16ea1e5f67bdfb06967ef43cefade3e489d06636f831cddf45f284816f6fc316

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 22:59

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General

Target

4cae6149417446a9935ce032c08a9dd0.pdf
Size

37KB
MD5

4cae6149417446a9935ce032c08a9dd0
SHA1

cb52bebc3af60dfe2045db4833ce9e248d136fdc
SHA256

16ea1e5f67bdfb06967ef43cefade3e489d06636f831cddf45f284816f6fc316
SHA512

5254e1b810be879a960046ad5003f713e22fcc824e5052f06da3fde9e25af6dfe6b40a837ae3d9039a73135e188bdf8e6b592c471617dc25e094877301f6e81e
SSDEEP

768:qqopdmUv8wWD89Rcad1jw5NONzyqvvhpJH6fCIyL2IQLDvv+5HWztMwEWS+nMd:qqopdmU0wWg9qad1jwnONzyaH6a1aIQM

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 1108	5044	AcroRd32.exe	94
PID 5044 wrote to memory of 1108	5044	AcroRd32.exe	94
PID 5044 wrote to memory of 1108	5044	AcroRd32.exe	94
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 2672	1108	RdrCEF.exe	96
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95
PID 1108 wrote to memory of 4016	1108	RdrCEF.exe	95

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\4cae6149417446a9935ce032c08a9dd0.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:5044
- 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:1108
- - 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=43B15255D45BE5A8F26A07B7A4682D96 --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=4 --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=43B15255D45BE5A8F26A07B7A4682D96 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4016
- - 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=2228FA7E8C43AF51B20367E2C7D14667 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=78A0DF2C53998C0A575C49E04370F81F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2472
- - 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=187CAE645E9CF8850873528A262DFE52 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372
- - 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=C3A2FA5295F47EC88D5953ACD7C8AD37 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=F73EAD295756A46884A68FC9DA8ED4F6 --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=4 --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=F73EAD295756A46884A68FC9DA8ED4F6 --renderer-client-id=7 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
eafa3c11b10719acb1e856fa4aa88f02

SHA1
57e76cedebbaee14f2b3617e8a9cff6930b86393

SHA256
3db96bd3af8c901d746253569f307e5a9aff8bd780e6e7454f61f6c923ca4b6b

SHA512
f6919463ab9074ae2a7fd3b25f5d7c8a2915763fa1c98fc97b15d14554b17506e765ec05afe54a41448d1ff7fe8f65dea89676e1c9b00b5c189fb3d4535fca14

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit