95f3eba941dfeba386ac9b2621b1f8cb57ac79dda66c199eebbc414451d866bc

Analysis

max time kernel
171s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 06:13

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General

Target

3c1886461b105460316ea5e17098948b.pdf
Size

71KB
MD5

3c1886461b105460316ea5e17098948b
SHA1

4d748bd8e6c463c6723d55a43e616c07c7536117
SHA256

95f3eba941dfeba386ac9b2621b1f8cb57ac79dda66c199eebbc414451d866bc
SHA512

0c0d9b2a1ffd7ee23289dc8c3c2025b66140aa720efe909bd5b218a6ec8a3289642e05cb2dc24e0f7319cf493cc6a4a259804d0422b7c28309ef025371011584
SSDEEP

1536:cK+2HX0/NB0CoRbe4njWVRwBtP/8XOSZ9vKMgfWsAsTWkNpOPZPM9mi3W2vcjnb2:xlX01OHbXjsRYLSZ5KMgfZ2Plmmix4S

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2244	2064	AcroRd32.exe	95
PID 2064 wrote to memory of 2244	2064	AcroRd32.exe	95
PID 2064 wrote to memory of 2244	2064	AcroRd32.exe	95
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 3400	2244	RdrCEF.exe	97
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98
PID 2244 wrote to memory of 2200	2244	RdrCEF.exe	98

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\3c1886461b105460316ea5e17098948b.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:2064
- 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:2244
- - 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=BF413E7DBE4BCD2D5E8E4FACEB55E56A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=7B7D62EBB0B46F387229804D55516049 --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=7B7D62EBB0B46F387229804D55516049 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2200
- - 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=392265F8DE834F656CC010F361BA38BC --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=392265F8DE834F656CC010F361BA38BC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3492
- - 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=B815C0CA4B1E31A9BA4F6B776579294D --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4272
- - 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=C793A943289A68BBAC23AF3BD50CC280 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=1C19A87A3B1A49122932C43B577D48B7 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3064

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
30680962646716dc51270f72e81ed18b

SHA1
5ec2f12529b08c8ffe48a635e58851c29e678f31

SHA256
eeeb9eef42d4b219155c694a70ada6e81318235d341cc11827ce0299acb0ba86

SHA512
f7f2b79586fb3222403f57951eabefb4e514da15926d2baf96a53874fd7fa7608bfbb11d21f645dd30d3b5cb33a3c75557d1ff7bfdb595e86746fe08c66d1146

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