5a8a35d2d8c156d5fb1eaea401d2ba69cf201eb6a55fa7effeecc011e84a9083

Analysis

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

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 03:52

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General

Target

03ff8e73ab121b64b121aec7ea65995f.exe
Size

250KB
MD5

03ff8e73ab121b64b121aec7ea65995f
SHA1

a72ecdfaf8cca67c56bf7e0d25d6646dcbbf0135
SHA256

5a8a35d2d8c156d5fb1eaea401d2ba69cf201eb6a55fa7effeecc011e84a9083
SHA512

d1982c3d0349a3b6c01a63362d6a1951d19df302f55c90a364117b9b6b723200280ad62215c6c545e3d0812fa7fbc231186fe609e6f91012bc8ace337c584237
SSDEEP

6144:h1OgDPdkBAFZWjadD4s5Xb7UNlV/dGDhO:h1OgLdaOX6jJ

Score

7^/10

adware discovery spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3192	50f7bba2e8374.exe

Loads dropped DLL 3 IoCs

pid	Process
3192	50f7bba2e8374.exe
3192	50f7bba2e8374.exe
3192	50f7bba2e8374.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/3192-78-0x00000000747F0000-0x00000000747FA000-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\oidddockikfgicjdbkfcndebpehkihno\1\manifest.json	50f7bba2e8374.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\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\ = "Download and Sa"	50f7bba2e8374.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\NoExplorer = "1"	50f7bba2e8374.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/0x0006000000023229-32.dat	nsis_installer_1
behavioral2/files/0x0006000000023229-32.dat	nsis_installer_2

Modifies registry class 45 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\InProcServer32\ThreadingModel = "Apartment"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\ProgID\ = "Download and Sa.1"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\InProcServer32\ = "C:\\ProgramData\\Download and Sa\\50f7bba2e83a4.dll"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\InProcServer32	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ProxyStubClsid32	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\Version = "1.0"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\ProgID	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\ = "ILocalStorage"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}\ = "Download and Sa"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE}	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\ProgramData\\Download and Sa"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{31E3BC75-2A09-4CFF-9C92-8D0ED8D1DC0F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\ProgramData\\Download and Sa\\50f7bba2e83a4.tlb"	50f7bba2e8374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ProxyStubClsid32	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\Version = "1.0"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\ = "IIEPluginMain"	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C66F0B7A-BD67-4982-AF71-C6CA6E7F016F}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	50f7bba2e8374.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3192	2820	03ff8e73ab121b64b121aec7ea65995f.exe	16
PID 2820 wrote to memory of 3192	2820	03ff8e73ab121b64b121aec7ea65995f.exe	16
PID 2820 wrote to memory of 3192	2820	03ff8e73ab121b64b121aec7ea65995f.exe	16

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	50f7bba2e8374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{3C0263FC-CF4F-284C-2CC9-8EA4BCB968CE} = "1"	50f7bba2e8374.exe

C:\Users\Admin\AppData\Local\Temp\03ff8e73ab121b64b121aec7ea65995f.exe
"C:\Users\Admin\AppData\Local\Temp\03ff8e73ab121b64b121aec7ea65995f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\7zS4AE4.tmp\50f7bba2e8374.exe
  .\50f7bba2e8374.exe /s
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - System policy modification
  PID:3192

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\7zS4AE4.tmp\50f7bba2e8374.exe

Filesize
71KB

MD5
b78633fae8aaf5f7e99e9c736f44f9c5

SHA1
26fc60e29c459891ac0909470ac6c61a1eca1544

SHA256
d205693516dbaf34cfbd216e825190de4de1412e861bc9cb30ce863907b30d22

SHA512
3885b609269b26918ccfcd9069181168c12f4271b6bdfcc51afe176b2dd242d4c0953ac1a4ddaf25abcfaf28a0b694a6269d96ae39bb7b2db2f0140d2d60cd43

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4AE4.tmp\settings.ini

Filesize
6KB

MD5
8a41e7eea5255b764bb5a6ee2c3271f7

SHA1
c0a05c4c709adbcfc0db1e3a64ef59f69412ba95

SHA256
e118125e14efe1774dca6de9b1f170037959cf3679efd46a9f49389f471ebe49

SHA512
f610b95b5e307b976eb3b07ac1124bfc625dc05c1a63bbfa16023d49f273c3717efb46750fc96e33b95f5e880ecefc92d66f4533136a362021004cf66609a1aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsm4B81.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
memory/3192-78-0x00000000747F0000-0x00000000747FA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads