d641b1daf3004c400260a070bc0ea55abb4cfad47ea2147342f7e31c3df38acc

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 01:57

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General

Target

8dee6e5e7f15a4dcd59fb7bc60572883.pdf
Size

82KB
MD5

8dee6e5e7f15a4dcd59fb7bc60572883
SHA1

2222a158a523ab106a4d987b208245f11d821ec5
SHA256

d641b1daf3004c400260a070bc0ea55abb4cfad47ea2147342f7e31c3df38acc
SHA512

05b73ccb6898b64d4816460c95e80aca4ff46fb1c06ef0f936fd85c587a3775235752d7a5795e745d2c5d036c46d167fb388c4c13f7aa4a5b5c3f44d03c342e2
SSDEEP

1536:xWuQyfJkZjr7eKA7bRZCF6Im99kqAtwmdjZMbXDbWkNpOPaWU4eSIq3eDnU1mk:18FryKwvCFvu8xjubXgPO4eye7Uj

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
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 2684	3632	AcroRd32.exe	86
PID 3632 wrote to memory of 2684	3632	AcroRd32.exe	86
PID 3632 wrote to memory of 2684	3632	AcroRd32.exe	86
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 4332	2684	RdrCEF.exe	87
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88
PID 2684 wrote to memory of 828	2684	RdrCEF.exe	88

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\8dee6e5e7f15a4dcd59fb7bc60572883.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:3632
- 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:2684
- - 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=93AC2CDD1951A911943556BB002D7BFA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=09C1260D3042762E3232CFF6276A2B65 --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=09C1260D3042762E3232CFF6276A2B65 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:828
- - 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=1E73FABCCFF863677BB0BFDB14DAF544 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=61F006D323F39AEF1433EC29B182EB82 --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=61F006D323F39AEF1433EC29B182EB82 --renderer-client-id=5 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1552
- - 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=72009E0C2F85FA84594BC9841DF9BB55 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=E33379853AD57107ADFAE98E7554DE0C --mojo-platform-channel-handle=2868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2392

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
d805966a92d19dda4122b4b2ded89ba8

SHA1
59baea9f12a29b7e801fa5e09199b5ff6e5eca32

SHA256
ad3af093934ff7137b635cbe2a04b43da54ba74ec4aeb72749ab322ee1acfdd3

SHA512
060a7c185cad342ed1b7c5dae25982f239b11a0922a54cb233708659f45be8fade72d180a5d516b6eec9b69ed1fdbb21f1c35ee026e5abe5a032f20d90323dd5

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