fc65dbccdb203cf3766222df27307e86b3b9e8a41e020d2e0dfc547ce83d0687

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 02:41

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General

Target

0bfed72789d9926db6e290886df095ea.pdf
Size

33KB
MD5

0bfed72789d9926db6e290886df095ea
SHA1

13f394369757f04be38489d6efae303de7590f68
SHA256

fc65dbccdb203cf3766222df27307e86b3b9e8a41e020d2e0dfc547ce83d0687
SHA512

f00c04ff9534302a7c554c92080dffb50b4aeadf459545b1bc0bfff9643033ae97d3b10394171c2cf3da447b3b31a3f5a7adb2960c5f74bdac060a05d727d918
SSDEEP

768:/pWQqXraspMdT6R8j6Vy2yo1y09x+Dhac6UjynrOW1pmbzx:/5qX78jxW1F+kc6UjyrOipmbzx

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2812	2360	AcroRd32.exe	92
PID 2360 wrote to memory of 2812	2360	AcroRd32.exe	92
PID 2360 wrote to memory of 2812	2360	AcroRd32.exe	92
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 4128	2812	RdrCEF.exe	94
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	RdrCEF.exe	93
PID 2812 wrote to memory of 760	2812	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\0bfed72789d9926db6e290886df095ea.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:2360
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C1BA2AD06C93EB66DE66210673F13421 --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=C1BA2AD06C93EB66DE66210673F13421 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:760
- - 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=248B7F3E4C454821D12F7EF093BDBF83 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=2134712AA858F78CE59A8303008DAA82 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2408
- - 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=12E5420AE7920C47FF2790FE99CF31C3 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=47A758855FF925AF2B35FED69F02344C --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1528
- - 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=11AA236DBA8FC9631610B178627CF086 --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=11AA236DBA8FC9631610B178627CF086 --renderer-client-id=7 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4852

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
aa1b3c674d909a7e790a4f9b7c7284bc

SHA1
6c2f2acc9ae0951585527106dc566c188e5ebd36

SHA256
ea923574a620cf0b7b3d830685f4bbf426822e89551434ac06f8600fefbab2eb

SHA512
04707fb9cbec1298187c07926c26be5450169991cfd0d16eb72562e54532ed8f01f11c9eabe57a697dd3f7ceb8be8421eab783ae9c0a2e286c08eda7acbf1777

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