fd451912e1ff54c5127284f6959ff8cf5247206a17b3aacb6374747206c3608f

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 02:44

Sharing

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General

Target

55433f5d2294d922cae183eb19c5e9cb.pdf
Size

66KB
MD5

55433f5d2294d922cae183eb19c5e9cb
SHA1

9207e84f278c6772efafed528d4c2c3cc5754d0a
SHA256

fd451912e1ff54c5127284f6959ff8cf5247206a17b3aacb6374747206c3608f
SHA512

019cad1c4df9288259743a362e9b69e154b2dc860eb0aeb57a529df00a5c46383487fb29d404328348a6a7543ba2bceb44f220002bea0d609a33bf1a94052d24
SSDEEP

1536:YiwmQVk7ajkkJdDqLLtGWI/yeiDUbV3SyPAmuS+7cPsZ3nrAswtZG:F2kknqI/yeiKYZh6sZXrOm

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
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2280	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 3848	2280	AcroRd32.exe	92
PID 2280 wrote to memory of 3848	2280	AcroRd32.exe	92
PID 2280 wrote to memory of 3848	2280	AcroRd32.exe	92
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 2668	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94
PID 3848 wrote to memory of 676	3848	RdrCEF.exe	94

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\55433f5d2294d922cae183eb19c5e9cb.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:2280
- 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:3848
- - 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=09660984D2B1382CB4EE72353EDA9092 --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=09660984D2B1382CB4EE72353EDA9092 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    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=D2978ED6C49C5C99B4043722FF8DC12C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:676
- - 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=A8F1B47C328CDB99A32B55B809911D88 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1864
- - 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=3B3C5D1E1E7DD72636958B6009652EF9 --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=3B3C5D1E1E7DD72636958B6009652EF9 --renderer-client-id=5 --mojo-platform-channel-handle=2092 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2168
- - 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=B7B52FD8A4CB7C0A57F4EE6AD1662775 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520
- - 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=877D3531F091EDA9D7C6B4937BEAFCF6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1872

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
a683b260a4b8a04f0e24c6729c422319

SHA1
23dfb211a53ab9ed5a3403f25e4d595b9be58f80

SHA256
92e4e8da53fe5108bd77580c75b761e03b10679fadf6c61b171f8bf3732f1d39

SHA512
0c5085e8899480f6e6eb066fe1421ce32c60866c53c03d0a57934c3f3997d9b7f23066601d1f26d25b5242c55e43e0a209e4d912b4c12aaf4d15802cef11666c

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