628b66ad7ecac3e1c82a11141073962299490335bc038e60f4212e96ff7a05f3

Analysis

max time kernel
147s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 12:20

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General

Target

185009e71a440ee8580334181f28c716.pdf
Size

76KB
MD5

185009e71a440ee8580334181f28c716
SHA1

37772fd79732ca1e55f7cb62cc882045c4339326
SHA256

628b66ad7ecac3e1c82a11141073962299490335bc038e60f4212e96ff7a05f3
SHA512

3ca54d95e5d88335c5db17f7ed2354b409dc26da1bdc41eba109a50efb7f07f7e16a64413bb2b00dfc162d6eff116766cbfb8e5da633890ff342f4f4f13bf485
SSDEEP

1536:gnn3uByTlkl9nDaNQltaqSp+N+5T3vkDWapOtQHWf3zAJpMOX9BD:EcckraNQGqSK+5T3vkstQhr/P

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2920	4932	AcroRd32.exe	92
PID 4932 wrote to memory of 2920	4932	AcroRd32.exe	92
PID 4932 wrote to memory of 2920	4932	AcroRd32.exe	92
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 2936	2920	RdrCEF.exe	93
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94
PID 2920 wrote to memory of 3952	2920	RdrCEF.exe	94

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\185009e71a440ee8580334181f28c716.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:4932
- 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:2920
- - 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=6E234D0A33B90345EDFE59E4E978176C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936
- - 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=6FA01EEE7D2FFE06529931BD588272A1 --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=6FA01EEE7D2FFE06529931BD588272A1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    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" --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=E9651CC94D53EA08DF9843E020E7959E --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=F0103EB4EA3E13F77488B9EA7C01F68B --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=52ABF2DF4611BA883D70A44F6B5D84C1 --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=52ABF2DF4611BA883D70A44F6B5D84C1 --renderer-client-id=7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2864
- - 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=11D9D0F71A50510A298CC242F3162EA8 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3248

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
3255ed58b86c26e631c2ab4caf8dc1f6

SHA1
d95f68e8c77b329de0e08291fdcb25bd52c26f7a

SHA256
2124e5ed5923e2f3314fd420bc450d6ce7de31047e3370d2458b5c33dbbb9067

SHA512
3a3df57767141de4faca8caf474979d84b4a96c69faf9b4bc9d74074450b152dac29dd0d56afcca36793747671709d49d2b71b17221dbb32b9a50b94b8616e5e

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