38b3ed66ac80892a8564b4f7896cf97249db45e002ed0d2008da4c27fa984cfe

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 17:39

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General

Target

OptixPRO Tutorial german.pdf
Size

307KB
MD5

5facdc13577f4ad2babfe7d125154298
SHA1

111b377b23931c0fb5813e269af077a6fbdc108c
SHA256

cebd792c17c5135cb1dcddfe349772b80525c89f5b41a760e4289b15107761dc
SHA512

9520aae25d77a2900b0212cbcc9e0bc109667fb6c6efe8928fc9f6f22f02cc03f86ce52553d1267643b0adda8e09add1a80f3e48e191dea1de11130da38def21
SSDEEP

6144:At3YS7fKkRbBAOPV9vRv41QLPmI7JYb0DVzesMqv:WYKtbBnPr5vIQLtV6g

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 3728	2464	AcroRd32.exe	91
PID 2464 wrote to memory of 3728	2464	AcroRd32.exe	91
PID 2464 wrote to memory of 3728	2464	AcroRd32.exe	91
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3668	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96
PID 3728 wrote to memory of 4928	3728	RdrCEF.exe	96

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\OptixPRO Tutorial german.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:2464
- 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:3728
- - 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=34583139A10154EBA0EE040DEF836B45 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=52552AB3E35F8109390C5A24A501625D --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=52552AB3E35F8109390C5A24A501625D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - 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=FDBD46293C05952E7B4587D48C304755 --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=FDBD46293C05952E7B4587D48C304755 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=7D64760A14792520443BE526B8534D9A --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=20838CC0C8B102D6BAE786683405AEDA --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=600F75EB24DEF2BB2D69A71E20963648 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268

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

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Downloads

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

Filesize
64KB

MD5
e4f50527377aba14823d9d7daa896f05

SHA1
4e71f1bc772029dc8eae2c347f7b402cad43204e

SHA256
19516c59d8e148506ffbff6aa3751ef4dc224b0cdffb0283bb4f791c37b6bef5

SHA512
187f08b0650142410b9a2c31e6c8250f253eae2fe1e0b2551e14762010358239424e157657e26e98e1b8f5c14a7f6dc0977640fb18fd1f4f8e1dd131ce675df9

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