cd2cd213b08e16b57085d40aeb886299bec77b8d34523558165943e50aa02cf5

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 21:00

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General

Target

c99b97194c4e171fcb6639417bac2659.pdf
Size

92KB
MD5

c99b97194c4e171fcb6639417bac2659
SHA1

5933350a1cac8475ca5f1f6dc2959b5bca68b180
SHA256

cd2cd213b08e16b57085d40aeb886299bec77b8d34523558165943e50aa02cf5
SHA512

5b19087bce38f67c2e31aad6ea2a9ecbae098bccfef5d4d43a482d933e51dbb8cad8bc8400707df58341c64f588b55b26c41c51002c00b51c6bd46317c81f4c7
SSDEEP

1536:DX4tj+PXhVWjUNXD+wZhrxprEnnhs75NRW62paHzkpWHpOv/MRTCDAW99MD+V:O+PXhViKXZBrrEnhmBWZaTevE0DF9Mc

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 636	872	AcroRd32.exe	91
PID 872 wrote to memory of 636	872	AcroRd32.exe	91
PID 872 wrote to memory of 636	872	AcroRd32.exe	91
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4836	636	RdrCEF.exe	92
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93
PID 636 wrote to memory of 4448	636	RdrCEF.exe	93

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\c99b97194c4e171fcb6639417bac2659.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:872
- 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:636
- - 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=D298F93CB6273F9B8C3E704CF952673D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=A2B83C37D1F5DB852A51850453CCA0B7 --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=A2B83C37D1F5DB852A51850453CCA0B7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=F2C86CF076E2E49BF5D128594BAF4E1F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924
- - 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=EBB7A601B854AD717B5675E736396DF3 --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=EBB7A601B854AD717B5675E736396DF3 --renderer-client-id=5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1664
- - 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=E80280F2A6E9B34387C252DCBE667721 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=CC8A2149EB376F43946D068D176973B6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944

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
2be910b0a3a0c686fca9c1474b58e96b

SHA1
2a58c996a935318aac73600b332cd04d2e42cda4

SHA256
346c491ec719b814faa7adfa35c53fd28058c94a4e0427a4c4d2f589156de652

SHA512
5b89971869c048a80fa31c80a1cc780d929fa265e9abb324c1f6ad65bbb838327fe79094a50fd462e2e08d6843aada6c98e664dabfdf855e1bc299995e0c6b15

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/872-28-0x000000000BF10000-0x000000000BF31000-memory.dmp

Filesize
132KB

Download