221b11a9ca29581978c794f1ad4bad6865407194d8b9351e1d26a553fd541bf4

General

Target

[email protected]/20_10_2021_01_6101_21____________________________.pdf
Size

791KB
MD5

cb6a17f8b475ad25f1f9ba494a57471a
SHA1

1543d5d4251174300c4262ce7e0d18982a9518b0
SHA256

f56f295ed4775a8f07376ab47e624c82996d702f03907f4200f2030a8be5608e
SHA512

7cce042dba8474ad31ca079444d1aab623bbf353968a3c25ee4ca9cfd354469b36600b90238950753a13e2caa0ce24b5aa4dd23792e113453434481ab9a3ec93

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-1-5-21-2361464256-2201551969-2316606395-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2720 AcroRd32.exe
2720 AcroRd32.exe
2720 AcroRd32.exe
2720 AcroRd32.exe
2720 AcroRd32.exe
2720 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2720 wrote to memory of 984	2720	AcroRd32.exe	RdrCEF.exe
PID 2720 wrote to memory of 984	2720	AcroRd32.exe	RdrCEF.exe
PID 2720 wrote to memory of 984	2720	AcroRd32.exe	RdrCEF.exe
PID 2720 wrote to memory of 2808	2720	AcroRd32.exe	RdrCEF.exe
PID 2720 wrote to memory of 2808	2720	AcroRd32.exe	RdrCEF.exe
PID 2720 wrote to memory of 2808	2720	AcroRd32.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 3044	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	RdrCEF.exe	RdrCEF.exe
PID 984 wrote to memory of 1592	984	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\[email protected]\20_10_2021_01_6101_21____________________________.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:2720

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:984

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=373D30C2B446CC0838F70178F53A300E --mojo-platform-channel-handle=1640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3044

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=46B806782D98A1F52C771ED66DB5543A --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=46B806782D98A1F52C771ED66DB5543A --renderer-client-id=2 --mojo-platform-channel-handle=1648 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1592

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=66EAFB88E160A904D8B6F0DB5221D19F --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=66EAFB88E160A904D8B6F0DB5221D19F --renderer-client-id=4 --mojo-platform-channel-handle=2064 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2728

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=41CCC1E1C1915118A7AD2B7EF7AC93DA --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1160

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=5B82EFBB65F109A2AAE27A17E8356EAA --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1452

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=4C396B89DDF556CC3B2A7A361E6B340C --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1920

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⤵
PID:2808

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/1160-128-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/1452-131-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/1592-118-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/1920-134-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/2728-123-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/3044-115-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads