d7656cc05e6f14d26aeac4f190eca9f84c8b1a59b8a18dfa0b3e6ae39245a639

Analysis

max time kernel
140s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2023, 20:12

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General

Target

The_Official_CompTIA®_Security+®_Student_Guide_Exam_SY0_501.pdf
Size

13.8MB
MD5

dee01033678cf84478a277fef985a258
SHA1

5260e9cb57ceacc76b6d1ba87206f787d0d615d3
SHA256

d7656cc05e6f14d26aeac4f190eca9f84c8b1a59b8a18dfa0b3e6ae39245a639
SHA512

c28c12fa4ae5f2befd9ad0a3662d20e0f77db2976c76069c89821f9c4a577f323e30c30c1aaf16c06eb8d33a170d787dbd885dab4d05070ff558174c75a05be8
SSDEEP

393216:qJZUXBsLzcUscmVAvAqDgrOeUu8Nep6jr6:0QiLzEwY+grjUu8NRjW

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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1964	2668	AcroRd32.exe	83
PID 2668 wrote to memory of 1964	2668	AcroRd32.exe	83
PID 2668 wrote to memory of 1964	2668	AcroRd32.exe	83
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 3888	1964	RdrCEF.exe	84
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 4264	1964	RdrCEF.exe	85

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\The_Official_CompTIA®_Security+®_Student_Guide_Exam_SY0_501.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:2668
- 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:1964
- - 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=484A19ECA5DE662CD1235267327E8804 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=B080F1AE4FDE637A30E7DF25EC0D9B93 --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=2 --enable-main-frame-before-activation --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=B080F1AE4FDE637A30E7DF25EC0D9B93 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264
- - 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=383CE8C9AA0EF72723AC246A24F2AAD8 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1340
- - 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=1FE83AC6EF9BAE850322B9D2EAA1C984 --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=2 --enable-main-frame-before-activation --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=1FE83AC6EF9BAE850322B9D2EAA1C984 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3392
- - 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=DB987A726783019D8ED641560575F90A --mojo-platform-channel-handle=1936 --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=D23414704D7BD0A9322E18F890C509E4 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4368

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
58695c036950b69774fa2b014c8e51f7

SHA1
51f267cc6d133b8af037e8da39a471cde96f9877

SHA256
d4d53261c62b4b0c1c295d0dd9e7e44d72fefa162fa63d0696ef69c8a3f7992e

SHA512
a40d1abb00e98104ae91efd8c1718a2844a5e1079cda39b32d489ec7b4f384f76e9cfb35acbae08aa93562ada61a3d7c109d5b519220972501403086b2b7eb7d

Download Submit