c72289d015d5661eea3043a76d53c92e72b164527468a3b547fd3e8585fc1cdd

Analysis

max time kernel
147s
max time network
310s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 07:03

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General

Target

DOCS/Custom Booter.pdf
Size

106KB
MD5

68eb5eaa3dc70d237bf4263a1e81cf97
SHA1

5a5412c14675b9194152ae5ed08aab5c034076ee
SHA256

89d2f44e9551d82b468d4b3d0edb2d61c7eb3672abd6954783640e6b9b48a1eb
SHA512

2f7e67efc99a3d2690be75373af7102a6b42aa0504686e5a9a5d1e2365e1ce678413783e85ec7ed3126c04877fe77003ea29f5297c7daf04544d1c2d263c0f41

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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4092 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

4092 AcroRd32.exe
4092 AcroRd32.exe
4092 AcroRd32.exe
4092 AcroRd32.exe
4092 AcroRd32.exe
4460 AdobeARM.exe
4092 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4092 wrote to memory of 2180	4092	AcroRd32.exe	RdrCEF.exe
PID 4092 wrote to memory of 2180	4092	AcroRd32.exe	RdrCEF.exe
PID 4092 wrote to memory of 2180	4092	AcroRd32.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 3532	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	RdrCEF.exe	RdrCEF.exe
PID 2180 wrote to memory of 1304	2180	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\DOCS\Custom Booter.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:4092

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:2180

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=BE6D06588E8AA981395CCADF83532C53 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3532

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=836FDAA87379FC823EBD9F4A8340C862 --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=836FDAA87379FC823EBD9F4A8340C862 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1304

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=75923BB2994B5572BCD16675351A1F2A --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=75923BB2994B5572BCD16675351A1F2A --renderer-client-id=4 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2136

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=B6279AFAA7B8FCC9FD98989FB1A58F3A --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4452

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=1D5010763D200BFD7DA275D18F12ADAC --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1664

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=1B8DB04A9894D666FE4922099E146950 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4124

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:4460

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:3784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4908

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1304-135-0x0000000000000000-mapping.dmp

Download
memory/1664-149-0x0000000000000000-mapping.dmp

Download
memory/2136-140-0x0000000000000000-mapping.dmp

Download
memory/2180-130-0x0000000000000000-mapping.dmp

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memory/3532-132-0x0000000000000000-mapping.dmp

Download
memory/3784-151-0x0000000000000000-mapping.dmp

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memory/4124-153-0x0000000000000000-mapping.dmp

Download
memory/4452-146-0x0000000000000000-mapping.dmp

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memory/4460-144-0x0000000000000000-mapping.dmp

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