cd3e46bcd0eaba45533623d8fc0445452a69b53f15ff2e6e99b37cb4a6aa3998

General

Target

NEW_ITEMS_2021103440.pdf
Size

181KB
MD5

0f54ea6704eba7ee56f8d99a55460a6f
SHA1

f71e36be42a9259f493ead4af778f2bceb0f1d96
SHA256

cd3e46bcd0eaba45533623d8fc0445452a69b53f15ff2e6e99b37cb4a6aa3998
SHA512

004b303e5ddd01d058bb5823a930b3ffc6c6754c269e28787136edc52cc8254afbfde881625e5518c03ff2eb906e1c2401a92eaa100d3e1fea7ed2cc43263a65

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 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-1-5-21-941723256-3451054534-3089625102-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3428 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3428 AcroRd32.exe
3428 AcroRd32.exe
3428 AcroRd32.exe
3428 AcroRd32.exe
3428 AcroRd32.exe
3428 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3428 wrote to memory of 588	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 588	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 588	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 808	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 808	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 808	3428	AcroRd32.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 1612	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	RdrCEF.exe	RdrCEF.exe
PID 588 wrote to memory of 3496	588	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\NEW_ITEMS_2021103440.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:3428

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:588

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=B4690C3C1D9C9E98E2A3385B4E978B38 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1612

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=9159F4CBBC84C744A48C4C114B9B696A --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=9159F4CBBC84C744A48C4C114B9B696A --renderer-client-id=2 --mojo-platform-channel-handle=1660 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3496

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=1F03EC0BD5025BBE7573BEE9FA0244B5 --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=1F03EC0BD5025BBE7573BEE9FA0244B5 --renderer-client-id=4 --mojo-platform-channel-handle=2080 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2572

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=4BA2F97FA6300C5FC221D274502C5C21 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:684

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=5417F359AE48B24F2F55C5805F778CDE --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1552

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=1FEF09D6D0C92E2633E2A506D8B599A8 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3952

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:808

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

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Downloads

memory/588-115-0x0000000000000000-mapping.dmp

Download
memory/684-133-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/684-135-0x0000000000000000-mapping.dmp

Download
memory/684-134-0x00000000007B3000-0x00000000007B4000-memory.dmp

Filesize
4KB

Download
memory/808-116-0x0000000000000000-mapping.dmp

Download
memory/1552-139-0x0000000000000000-mapping.dmp

Download
memory/1552-138-0x000000000174C000-0x000000000174D000-memory.dmp

Filesize
4KB

Download
memory/1552-137-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/1612-117-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/1612-118-0x0000000001532000-0x0000000001533000-memory.dmp

Filesize
4KB

Download
memory/1612-120-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/1612-119-0x0000000000000000-mapping.dmp

Download
memory/2572-128-0x0000000001740000-0x0000000001741000-memory.dmp

Filesize
4KB

Download
memory/2572-129-0x0000000000000000-mapping.dmp

Download
memory/2572-127-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/3496-123-0x0000000000000000-mapping.dmp

Download
memory/3496-121-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/3496-122-0x0000000000581000-0x0000000000582000-memory.dmp

Filesize
4KB

Download
memory/3496-125-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3496-126-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3952-141-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/3952-142-0x0000000000498000-0x0000000000499000-memory.dmp

Filesize
4KB

Download
memory/3952-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads