27076d64aaa50844312776a968cf412fc9a33ffcaddd5cadc77d8b9165bd9cf1

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:53

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General

Target

025351437de317d0247d2f4b3ba78b79.pdf
Size

86KB
MD5

025351437de317d0247d2f4b3ba78b79
SHA1

490d80098c559a25caf74d546a41650a55f12a57
SHA256

27076d64aaa50844312776a968cf412fc9a33ffcaddd5cadc77d8b9165bd9cf1
SHA512

10d6d82b686256137cb085f904d7789351887cbe841f39783d217cbe15421970991bfc5daea493f400c6d804dae93c40ec90d7c7dada7fae0eb85f2610b986de
SSDEEP

1536:7Bl8Bwq+TatgQRjAgHDp/iUq9fNSxNWb+urV0Wxo5ohrW8pO+g4xy8D9:tl8WQxZl/INSxN+Vo5ohy+2q

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3896	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 4000	3896	AcroRd32.exe	94
PID 3896 wrote to memory of 4000	3896	AcroRd32.exe	94
PID 3896 wrote to memory of 4000	3896	AcroRd32.exe	94
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 5076	4000	RdrCEF.exe	96
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4304	4000	RdrCEF.exe	97

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\025351437de317d0247d2f4b3ba78b79.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:3896
- 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:4000
- - 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=0AEE9CB70696A1C82BBFCFF176290D64 --mojo-platform-channel-handle=1680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=600EAFC04C5415349B24F682FBA5076C --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=600EAFC04C5415349B24F682FBA5076C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - 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=7510A24B0EC111716018EC7FA28A335F --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=7510A24B0EC111716018EC7FA28A335F --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=FBF5858AA77EC52D7AC79AB450CCC246 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=DEEA49826C1DB08C1FB93C2994BF51C7 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- - 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=7A59F8CCB3345EBC10AACC473F710004 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3604

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
b336024a6fa172bd5a0116cb683dc129

SHA1
17b90ff4d3dc4fdc564e62077db61c96abaf131b

SHA256
017ae58d89fc56f73a9a12ba210771d674d61ea6dd001f5af9337fb84377d1c4

SHA512
655558b79038f123d8810651a1aac315362606bc3f026b5be9dea7e4e0cf503296770d18f31458f05a378efcf6f41548a55b87c2a6aba8a6af3ba6b0df8ea71a

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
memory/3896-28-0x0000000009020000-0x0000000009041000-memory.dmp

Filesize
132KB

Download