777362dc5d1fa299d3c1c0b3d64dc6573def29778cb5dc6228007ff1bc34b609

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 09:32

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General

Target

8929d8fb8f3f072778984463d27cddef.pdf
Size

77KB
MD5

8929d8fb8f3f072778984463d27cddef
SHA1

2aca6d30b0703ea058efafa64e83ab1161a9b4d5
SHA256

777362dc5d1fa299d3c1c0b3d64dc6573def29778cb5dc6228007ff1bc34b609
SHA512

4ab3ae746e614b0a5351a70ac25ce43fda114e2102253eabc35a0c6139c8d403893efe0185ce6f95243d0e11a3e2c6f0a5d6b4fc2a41ab3defcf24f8100dab6f
SSDEEP

1536:6XwkfO1nRII0lIUJ1ouqgbwQWXflJPbD1cdxLUFxoJ0z5ZvCaZo4FWI+:z/1nRIBldouqgsQcfTPKdBQxo+z5UaZs

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 4980	3132	AcroRd32.exe	88
PID 3132 wrote to memory of 4980	3132	AcroRd32.exe	88
PID 3132 wrote to memory of 4980	3132	AcroRd32.exe	88
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4040	4980	RdrCEF.exe	89
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90
PID 4980 wrote to memory of 4776	4980	RdrCEF.exe	90

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\8929d8fb8f3f072778984463d27cddef.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:3132
- 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:4980
- - 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=F00FDD086D785E2C36B2C46BD229EB76 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=AFCFC8B868A3A74E9FD7705BEB00F313 --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=AFCFC8B868A3A74E9FD7705BEB00F313 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4776
- - 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=857B6DC8B48566664535F7C8564A9144 --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=857B6DC8B48566664535F7C8564A9144 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3596
- - 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=3793A9724A9622B4C2827719597C8179 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=C99DFB02C4A9E24156026B997AF82BD2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=7EF3AE988777E9E2A12D15D15CE3E451 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4084

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
25a25cf2628844153f3f41a127e56da3

SHA1
8d10d108a279a1e90f0f320420f784365b59ba73

SHA256
7a4cad81fa2921b688052790c1d9e715e3f1e1b8c7525c02237550cc835191c0

SHA512
cf9a727ff2ac6732a2beca72e93e76f6be84c5064471ebc181acdf2d1f4af8ca51e08d61ea8357068b64de473959e6aa0bdf7d2a76a00ce95b139793dd5b1c34

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