9c3464db25278e4abef2e72a7fdbdd5303c39976f76e53b464a453598fe9fdb7

Analysis

max time kernel
143s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
11-04-2022 12:16

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Report Analysis Logs

General

Target

2021 Annual Activity Report-AU.F.05.04.2022.pdf
Size

1.1MB
MD5

d2445ca46ca0212ed4f1a467a5742432
SHA1

a189395ef0a0c016fdad7cf6121e32e8c1ff25ae
SHA256

2f4896c36431d4b2d50be832e5b807b706a8214bc8abebf14ad6acfd00afe43e
SHA512

316bf30e9f6a55c7d3c8498c8f3b0752194ea69aa121915c9d89447f30cb7aff574a2938f8e7bd9be1135b0a985258420f197c977fb520560514a7d6026f581b

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-1-5-21-157025953-3125636059-437143553-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2004 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

2004 AcroRd32.exe
2004 AcroRd32.exe
2004 AcroRd32.exe
2004 AcroRd32.exe
2004 AcroRd32.exe
1336 AdobeARM.exe
2004 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2004 wrote to memory of 380	2004	AcroRd32.exe	RdrCEF.exe
PID 2004 wrote to memory of 380	2004	AcroRd32.exe	RdrCEF.exe
PID 2004 wrote to memory of 380	2004	AcroRd32.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2892	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	RdrCEF.exe	RdrCEF.exe
PID 380 wrote to memory of 2404	380	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\2021 Annual Activity Report-AU.F.05.04.2022.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:2004

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:380

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=EEB620B1BE8BFD32D99F264904F82276 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2892

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=FFB9D16BD29F0D4C01877F93D90CFDBF --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=FFB9D16BD29F0D4C01877F93D90CFDBF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2404

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=22AF4A23B6BE0599D2B2F3653FBC1672 --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=22AF4A23B6BE0599D2B2F3653FBC1672 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3684

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=8DDD0BD3D2A0925B2998355A39015CBE --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3852

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=8017A4B55D14F8D7811518AD9B3375B6 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
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=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=1BECFC27134654D95023EDED9D18DD22 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4068

C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
2⤵
- Suspicious use of SetWindowsHookEx
PID:1336

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
3⤵
PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/380-124-0x0000000000000000-mapping.dmp

Download
memory/1336-147-0x0000000000000000-mapping.dmp

Download
memory/1488-142-0x0000000000000000-mapping.dmp

Download
memory/2404-129-0x0000000000000000-mapping.dmp

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memory/2892-126-0x0000000000000000-mapping.dmp

Download
memory/3684-134-0x0000000000000000-mapping.dmp

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memory/3852-139-0x0000000000000000-mapping.dmp

Download
memory/4036-148-0x0000000000000000-mapping.dmp

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memory/4068-145-0x0000000000000000-mapping.dmp

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