4572e7c367f78c3998c63fab9d62070b66642c594fe7768dee2a2655c48acaf0

Analysis

max time kernel
142s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 12:35

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General

Target

de06319f08bfab1356ad6cd6aa9895e6.pdf
Size

77KB
MD5

de06319f08bfab1356ad6cd6aa9895e6
SHA1

17f2083b2e8a8049e4cb0e4d8c076ac2e77fcbeb
SHA256

4572e7c367f78c3998c63fab9d62070b66642c594fe7768dee2a2655c48acaf0
SHA512

5c54e80edb9822a5bab383a2b747a53a02aebf8aa3f4ef92db07043e491cbac9804b27d5818adb6032faf3be48f969f9748221b168ee6fd442bbfde802efdd65
SSDEEP

1536:Gtd7DVaM/lQ1+bu0wCT2i8aGWGpOKXyVWCmp747ujCH9:uZC/CaiNKXyfmDq

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe
436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 4084	436	AcroRd32.exe	85
PID 436 wrote to memory of 4084	436	AcroRd32.exe	85
PID 436 wrote to memory of 4084	436	AcroRd32.exe	85
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4396	4084	RdrCEF.exe	86
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87
PID 4084 wrote to memory of 4380	4084	RdrCEF.exe	87

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\de06319f08bfab1356ad6cd6aa9895e6.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:436
- 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:4084
- - 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=76A95EFE0031F90C0E668A63AACACE02 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=EFA45D651B27A9C653D785B266C3CF9D --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=EFA45D651B27A9C653D785B266C3CF9D --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4380
- - 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=634538023E9ADBBEE9DBFEFB12B68001 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:364
- - 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=6EEAAA1371D912B20BFD7FF11B12F0FC --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:400
- - 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=2048FE3CB2C496F254609E05E25FBDEE --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=2048FE3CB2C496F254609E05E25FBDEE --renderer-client-id=6 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3188
- - 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=8181D51E953B579EBC209128EFDD5E73 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3972

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
7d508672f688536502bb83173e6d58d2

SHA1
178ec4313bce38a2bd9dedfc1dca7c0c47f6aa4e

SHA256
757a71759af174e89d01cc88dab8c582f07b891736ab8a05e2b0d40a61b9414c

SHA512
33164fe5a10cd01c2fafbec1b082eea88b1ce4edfa7fb9c427af48210dafe5e1a8b6384c2ff3981cf83454875b330fc2629f75e832c19815af744df4e7f90197

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