9b83dd53af49d62e190f338054a340d005a9f7c29a073a30ff29c81e9fc1e8aa

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 17:59

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General

Target

de9dd48b6c079e0e02866f0e65b0d061.pdf
Size

41KB
MD5

de9dd48b6c079e0e02866f0e65b0d061
SHA1

4d00a3ea8c50afc11ec6ead03577b9f8f494b76c
SHA256

9b83dd53af49d62e190f338054a340d005a9f7c29a073a30ff29c81e9fc1e8aa
SHA512

578196e05ef6e309a7265f6a8df7b107beeb8d0839ee306cabcd9d74cdb79be1f683447e8253d94c56812fd83f8a3d639e193a328acac22f7d5c1b1daa5cbe9f
SSDEEP

768:toOjrAynLLpceKMHdErfJPrxBGIUB7HhLh3mjBR88vBN3xoW+:F3Z1lUfJ+J4BR88d+

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2424	1744	AcroRd32.exe	96
PID 1744 wrote to memory of 2424	1744	AcroRd32.exe	96
PID 1744 wrote to memory of 2424	1744	AcroRd32.exe	96
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4476	2424	RdrCEF.exe	97
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98
PID 2424 wrote to memory of 4924	2424	RdrCEF.exe	98

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\de9dd48b6c079e0e02866f0e65b0d061.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:1744
- 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:2424
- - 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=A744459549B18FC41F28C9D9F3309654 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=62C7516B3E2A88A1E853955D58D47C35 --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=62C7516B3E2A88A1E853955D58D47C35 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4924
- - 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=3D174B77B8AF2B92D6467DA5468EEDCB --mojo-platform-channel-handle=2176 --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=4E8C5E025F4287AE61A8824F350AD85E --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=789DFC7C6C0B35B67D3E233FF0BE9483 --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=789DFC7C6C0B35B67D3E233FF0BE9483 --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=4CD1A58E263EC941118A33EA0BBE2DF0 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4884

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
e813f2fa901f095e96894ace48fc0706

SHA1
bf5c44b1476d2274ed7040ae252db2d9c60e3b1e

SHA256
e0c1aa7bbc6ed2a2d6b2de28f5fe6c8b52d2e2b5350e4573d95abdc4385cc5dd

SHA512
0bef4298160616a184a959531dd0f3b1c9872751e118c0c4ece7e974db3fafe0feb93fea539af43ae7263639df26e44f08d25f09f7ee3bf665600c92de88f600

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
memory/1744-26-0x000000000A3E0000-0x000000000A401000-memory.dmp

Filesize
132KB

Download