ada3c184164ef7a548c63441ff2137e42bab05c596234917df33973ea3b8dfb5

Analysis

max time kernel
4s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 12:44

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General

Target

1f6611b35f854767dbb853165d1b8435.pdf
Size

86KB
MD5

1f6611b35f854767dbb853165d1b8435
SHA1

8217af2e2ba24b59e399c6bcd2a00a241706383b
SHA256

ada3c184164ef7a548c63441ff2137e42bab05c596234917df33973ea3b8dfb5
SHA512

89d1c7bcf2bc5e47f7490525810467cab891ff8c1d822508b072202c3055a9f0cb50ef34a7b8b7b72c4881a24f94c98ae346a86d401e5b819c672eceedf0bc7a
SSDEEP

1536:rPBT5RyH5XBSahjnhKxRduY9p7L5IOzMTOTKWHM8jSlDPr0mWxApOGgGz7QbUVMQ:TCHwxJzn5IOctkiDPYz3G3nQb+MQ

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 use of FindShellTrayWindow 1 IoCs

pid	Process
4856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3200	4856	AcroRd32.exe	94
PID 4856 wrote to memory of 3200	4856	AcroRd32.exe	94
PID 4856 wrote to memory of 3200	4856	AcroRd32.exe	94
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 4436	3200	RdrCEF.exe	96
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	RdrCEF.exe	95
PID 3200 wrote to memory of 2672	3200	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\1f6611b35f854767dbb853165d1b8435.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4856
- 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:3200
- - 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=6A9196D9FB00AF9339FC8E7409B42E3D --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=6A9196D9FB00AF9339FC8E7409B42E3D --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2672
- - 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=C31C2496F84D01F58E0BFDD034737B93 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=48A109145138F4105BB00DE232F929DE --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1524
- - 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=FC73E08A3D4250C114EC14AE541A7742 --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=FC73E08A3D4250C114EC14AE541A7742 --renderer-client-id=5 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=75F39B7AF76FC66CA9D4427C9BF8E696 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2668
- - 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=3F22CFF5163C8B1CAC2BF5194A1F6AA6 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1256

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
489e43c8c1eee56484e1dc5dc0f5d851

SHA1
648146b1dcc191eab7ac7b2e19740b54216ad1ae

SHA256
fb6cd0c4a9cf38aa3df4d832163eb7070cfb660e3800d8ceec872c6f1040d767

SHA512
8bebabf9b2a4a727e0787958a11894c411c3eab5b08b1316f420f985691c10c1960ed4e1c523c80987205be5ed3ff036fcb376ab3193b17cf087e08ee026ce7c

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4856-27-0x000000000BD10000-0x000000000BD31000-memory.dmp

Filesize
132KB

Download