0ce2f8925c543aae4ad8d53dd2d7b7c3798d0f593783c39df1b78d4c048a67c2

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 02:39

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General

Target

5471c593aad226bf76e79fa998186ed0.pdf
Size

43KB
MD5

5471c593aad226bf76e79fa998186ed0
SHA1

3327ebd7394efa9948ea5fdc48654b3d22abf18f
SHA256

0ce2f8925c543aae4ad8d53dd2d7b7c3798d0f593783c39df1b78d4c048a67c2
SHA512

23f2d88604b09dcd162ee49c32de1050b470e18005ebd7f65e63b78d13938b4c990dc37933b75866877d64a6702092689a50c16d83ed6ef03bffd3c762a584fb
SSDEEP

768:TwkKt5fYhFxUYHBSTZhdgM/+mnUW9gi15AiWn8cVGgM:TwkK/KX4d124HVWndGgM

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4104	3084	AcroRd32.exe	94
PID 3084 wrote to memory of 4104	3084	AcroRd32.exe	94
PID 3084 wrote to memory of 4104	3084	AcroRd32.exe	94
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 5088	4104	RdrCEF.exe	96
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95
PID 4104 wrote to memory of 2812	4104	RdrCEF.exe	95

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\5471c593aad226bf76e79fa998186ed0.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:3084
- 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:4104
- - 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=5A5BC11949D4875A63C8C06A46B7EB36 --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=5A5BC11949D4875A63C8C06A46B7EB36 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2812
- - 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=ABEC4DB43A41E6585776B727181533E1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=02D4B77152796CAA071B9769783690E2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=E04DCC3207A088334D9CCA60A09186A5 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504
- - 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=E47E1D3014636DBA7A725893800C0423 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=380A16C3E83D939C9E47D19FA8695775 --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=380A16C3E83D939C9E47D19FA8695775 --renderer-client-id=7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1752

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
f6db47d6596594200a886ad3bc10d893

SHA1
dc3607bbc7b1b6e2095e62e06ee23ce72da655fc

SHA256
acfceb6891c7cd98a0bc16593932129be9743ba141c5180a9cdbe2a5bee8c799

SHA512
edf63726b0e7a832f5da3d87132336f918bd29449bbcaac4afe734bf99c778ac7e0634eb8d8af481a56570349532625f69d77875f7b1088c00c306370ab7a707

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

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3084-27-0x000000000A4E0000-0x000000000A501000-memory.dmp

Filesize
132KB

Download