794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 10:44

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General

Target

794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
Size

131KB
MD5

042b6ea4b3a55671b249fe7e3ca57356
SHA1

8418649b70d4e4512da170c10bbf85ffeb677da4
SHA256

794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68
SHA512

99f82aa5c924cf942308831bd59ac21bbea1257b2c796f8783b7a365c411bf9d757b6625176f9b1412ea7a8f9608e5512509d35e08e47c0384adf61ac1ac6f87
SSDEEP

1536:LaiqH1s+kCtrA2UMT0mTFibDKa1XZ81oxgdyaFzTIxkCHJI53XiCb+ZOW8KryPQ+:W1B31bdBob2QX0ndRJXHb0h+

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe"	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe

Drops file in System32 directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe

C:\Users\Admin\AppData\Local\Temp\794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe
"C:\Users\Admin\AppData\Local\Temp\794d81587a73a6aceb5114676ea18baac19563977b5c742fe4f62c0194d32b68.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:5076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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