3535bd6637b428d1b0c83929c62afcdaa506549a50d730eb12009f5dd20e561e

General

Target

YYsydgnfzq/yy随缘多功能辅助器[独家原创].exe
Size

1.3MB
MD5

43bfa86cad337e7395246282b9efb999
SHA1

8d0c4c5bd952ad1454c849cd8cb474ef1ab98304
SHA256

86518bc888b624e3f00198ce3acbb0e7cda8b60f5fb8e85a5200489b4a535553
SHA512

a9a60639a9090853e09b8a695e4201db4bd635a3df348e6533c94d0957fa7fde7c07a5acc0b3641ae00ab4c8ee30c45daf893c743b247a9c4282454f3abbb8fb
SSDEEP

24576:S+HygdP0DbDfEHLpIWyJrca2igv01tc4osxj5g/nRFzJ7ZHoEI:SeyxfSLE6aDgqt5xj5SRFzv

Score

9^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Windows\SysWOW64\dm.dll	acprotect
C:\Windows\SysWOW64\dm.dll	acprotect

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1544-132-0x0000000000400000-0x000000000064E000-memory.dmp	upx
behavioral2/memory/1544-133-0x0000000000400000-0x000000000064E000-memory.dmp	upx
C:\Windows\SysWOW64\dm.dll	upx
C:\Windows\SysWOW64\dm.dll	upx
behavioral2/memory/3560-139-0x0000000010000000-0x00000000101AB000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3560 regsvr32.exe
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe

pid	process
3560	regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in System32 directory 3 IoCs

Processes:

svchost.exeyy随缘多功能辅助器[独家原创].exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BAB298D6-7254-4D3D-A75B-0161F1712D52}.catalogItem	svchost.exe
File created	C:\Windows\SysWOW64\dm.dll	yy随缘多功能辅助器[独家原创].exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D8CD7155-0671-4ECC-B6F6-D94954A0DC6D}.catalogItem	svchost.exe

Drops file in Program Files directory 2 IoCs

Processes:

setup.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\a9fcef60-e408-4fea-bda1-cd0ebda01b45.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221126095326.pma	setup.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exemsedge.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 38 IoCs

Processes:

regsvr32.exemsedge.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\dm.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "Dm"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Windows\\SysWow64\\dm.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

5052 msedge.exe
5052 msedge.exe
3232 msedge.exe
3232 msedge.exe
1412 identity_helper.exe
1412 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

Processes:

msedge.exe

pid process

3232 msedge.exe
3232 msedge.exe
3232 msedge.exe
3232 msedge.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

yy随缘多功能辅助器[独家原创].exemsedge.exe

pid process

1544 yy随缘多功能辅助器[独家原创].exe
3232 msedge.exe
3232 msedge.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

yy随缘多功能辅助器[独家原创].exe

pid process

1544 yy随缘多功能辅助器[独家原创].exe

pid	process
5052	msedge.exe
5052	msedge.exe
3232	msedge.exe
3232	msedge.exe
1412	identity_helper.exe
1412	identity_helper.exe

pid	process
3232	msedge.exe
3232	msedge.exe
3232	msedge.exe
3232	msedge.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

yy随缘多功能辅助器[独家原创].exe

pid	process
1544	yy随缘多功能辅助器[独家原创].exe
1544	yy随缘多功能辅助器[独家原创].exe
1544	yy随缘多功能辅助器[独家原创].exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

yy随缘多功能辅助器[独家原创].exemsedge.exe

description	pid	process	target process
PID 1544 wrote to memory of 3232	1544	yy随缘多功能辅助器[独家原创].exe	msedge.exe
PID 1544 wrote to memory of 3232	1544	yy随缘多功能辅助器[独家原创].exe	msedge.exe
PID 1544 wrote to memory of 1828	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 1544 wrote to memory of 1828	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 1544 wrote to memory of 1828	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 1544 wrote to memory of 3560	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 1544 wrote to memory of 3560	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 1544 wrote to memory of 3560	1544	yy随缘多功能辅助器[独家原创].exe	regsvr32.exe
PID 3232 wrote to memory of 1728	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1728	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 1268	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 5052	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 5052	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe
PID 3232 wrote to memory of 2236	3232	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\YYsydgnfzq\yy随缘多功能辅助器[独家原创].exe
"C:\Users\Admin\AppData\Local\Temp\YYsydgnfzq\yy随缘多功能辅助器[独家原创].exe"
1⤵
- Drops file in System32 directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1544

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.yysyuan.com/
2⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3232

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffd7cb446f8,0x7ffd7cb44708,0x7ffd7cb44718
3⤵
PID:1728

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
3⤵
PID:1268

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3048 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:5052

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3160 /prefetch:8
3⤵
PID:2236

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3800 /prefetch:1
3⤵
PID:1524

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3848 /prefetch:1
3⤵
PID:3920

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5376 /prefetch:8
3⤵
PID:808

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5904 /prefetch:8
3⤵
PID:4656

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5968 /prefetch:1
3⤵
PID:1840

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5932 /prefetch:1
3⤵
PID:4104

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6568 /prefetch:8
3⤵
PID:4392

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
3⤵
- Drops file in Program Files directory
PID:3560

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6a33d5460,0x7ff6a33d5470,0x7ff6a33d5480
4⤵
PID:4360

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6568 /prefetch:8
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1412

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2524 /prefetch:8
3⤵
PID:1064

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2116,4603848845265896004,8764310143373935050,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1044 /prefetch:8
3⤵
PID:1300

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 /u /s dm.dll
2⤵
PID:1828

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 /s C:\Windows\System32\dm.dll
2⤵
- Loads dropped DLL
- Modifies registry class
PID:3560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1396

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\dm.dll
Filesize
831KB

MD5
036b1cd5a746f04738aeac8e20bcb55a

SHA1
a2738d3941ee3b878da3944e2500a6a8b0efa761

SHA256
ddf9f7a982ef81e44c170b73dba7439dc8635e835432829a76ef20271e362072

SHA512
55ce58ec38cf947d91753344c0a6ac6f0b30e71a76c1573bea108306fc7f1a6310bfb4bdc9a7371b11c1f3fb8595c6a3d114d1c00e1134670678501cd172718a

Download Submit
C:\Windows\SysWOW64\dm.dll
Filesize
831KB

MD5
036b1cd5a746f04738aeac8e20bcb55a

SHA1
a2738d3941ee3b878da3944e2500a6a8b0efa761

SHA256
ddf9f7a982ef81e44c170b73dba7439dc8635e835432829a76ef20271e362072

SHA512
55ce58ec38cf947d91753344c0a6ac6f0b30e71a76c1573bea108306fc7f1a6310bfb4bdc9a7371b11c1f3fb8595c6a3d114d1c00e1134670678501cd172718a

Download Submit
\??\pipe\LOCAL\crashpad_3232_IYPDVOLXDXMFDVWO
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/808-152-0x0000000000000000-mapping.dmp

Download
memory/1064-163-0x0000000000000000-mapping.dmp

Download
memory/1268-142-0x0000000000000000-mapping.dmp

Download
memory/1300-165-0x0000000000000000-mapping.dmp

Download
memory/1412-161-0x0000000000000000-mapping.dmp

Download
memory/1524-148-0x0000000000000000-mapping.dmp

Download
memory/1544-133-0x0000000000400000-0x000000000064E000-memory.dmp

Filesize
2.3MB

Download
memory/1544-132-0x0000000000400000-0x000000000064E000-memory.dmp

Filesize
2.3MB

Download
memory/1728-140-0x0000000000000000-mapping.dmp

Download
memory/1828-135-0x0000000000000000-mapping.dmp

Download
memory/1840-156-0x0000000000000000-mapping.dmp

Download
memory/2236-146-0x0000000000000000-mapping.dmp

Download
memory/3232-134-0x0000000000000000-mapping.dmp

Download
memory/3560-159-0x0000000000000000-mapping.dmp

Download
memory/3560-139-0x0000000010000000-0x00000000101AB000-memory.dmp

Filesize
1.7MB

Download
memory/3560-136-0x0000000000000000-mapping.dmp

Download
memory/3920-150-0x0000000000000000-mapping.dmp

Download
memory/4104-158-0x0000000000000000-mapping.dmp

Download
memory/4360-160-0x0000000000000000-mapping.dmp

Download
memory/4656-154-0x0000000000000000-mapping.dmp

Download
memory/5052-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads