577a7ec9e58665b9b840ce9618e2d330c065dc9a7d7b2109f52e392b77e839c4 | Triage

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 03:22

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General

Target

$SYSDIR/dwshengine80.dll
Size

137KB
MD5

df901a23e6da0cad1981f0a7c13fbf24
SHA1

78f8f8e857e5ce4dce9fdc6658b5780b07167df7
SHA256

a8ab488c1ffeed943a68ce7f72fa2eb1b9b21b62c01fbd405a93906a4b357621
SHA512

1d530caccd728006b1c169a9684044b45384ff4caca02f95c26e15339c4bcfad00f70a85b9f3b6d6d84aed242536ecea454636688e33fa6c6558f67378fc8228
SSDEEP

3072:jVEYo+V9rYoQ7/pnDeZtVbbOtF4759qDD2:jVEYdHE/CbOto59

Score

1^/10

Malware Config

Signatures

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwshengine80.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\ = "dwSHEngine80 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7E1A422E-C5D0-41E7-BC80-DEDDB49E1FCF}\1.0\0	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28
PID 2140 wrote to memory of 2108	2140	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwshengine80.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwshengine80.dll
  2⤵
  - Modifies registry class
  PID:2108

Network

MITRE ATT&CK Matrix

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