695c8edff72a9b90364043a5889c855d897dab75f5fb5cfc33e3737edf5a6c08

General

Target

INVITATION_AND-LIVING_2021103357.pdf
Size

179KB
MD5

422a155d935d707ef6035dd7604e3d3a
SHA1

92b8f3e047c528b99bd72eef7b3510a39ad0ad3d
SHA256

695c8edff72a9b90364043a5889c855d897dab75f5fb5cfc33e3737edf5a6c08
SHA512

0014214a85f096235ca6050e4f41b2aff05bac40139e9be4f1ddaff5f088855e8e73f777ff7ddec9f699fd0cc1b11f16c2fa0090cdca7ee38224eb5be7b80d51

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

996 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

996 AcroRd32.exe
996 AcroRd32.exe
996 AcroRd32.exe
996 AcroRd32.exe
996 AcroRd32.exe
996 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 996 wrote to memory of 3028	996	AcroRd32.exe	RdrCEF.exe
PID 996 wrote to memory of 3028	996	AcroRd32.exe	RdrCEF.exe
PID 996 wrote to memory of 3028	996	AcroRd32.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1312	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe
PID 3028 wrote to memory of 1488	3028	RdrCEF.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\INVITATION_AND-LIVING_2021103357.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:996

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
- Suspicious use of WriteProcessMemory
PID:3028

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=DC48C26894972CEE7078D655A140B024 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1312

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=185F17444B4EC05CC77E5A3FC510147B --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=185F17444B4EC05CC77E5A3FC510147B --renderer-client-id=2 --mojo-platform-channel-handle=1660 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1488

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=34868FA4A5ABADC0AC637AD0F84E62B4 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=34868FA4A5ABADC0AC637AD0F84E62B4 --renderer-client-id=4 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1968

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6BCB365B16535CE7BD60C7F20F1F059B --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1636

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=C7CAFE3BCA5CA5A5FB53D84336AF6E27 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3696

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=72725C102D6990DC016D6737DACA9487 --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1312-116-0x000000000120B000-0x000000000120C000-memory.dmp

Filesize
4KB

Download
memory/1312-115-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1312-117-0x0000000000000000-mapping.dmp

Download
memory/1312-120-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1488-123-0x0000000001410000-0x0000000001411000-memory.dmp

Filesize
4KB

Download
memory/1488-118-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1488-121-0x0000000000000000-mapping.dmp

Download
memory/1488-119-0x00000000015C1000-0x00000000015C2000-memory.dmp

Filesize
4KB

Download
memory/1488-124-0x00000000016B0000-0x00000000016B1000-memory.dmp

Filesize
4KB

Download
memory/1636-133-0x0000000000000000-mapping.dmp

Download
memory/1636-131-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1636-132-0x00000000015C8000-0x00000000015C9000-memory.dmp

Filesize
4KB

Download
memory/1968-125-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1968-126-0x0000000001206000-0x0000000001207000-memory.dmp

Filesize
4KB

Download
memory/1968-127-0x0000000000000000-mapping.dmp

Download
memory/3028-114-0x0000000000000000-mapping.dmp

Download
memory/3696-136-0x0000000000813000-0x0000000000814000-memory.dmp

Filesize
4KB

Download
memory/3696-135-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/3696-137-0x0000000000000000-mapping.dmp

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memory/4056-139-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/4056-140-0x00000000015CF000-0x00000000015D0000-memory.dmp

Filesize
4KB

Download
memory/4056-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads