827544cad56df6277693509adbbcb6eb2339b3f76b4688fc62531c07a8405bd9

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 09:56

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General

Target

b469f567818d7294d1191a102316892b.exe
Size

102KB
MD5

b469f567818d7294d1191a102316892b
SHA1

e78c11722f819ee8090c6a0974a46f631cbf1d78
SHA256

827544cad56df6277693509adbbcb6eb2339b3f76b4688fc62531c07a8405bd9
SHA512

4417399a329711d57d24b6bca89a4e55ec883ca6ed7f820bae8851277ee3bd15f4b6bb2d98841ecd821d93b67cd006dfb78683e9b28acf73047750b564032178
SSDEEP

1536:I2j6CR+D5e/otjAYOhHNN0W5qtKP6RykZ7XrvePQfDOyPhvhEL5:IQ+DM/otjArhHNN75dO97XrvnfDh85

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	b469f567818d7294d1191a102316892b.exe

Executes dropped EXE 1 IoCs

pid	Process
4476	b469f567818d7294d1191a102316892b .exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\mc42.exe = "C:\\WINDOWS\\mc42.exe"	b469f567818d7294d1191a102316892b.exe

Drops file in Program Files directory 29 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\grv_icons .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare .exe	b469f567818d7294d1191a102316892b.exe
File created	C:\Program Files\Mozilla Firefox\maintenanceservice_installer .exe	b469f567818d7294d1191a102316892b.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\dbcicons .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32 .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\lyncicon .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32 .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc .exe	b469f567818d7294d1191a102316892b.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer .exe	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	b469f567818d7294d1191a102316892b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\mc42.exe	b469f567818d7294d1191a102316892b.exe

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

System Information Discovery
T1082

NTFS ADS 18 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\uk-UA\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\uk-UA\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Windows NT\Accessories\en-US\wordpad.exe.mui	b469f567818d7294d1191a102316892b.exe
File created	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Windows NT\Accessories\en-US\wordpad.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Windows Security\BrowserCore\en-US\BrowserCore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File created	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Windows Security\BrowserCore\en-US\BrowserCore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui	b469f567818d7294d1191a102316892b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 4476	896	b469f567818d7294d1191a102316892b.exe	89
PID 896 wrote to memory of 4476	896	b469f567818d7294d1191a102316892b.exe	89
PID 896 wrote to memory of 4476	896	b469f567818d7294d1191a102316892b.exe	89

C:\Users\Admin\AppData\Local\Temp\b469f567818d7294d1191a102316892b.exe
"C:\Users\Admin\AppData\Local\Temp\b469f567818d7294d1191a102316892b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:896
- C:\Users\Admin\AppData\Local\Temp\b469f567818d7294d1191a102316892b .exe
  "C:\Users\Admin\AppData\Local\Temp\b469f567818d7294d1191a102316892b .exe"
  2⤵
  - Executes dropped EXE
  PID:4476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe

Filesize
221KB

MD5
9185a78d36428d20a08bafb2a01b1dd5

SHA1
7db0a8726fc21356cfd4ff72d216a49d7b606a6c

SHA256
ceea1eb0d013b66f1dd79871e784f55f9c674a77832104706ef621ccf80f04e8

SHA512
b2cb46860daa0ff9977cf020022e29690e50a821381d233c6eece297eef4803b4f9214fc4a2de253f37787c49516f292222f71959d0fb1df5645b081803638a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\b469f567818d7294d1191a102316892b .exe

Filesize
66KB

MD5
6e88dff915075e8ee3cbf0a68c35181b

SHA1
38e4a397812831e46d574924c24a1a45971e5b78

SHA256
2638130d3bf08fa6722d21f495296ef5eeeb01d45b360958f5efce8effa153be

SHA512
2b9c5b806c40a2e3435a33574e0d6fda37a0316f1000c9a155609db114938ffaae5ca0366c0e92946d3c95b0e448b73241c07271ab49b49107b364b94a481737

Download Submit
memory/4476-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads