9D4AA4631897293A17B31FC085F2123C73A90BF7A3FB76D15D75384
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	10e8c88e8eccc810 (1 x DocSaStealer)
Reporter	burger
Tags:	DocSaStealer exe signed

Code Signing Certificate

Organisation:	Device Driver Health View, O=BlueIsle Field Software, GmbH, OU=Software Publishing, L=Amsterdam, C=NL
Issuer:	Device Driver Health View, O=BlueIsle Field Software, GmbH, OU=Software Publishing, L=Amsterdam, C=NL
Algorithm:	sha384WithRSAEncryption
Valid from:	2026-06-27T17:07:49Z
Valid to:	2027-06-27T17:17:49Z
Serial number:	6c77002152a331af4a2cfc1e9b7b4a18
Thumbprint Algorithm:	SHA256
Thumbprint:	b5a98e625644ade706e1870024c66361e064d1d8bd9ecafec37ddcfedf297b4f
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

169

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

gup_util.dll

Verdict:

No threats detected

Analysis date:

2026-06-27 18:27:47 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/dd243537-a1ea-4e79-9aa6-309d80eeb6ef

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/72241/

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a40162286bc95245bfa04cc

Tags:

injection emotet obfusc crypt

Result

Verdict:

Clean

Maliciousness:

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm crypto fingerprint golang masquerade packed signed

Link:

https://www.filescan.io/uploads/6a4016500e2c1d5705a928de/reports/3a64d429-38e9-4f17-8948-a6fc4efe3d39/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda

Verdict:

Malicious

File Type:

dll x64

First seen:

2026-06-27T15:33:00Z UTC

Last seen:

2026-06-28T01:48:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.DLLhijack.sb Trojan.Win64.DLLhijack.fkr

Link:

https://opentip.kaspersky.com/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/c576503e-0a4e-4b19-9770-cf5bb5f55588

Result

Threat name:

DocSa Stealer

Detection:

malicious

Classification:

troj.spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1934523

Signature

AI detected suspicious PE / MSI digital signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Creates / moves files in alternative data streams (ADS)

Creates an undocumented autostart registry key

Found direct / indirect Syscall (likely to bypass EDR)

Found evasive API chain (exiting after language check)

Found many strings related to Crypto-Wallets (likely being stolen)

Hides threads from debuggers

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Overwrites code with unconditional jumps - possibly settings hooks in foreign process

PE file contains section with special chars

Potentially malicious time measurement code found

Queries DNS domain through GetComputerNameExW (potential sandbox evasion)

Sets debug register (to hijack the execution of another thread)

Sigma detected: Suspicious Script Execution From Temp Folder

Suricata IDS alerts for network traffic

Suspicious powershell command line found

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes / dynamic malware analysis system (Installed program check)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected DocSa Stealer by APT28

Behaviour

Behavior Graph:

Download SVG

Score:

55%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda/

Verdict:

Malicious

Threat:

Trojan.Win32.DLLhijack

Link:

https://tip.neiki.dev/file/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda

Threat name:

Win64.Trojan.DllHijack

Status:

Suspicious

First seen:

2026-06-27 18:28:02 UTC

File Type:

PE+ (Dll)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=23jyygcq4iuybe4fiihji47l22h4tlpi2pjleucsyr3hihnvfpna._file

Result

Malware family:

n/a

Score:

8/10

Tags:

adware persistence ransomware spyware

Link:

https://tria.ge/reports/260627-w4kh1acw91/

Behaviour

Checks SCSI registry key(s)

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Enumerates connected drives

Boot or Logon Autostart Execution: Active Setup

Unpacked files

SH256 hash:

d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda

MD5 hash:

dced1923790be572edf4191106a6dc10

SHA1 hash:

2b671eb88103b9af4fb79f494eab79f80f0d7899

Link:

https://www.unpac.me/results/5052cf71-3a99-4f7d-b565-5d8c19185bd0/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.68

Link:

https://yomi.yoroi.company/submissions/d6d38c1850e229809385420e9473ebd68fc9ade8d3d2b25052c476741db52bda

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__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

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_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

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:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RemusStealer_GoPayload Create hunting rule
Author:	burger
Description:	Detects RemusStealer Go-compiled payload

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	TH_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt rule - 2025
Reference:	https://cyfare.net/

File information

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

Cape

https://www.capesandbox.com/analysis/72241/

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