06036f5ab05067347810e412a927288f97fb94975367ae0a8f8f8c6111c44ebf

Analysis

max time kernel
150s
max time network
141s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
06-11-2023 13:45

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General

Target

Statistical Methods for Process Validation.pdf
Size

254KB
MD5

99d811e2448ae45374d14d4c4d08cb99
SHA1

46702315614973f0baf725447002a1aa3174685c
SHA256

16a56c4a464adb1064a702d46ff79557e434fab54f62c36067405d872f14c950
SHA512

4d7a209d4e11767e24ec49e1af32b77b978c06ee945e3c5f5a3e2380dd1605cf5eef4b7d8a0a38025892983302dd4210edd91d2c17319879a94beba715efccc1
SSDEEP

3072:JjXoVdRSrHN8vC+5D1WsfgkDFlTPKwrzZkojeWtZfdqBtBjtumBGGhaqpKV4fnu7:GRSrtmC+5D1pPtKoXmxoGYsE6Ml73

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-1-5-21-2508097367-364665605-1201309312-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 5080	656	AcroRd32.exe	71
PID 656 wrote to memory of 5080	656	AcroRd32.exe	71
PID 656 wrote to memory of 5080	656	AcroRd32.exe	71
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 4904	5080	RdrCEF.exe	72
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73
PID 5080 wrote to memory of 1964	5080	RdrCEF.exe	73

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\Statistical Methods for Process Validation.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:656
- 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:5080
- - 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=2D77A535BB51FB44A4E23A6CB4F00932 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=4B0420D5A5558BCD3B5B4E844A79EBA2 --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=4B0420D5A5558BCD3B5B4E844A79EBA2 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=047A263ADEFC66642BACA84300F9AAAD --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=047A263ADEFC66642BACA84300F9AAAD --renderer-client-id=4 --mojo-platform-channel-handle=2068 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2984
- - 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=355328DC502E138C09DFE0E836306B63 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=D487F0F66683371BB1D280965D7E78B9 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=E35225245A1C66A15E1D1455778F5AC4 --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308

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
ec3f1024ce279d3012e52e7b745aa246

SHA1
8b3a3a397081a37416d7a4347a8c4b8e31ac060e

SHA256
c0303151b767ea37f038eb2b7adede9e24799100dbbd263b0b0e50f67925d140

SHA512
fd3b2212bb597411903d6d592bde32e0f5e49f47efc979977145ab23ebd5ec8f4928f5664fe7c0195cc9105630fc9ca54003e3537ef9fc01d84aa3932bdce5c6

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