ad20c439a94151c1054c6fe29ce3d24f22286e26e122837cdafd083f5e356637

Analysis

max time kernel
145s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 01:00

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General

Target

22757fe8f749eb182f9d543940e1781b.pdf
Size

86KB
MD5

22757fe8f749eb182f9d543940e1781b
SHA1

5b1195b9a7b639dc8a00cb21f845795babff9c20
SHA256

ad20c439a94151c1054c6fe29ce3d24f22286e26e122837cdafd083f5e356637
SHA512

b0b3a690a5ef49a980d65de54059749a56cc27c2ed8b289a6f809949eee9e14e7f410f024e923d077794dd3efb3ae7efe6213c9b2434b5905b7d9274e57b8bdf
SSDEEP

1536:YlcvtQNAyI9ZLP5jJQYuF00tZAOcJqdIgsZFlWW0g1yZWbpONe0q:bmNAyg5lQY/OIgszP1ybN6

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
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3168	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe
3168	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 1448	3168	AcroRd32.exe	94
PID 3168 wrote to memory of 1448	3168	AcroRd32.exe	94
PID 3168 wrote to memory of 1448	3168	AcroRd32.exe	94
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1312	1448	RdrCEF.exe	98
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97
PID 1448 wrote to memory of 1156	1448	RdrCEF.exe	97

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\22757fe8f749eb182f9d543940e1781b.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:3168
- 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:1448
- - 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=2E7D39293070E0624F5EFC173AD1BE7B --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=2E7D39293070E0624F5EFC173AD1BE7B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1156
- - 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=7DF83EE1EC0E0543B1CAFD6FE8A5F3C2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1312
- - 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=29E6388CF51ECC33D0E0E00ED6EC4757 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2964
- - 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=6F4F95F57EAE2B4B773C4B6B1610A30F --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=799443D8EF5498C714DF2DE8C3C97F5A --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=B3E62B6CA232DAFC33EE9D2970CB3A8B --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=B3E62B6CA232DAFC33EE9D2970CB3A8B --renderer-client-id=7 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2504

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
7705338c6e5ee850e3ca19f494e1c27a

SHA1
fb25a7dcffcfa514b96df66a188e72693410f6a5

SHA256
9e7b861cd966a9c719ec663d0305d0fbaaca7846626d4ea2990f884b44023c30

SHA512
242b9b2e97dd3ce291396686f7f08d1c420e9e016c862edd264fed37200ef8331aac282bb79daf11a93f75ab195a93b3a27b8c69d1d9f8f303d86d98381fe511

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