207e1793f8e7491fb9e6c35d71bf5d0ced150d0d6df9c40eef7207145629596e

General

Target

INVITATION_2021104628.pdf
Size

222KB
MD5

68dc67170c8dbfd7b45bb194807a33f9
SHA1

43c715bb81427b7217bf309880fb02bc2cd4e184
SHA256

207e1793f8e7491fb9e6c35d71bf5d0ced150d0d6df9c40eef7207145629596e
SHA512

86a32dda2e912815d4953625673fab3a5a2ac4428f049f8fe1bd911d69668657dc13bf35810666fddfa67177755bba18d0b5e45d1f87318983b2ace0ffe80e7f

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-1-5-21-2481030822-2828258191-1606198294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2416 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2416 AcroRd32.exe
2416 AcroRd32.exe
2416 AcroRd32.exe
2416 AcroRd32.exe
2416 AcroRd32.exe
2416 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2416 wrote to memory of 708	2416	AcroRd32.exe	RdrCEF.exe
PID 2416 wrote to memory of 708	2416	AcroRd32.exe	RdrCEF.exe
PID 2416 wrote to memory of 708	2416	AcroRd32.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 1676	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	RdrCEF.exe	RdrCEF.exe
PID 708 wrote to memory of 3636	708	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_2021104628.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:2416

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:708

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=F34DA96CE3B68B95467AA3887A9497E1 --mojo-platform-channel-handle=1648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1676

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=0E8723A3400A52BB22A37679982509D1 --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=0E8723A3400A52BB22A37679982509D1 --renderer-client-id=2 --mojo-platform-channel-handle=1660 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3636

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=B0C8A3B9C5178A799690727236D528C6 --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=B0C8A3B9C5178A799690727236D528C6 --renderer-client-id=4 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
3⤵
PID:888

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=DC15524BC4436A494385FDA6D0518A0C --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3552

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=1C88D4045EEF2544BC7435D88B6D3A9D --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1204

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=7F08D3F08C964F73D244A36A9C269767 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2884

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/708-115-0x0000000000000000-mapping.dmp

Download
memory/888-126-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/888-128-0x0000000000000000-mapping.dmp

Download
memory/888-127-0x00000000007C5000-0x00000000007C6000-memory.dmp

Filesize
4KB

Download
memory/1204-138-0x0000000000000000-mapping.dmp

Download
memory/1204-137-0x0000000001595000-0x0000000001596000-memory.dmp

Filesize
4KB

Download
memory/1204-136-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/1676-117-0x000000000159F000-0x00000000015A0000-memory.dmp

Filesize
4KB

Download
memory/1676-119-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/1676-116-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/1676-118-0x0000000000000000-mapping.dmp

Download
memory/2884-142-0x0000000000000000-mapping.dmp

Download
memory/2884-141-0x000000000159C000-0x000000000159D000-memory.dmp

Filesize
4KB

Download
memory/2884-140-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/3552-132-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/3552-134-0x0000000000000000-mapping.dmp

Download
memory/3552-133-0x0000000000713000-0x0000000000714000-memory.dmp

Filesize
4KB

Download
memory/3636-124-0x00000000015E0000-0x00000000015E1000-memory.dmp

Filesize
4KB

Download
memory/3636-121-0x00000000011F5000-0x00000000011F6000-memory.dmp

Filesize
4KB

Download
memory/3636-120-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/3636-122-0x0000000000000000-mapping.dmp

Download
memory/3636-125-0x00000000015F0000-0x00000000015F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads