MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada. 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: 8

Intelligence 8 IOCs YARA 45 File information Comments

SHA256 hash:	aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada
SHA3-384 hash:	bbaf18365acef157dd16dae835b66330251db416d6b6d338a7eef159a7ead5436d4996c089eccb8556480d570ea44c07
SHA1 hash:	c22e81590b910b0b479f7dfee11cc9ec1c691414
MD5 hash:	576bfba568e0de0acda9fb03bfb0fa5c
humanhash:	stairway-oxygen-nebraska-magnesium
File name:	client.exe
Download:	download sample
File size:	16'850'432 bytes
First seen:	2026-07-28 05:30:51 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (1'448 x Vidar, 343 x RemusStealer, 134 x Stealc)
ssdeep	196608:/yz3GhtuzK9YgIEvZJ3rvw/XC/0HeTVzPWa:/G3Ghtue9HvZJk/yM+BzP1
TLSH	T16E077D43E87506E9C0ADA276C6679663BA743C844F3163C36BA0BB381F727D0AE75741
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	30f0f0cccce8f030
Reporter	BlinkzSec

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/76510/

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a file in the %AppData% subdirectories

Running batch commands

Creating a process with a hidden window

Launching a process

Creating a file

Verdict:

Malicious

Labled as:

Yogi.Generic

Link:

https://www.hybrid-analysis.com/sample/aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-07-18T03:20:00Z UTC

Last seen:

2026-07-29T18:31:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/dc6e2c7d-c9f0-4616-b93f-c4d52aea9d2e

Score:

78%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/576bfba568e0de0acda9fb03bfb0fa5c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada/

Threat name:

Win64.Trojan.Yogi

Status:

Malicious

First seen:

2026-07-17 09:27:23 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vi3fkrochfd6gwcskz3rlbok3ouv2t35yfbx7lbmwum5k7fzzlna._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion

Link:

https://tria.ge/reports/260728-f71fmaztdt/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Looks for VMWare Tools registry key

Looks for VMWare services registry key.

Enumerates VirtualBox registry keys

Looks for VirtualBox Guest Additions in registry

Unpacked files

SH256 hash:

aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada

MD5 hash:

576bfba568e0de0acda9fb03bfb0fa5c

SHA1 hash:

c22e81590b910b0b479f7dfee11cc9ec1c691414

Link:

https://www.unpac.me/results/6d6583e4-3283-4d10-9ec8-a180729b1ff6/

SH256 hash:

046408e7bbefca253eb5dff033b8877e932e509d9f00b69b1e9bf07ddc7a7a99

MD5 hash:

e2fc068ccf82616360ab60a29895728c

SHA1 hash:

f9a6712148d0887c2d439786c2e516a3c6037f40

Link:

https://www.unpac.me/results/6d6583e4-3283-4d10-9ec8-a180729b1ff6/

SH256 hash:

dac13a969fa6991646dfbe430d35a78fca22ebb73e7c3d365e207a46482c908e

MD5 hash:

dc519084bad035aa0e98957f9a0ec0e5

SHA1 hash:

98e3bff331d3715358dcb7c84a1c7bd9ccc53482

Link:

https://www.unpac.me/results/6d6583e4-3283-4d10-9ec8-a180729b1ff6/

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/aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada

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:	aix Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AIX binary

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

Rule name:	CMD_Ping_Localhost Create hunting rule

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

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

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

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

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	enterpriseunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise UNIX

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_References_SecTools Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many IR and analysis tools

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

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

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:	Sus_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

Rule name:	test_rule_vldslv Create hunting rule

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_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

exe aa365545c23947e3585256771585cadba95d4f7dc1437fac2cb519d57cb9cada

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3892864/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/76510/

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