4c46e8f35ee5663cff59edcf6d5b9f51f491baf37079d33f8a24417c85a5cd9d

Analysis

max time kernel
84s
max time network
157s
platform
windows10_x64
resource
win10v20210408
submitted
11-09-2021 11:15

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General

Target

4c46e8f35ee5663cff59edcf6d5b9f51f491baf37079d33f8a24417c85a5cd9d.pdf
Size

903KB
MD5

6624b03b2421f2813c463b22b48b9574
SHA1

45394765f8da676b8bd89d589ccd641b9c32da1e
SHA256

4c46e8f35ee5663cff59edcf6d5b9f51f491baf37079d33f8a24417c85a5cd9d
SHA512

9122e14d49ea99cc8a06b03990de1a8fa7d9a1631dc096e40d40d35d075d32ecac1a53bdcc853014ee5822507f1f69f99234288ad449a486f43674d17559e415

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

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3964	3128	AcroRd32.exe	68
PID 3128 wrote to memory of 3964	3128	AcroRd32.exe	68
PID 3128 wrote to memory of 3964	3128	AcroRd32.exe	68
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 1788	3964	RdrCEF.exe	69
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70
PID 3964 wrote to memory of 3168	3964	RdrCEF.exe	70

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\4c46e8f35ee5663cff59edcf6d5b9f51f491baf37079d33f8a24417c85a5cd9d.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:3128
- 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:3964
- - 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=3CC6469A4C4EE6590C8FE3ED2096A3DC --mojo-platform-channel-handle=1616 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=706A64B3DBFF555F5895F34C9D8AE384 --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=706A64B3DBFF555F5895F34C9D8AE384 --renderer-client-id=2 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3168
- - 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=7E75AB27BD844394B4028DCA1D7D68D1 --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=7E75AB27BD844394B4028DCA1D7D68D1 --renderer-client-id=4 --mojo-platform-channel-handle=2064 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:360
- - 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=22D100CFBB087B4DE630E00B2E7A494D --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1740
- - 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=4F292B81920759CBAD61C1B940F96016 --mojo-platform-channel-handle=1688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520
- - 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=D4216481D4B665DD23743D6D68E9F339 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3420

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/360-125-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download
memory/1740-131-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download
memory/1788-115-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download
memory/2520-135-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download
memory/3168-119-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download
memory/3420-139-0x0000000077352000-0x000000007735200C-memory.dmp

Filesize
12B

Download