MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00. 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: 11

Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash:	12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00
SHA3-384 hash:	1a2670eb5b79e422020107a640902bbf78faa63d52cace4768f7511290f8a67d0785fafbac9a08bc04551cc5d67e2657
SHA1 hash:	c4e5310804ccf80105c2d889b43f379cd716935c
MD5 hash:	ea54662358f3c84fdafded3b9e792670
humanhash:	tennis-ohio-charlie-eighteen
File name:	ZoomInstaller.exe
Download:	download sample
File size:	5'858'848 bytes
First seen:	2025-10-30 12:17:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	98304:gh/evJLeTmDDi9UeK7kqXf0FGxLCbD3ha5Uc6v6O3xUM3/L9LI/cbt7/Cp/z2OIn:gh/ev5eTeW90kSIbDoUcfOhzT9cEt72Q
TLSH	T1A9461204F7A5061DF466FAF62D21711146B3BE479815C649E3B33088EA76E43CE6C2EE
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	Anonymous
Tags:	exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ZoomInstaller.exe

Verdict:

Malicious activity

Analysis date:

2025-10-30 12:21:23 UTC

Tags:

syncro rmm-tool websocket arch-exec

Link:

https://app.any.run/tasks/47632d5f-03fa-475a-8485-a5bbf9fd58c9

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/34793/

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69035766706befaf4eca5800

Tags:

dropper packed micro

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a window

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Creating a file in the Program Files subdirectories

Using the Windows Management Instrumentation requests

Running batch commands

Launching a process

Loading a suspicious library

Creating a service

Launching a service

Searching for synchronization primitives

Moving a recently created file

Searching for the window

Creating a file in the Windows subdirectories

Unauthorized injection to a recently created process

Enabling autorun for a service

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

base64 cmd installer-heuristic lolbin overlay packed reconnaissance signed squirrel

Link:

https://www.filescan.io/uploads/6903577bde25fddba05d3aed/reports/d3b7a5b5-e9b8-4f36-824b-fac4e531597d/overview

Verdict:

Malicious

Labled as:

MSIL/RemoteAdmin.Servably

Link:

https://www.hybrid-analysis.com/sample/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00

Verdict:

Adware

File Type:

exe x32

First seen:

2025-10-30T13:18:00Z UTC

Last seen:

2025-10-30T13:37:00Z UTC

Hits:

~10

Detections:

not-a-virus:HEUR:RemoteAdmin.MSIL.Syncro.gen

Link:

https://opentip.kaspersky.com/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/4c68b7ca-153f-4726-b008-1a49c232c38a

Score:

28%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00

Verdict:

Malware

YARA:

11 match(es)

Tags:

.Net Executable Fody/Costura Packer Managed .NET PDB Path PE (Portable Executable) PE File Layout PowerShell SOS: 0.00 SOS: 0.01 SOS: 0.03 SOS: 0.07 SOS: 0.09 SOS: 0.11 SOS: 0.12 SOS: 0.13 SOS: 0.14 SOS: 0.15 SOS: 0.17 SOS: 0.18 SOS: 0.19 SOS: 0.20 SOS: 0.21 SOS: 0.22 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.28 SOS: 0.29 SOS: 0.30 SOS: 0.31 SOS: 0.32 SOS: 0.33 SOS: 0.35 SOS: 0.39 SOS: 0.51 SOS: 0.68 SOS: 0.73 Win 32 Exe x86

Link:

https://app.malva.re/file/ea54662358f3c84fdafded3b9e792670

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00/

Verdict:

Malicious

Threat:

Trojan.Msil

Link:

https://tip.neiki.dev/file/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ck43pgqjxmh6obk6frgy3hikqki5ecqakkcdpdkjq4e7jtukjmaa._file

Result

Malware family:

n/a

Score:

8/10

Tags:

bootkit defense_evasion discovery persistence

Link:

https://tria.ge/reports/251030-pgcrbazqay/

Behaviour

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

System policy modification

Uses Task Scheduler COM API

Enumerates physical storage devices

Checks installed software on the system

Drops file in Program Files directory

Executes dropped EXE

Launches sc.exe

Loads dropped DLL

Checks computer location settings

Drops file in System32 directory

Downloads MZ/PE file

Enumerates connected drives

Writes to the Master Boot Record (MBR)

Sets service image path in registry

Unpacked files

SH256 hash:

12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00

MD5 hash:

ea54662358f3c84fdafded3b9e792670

SHA1 hash:

c4e5310804ccf80105c2d889b43f379cd716935c

Link:

https://www.unpac.me/results/13a7a141-83f8-44f1-9f27-89976042d455/

SH256 hash:

19e056ddd620509caaf0956733b54b0e6c32b6efe769dfd9339474d15040591b

MD5 hash:

086cdbfc04719a1f95ce1b5736bf66e3

SHA1 hash:

117aa6c4472cce6b281ff05f263b445ebd84d464

Link:

https://www.unpac.me/results/13a7a141-83f8-44f1-9f27-89976042d455/

SH256 hash:

ef093e8f560e174527fef186b4f4c605837a93027deab3ae22b629f614f1025f

MD5 hash:

ea42ef163c3ed37fa0c4c92f9655c71e

SHA1 hash:

68b251ea1b66e9f463549b1a8256130b7362ee66

Link:

https://www.unpac.me/results/13a7a141-83f8-44f1-9f27-89976042d455/

SH256 hash:

1cc99f966141345362bb36079ecb08bda543a3060ef344733223ab9ad7d91fea

MD5 hash:

5b6fb9a0d3b59fbb07af1930ce38b77d

SHA1 hash:

b8d2f35e8db20d54b7ceade2fd8714d523fe7a2e

Detections:

INDICATOR_EXE_Packed_Fody

Link:

https://www.unpac.me/results/13a7a141-83f8-44f1-9f27-89976042d455/

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/12b9b79a09bb0fe7055e2c4d8d9d0a8291d20a005284378d498709f4ce8a4b00

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:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

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

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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/34793/

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