7e5813638c13661fa28cf5c6e73f192be2e646a769efd0ed107f817ade2bd1cb

Analysis

max time kernel
148s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:54

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General

Target

42ebc9b41ac314b18f8b9d109c854d7d.exe
Size

250KB
MD5

42ebc9b41ac314b18f8b9d109c854d7d
SHA1

2aa97e5b7909d495fe4e32293eeb32a408be6fc2
SHA256

7e5813638c13661fa28cf5c6e73f192be2e646a769efd0ed107f817ade2bd1cb
SHA512

a586ba4f7c7aa31c9230445d2180f5d27fdc60ff550e0a9d427c5a76faf8befef9e812572cb9be81a2de6bef8e95f7ca81ae2d70713119ac48ec9c372245c47e
SSDEEP

6144:h1OgDPdkBAFZWjadD4s5MLl5u7iQu0BTSScaBN:h1OgLdaOMR5u7DB+ScyN

Score

7^/10

adware discovery spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3032	50f9686f14989.exe

Loads dropped DLL 3 IoCs

pid	Process
3032	50f9686f14989.exe
3032	50f9686f14989.exe
3032	50f9686f14989.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3032-79-0x0000000073F00000-0x0000000073F0A000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops Chrome extension 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bjhibjepjplnhecjdilpdefpfdnigalc\1\manifest.json	50f9686f14989.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\ = "Zoomex"	50f9686f14989.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\NoExplorer = "1"	50f9686f14989.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0006000000023234-32.dat	nsis_installer_1
behavioral2/files/0x0006000000023234-32.dat	nsis_installer_2

Modifies registry class 45 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\ProgID\ = "Zoomex.1"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\ = "Zoomex"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\ProgramData\\Zoomex\\50f9686f149c1.tlb"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\InProcServer32	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\ProgID	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\ProgramData\\Zoomex"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\InProcServer32\ = "C:\\ProgramData\\Zoomex\\50f9686f149c1.dll"	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94}\InProcServer32\ThreadingModel = "Apartment"	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	50f9686f14989.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	50f9686f14989.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 3032	1364	42ebc9b41ac314b18f8b9d109c854d7d.exe	21
PID 1364 wrote to memory of 3032	1364	42ebc9b41ac314b18f8b9d109c854d7d.exe	21
PID 1364 wrote to memory of 3032	1364	42ebc9b41ac314b18f8b9d109c854d7d.exe	21

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	50f9686f14989.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{ED3B4BD7-6E78-B6D9-7F33-9D7E9DE1CE94} = "1"	50f9686f14989.exe

C:\Users\Admin\AppData\Local\Temp\42ebc9b41ac314b18f8b9d109c854d7d.exe
"C:\Users\Admin\AppData\Local\Temp\42ebc9b41ac314b18f8b9d109c854d7d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\7zS4882.tmp\50f9686f14989.exe
  .\50f9686f14989.exe /s
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - System policy modification
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS4882.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
5b84f47fab721970100b68b77cdb3c05

SHA1
e3487bd4fe9d8285b67d0ec4450186c9dae4285b

SHA256
0734e6afed329f1a2c0f62004521fcdf2d32c6db7716b89c13de196a02ccc7c9

SHA512
14a95cdc0c435bc4f9ac790d92a9be2fd3cc06b0b25ebbb6754972704ec831c5a6d3d78323d01ac13f135c5656c9c9bb71b6c928333c859e1c2aad53bb3f1879

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4882.tmp\50f9686f14989.exe

Filesize
71KB

MD5
b78633fae8aaf5f7e99e9c736f44f9c5

SHA1
26fc60e29c459891ac0909470ac6c61a1eca1544

SHA256
d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

SHA512
3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4882.tmp\settings.ini

Filesize
6KB

MD5
f26afe0af2df8c081c33036a483551ec

SHA1
2c7788a7c0f13735f5712fa16f88eb323d067350

SHA256
60feb0d7875c2b410ef675063a0988c255cd286b6df42b4cdb326b3adc0fee86

SHA512
5dbc08cde19d20658f1e728a9ca7f9bcb1116a1859d93f5d2412d067d190999ca6100458b0f294656379a7643349938f677f95da6c30703739c71b90aab62828

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl495E.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
memory/3032-79-0x0000000073F00000-0x0000000073F0A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads