84cbcf5e78a1083b381d54f37919128a6642bb320dd22998c69ac028084f3fd8

General

Target

x4MGknWvh0yRvTmCtdvnbvou.pdf
Size

142KB
MD5

2dc9a25300b1cc90c94a14ea3dba3200
SHA1

3d977a388b76151929e61e9fa7daf565a9a76bed
SHA256

84cbcf5e78a1083b381d54f37919128a6642bb320dd22998c69ac028084f3fd8
SHA512

847b0ef13d91fd0eb1d87207b64ac973807364e15a256a8dc48154776e23576da61a10fd94e54f8c2f280f8df094f3a1e2d5a8acf7f59c5586b1d462617b08f8

Score

1^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2600 AcroRd32.exe
2600 AcroRd32.exe
2600 AcroRd32.exe
2600 AcroRd32.exe
2600 AcroRd32.exe
2600 AcroRd32.exe

Suspicious use of WriteProcessMemory 210 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2600 wrote to memory of 3876	2600	AcroRd32.exe	RdrCEF.exe
PID 2600 wrote to memory of 3876	2600	AcroRd32.exe	RdrCEF.exe
PID 2600 wrote to memory of 3876	2600	AcroRd32.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 3304	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe
PID 3876 wrote to memory of 1660	3876	RdrCEF.exe	RdrCEF.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe
2600	AcroRd32.exe

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.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\x4MGknWvh0yRvTmCtdvnbvou.pdf"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Checks processor information in registry
- Modifies Internet Explorer settings
PID:2600

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:3876

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=DF83076F92123EC744C5933C096DFC6A --mojo-platform-channel-handle=1612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3304

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=DFFFBF8F0ED1430CC269E869FEB59D4F --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=DFFFBF8F0ED1430CC269E869FEB59D4F --renderer-client-id=2 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1660

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=49D51C208CF962828DA4236A2CBFFC02 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4012

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=815491D638B1879D20CEAC03D29287FA --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1788

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=E96E67961CB6EAA0D3BA8A948B9F7650 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3720

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/1660-4-0x0000000077552000-0x000000007755200C-memory.dmp

Filesize
12B

Download
memory/1660-5-0x0000000000000000-mapping.dmp

Download
memory/1788-12-0x0000000077552000-0x000000007755200C-memory.dmp

Filesize
12B

Download
memory/1788-13-0x0000000000000000-mapping.dmp

Download
memory/3304-1-0x0000000077552000-0x000000007755200C-memory.dmp

Filesize
12B

Download
memory/3304-2-0x0000000000000000-mapping.dmp

Download
memory/3720-15-0x0000000077552000-0x000000007755200C-memory.dmp

Filesize
12B

Download
memory/3720-16-0x0000000000000000-mapping.dmp

Download
memory/3876-0-0x0000000000000000-mapping.dmp

Download
memory/4012-9-0x0000000077552000-0x000000007755200C-memory.dmp

Filesize
12B

Download
memory/4012-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads