6616aaa3dda3a15f67b8e69ac0c13a7e856bb65096ff70d26933163da5f11134

General

Target

K032524542.pdf
Size

59KB
MD5

9747c2d120c639d6dbf4d65b6a4bfab8
SHA1

5c8bf5257ae110a8e1a8c0fa26cc3270a298d7ae
SHA256

6616aaa3dda3a15f67b8e69ac0c13a7e856bb65096ff70d26933163da5f11134
SHA512

8141a24bf951ce8d69985e49780fd779098577196ff7bcad2f0bb0250397dc8af74723f4a592988cea34f06507be0072cfff12c12eaede988fdcd3d6f8dc94e5
SSDEEP

1536:ojRPxkwTu/Q8MKPBMHcywOKPWgokPQUCcChzn:4BN8MWMH41Ppoz

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4880 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4880 AcroRd32.exe
4880 AcroRd32.exe
4880 AcroRd32.exe
4880 AcroRd32.exe
4880 AcroRd32.exe
4880 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4880 wrote to memory of 4792	4880	AcroRd32.exe	RdrCEF.exe
PID 4880 wrote to memory of 4792	4880	AcroRd32.exe	RdrCEF.exe
PID 4880 wrote to memory of 4792	4880	AcroRd32.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 1568	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	RdrCEF.exe	RdrCEF.exe
PID 4792 wrote to memory of 3428	4792	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\K032524542.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:4880

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:4792

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=1448F03344B80F2507B728CF1AB02A18 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1568

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=E2B9A267C700F4F9971A80144BCB3CC8 --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=E2B9A267C700F4F9971A80144BCB3CC8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1D37AAD8C156763307CC72F08BA34B7B --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=1D37AAD8C156763307CC72F08BA34B7B --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
3⤵
PID:844

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=90FFAA7C23333BB85A23E80CDBF7EDEF --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5012

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=F57CBB61E5EF33629BACB1F0E4F9ECD3 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3844

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=DF21F6A9BF40B259C27F91171B023F8B --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1196

Network

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/844-142-0x0000000000000000-mapping.dmp

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memory/1196-153-0x0000000000000000-mapping.dmp

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memory/1568-134-0x0000000000000000-mapping.dmp

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memory/3428-137-0x0000000000000000-mapping.dmp

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memory/3844-150-0x0000000000000000-mapping.dmp

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memory/4792-132-0x0000000000000000-mapping.dmp

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memory/5012-147-0x0000000000000000-mapping.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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