1f9b058ef9a34be1b1e0229d3fc3fcd576bf2402e0306e15eccb24020d8052df

Analysis

max time kernel
161s
max time network
188s
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 13:14

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General

Target

19a1008deeddaad4bb3f72aa3d59eb48.pdf
Size

82KB
MD5

19a1008deeddaad4bb3f72aa3d59eb48
SHA1

fa9f6d5ca61e42c1d5c07acd8834ce009ee3dc62
SHA256

1f9b058ef9a34be1b1e0229d3fc3fcd576bf2402e0306e15eccb24020d8052df
SHA512

1db4f03dfebf274e494da1e133606060a936de7993c07ccbd4565a8d85af6e2a3db9674e0675580dd3c4dc6fa9f671fedacd7142923f1da73003d6c626c02d05
SSDEEP

1536:OHM3IjFpkqqiDf/2RyGVz1vQ0vtFvxevrKeWHpOvTWQP1WcFakhA3fRwgS8Fl:kfqiz+RyGx1o0vrxIfvZ1WcPwfRLSs

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
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 3240	1680	AcroRd32.exe	95
PID 1680 wrote to memory of 3240	1680	AcroRd32.exe	95
PID 1680 wrote to memory of 3240	1680	AcroRd32.exe	95
PID 1680 wrote to memory of 2512	1680	AcroRd32.exe	97
PID 1680 wrote to memory of 2512	1680	AcroRd32.exe	97
PID 1680 wrote to memory of 2512	1680	AcroRd32.exe	97
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 1104	3240	RdrCEF.exe	98
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99
PID 3240 wrote to memory of 3040	3240	RdrCEF.exe	99

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\19a1008deeddaad4bb3f72aa3d59eb48.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:1680
- 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:3240
- - 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=641327CDE0A1A78744C471476D5BF52F --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=641327CDE0A1A78744C471476D5BF52F --renderer-client-id=2 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - 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=2999461308BDBD634826DE9DF9F19392 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3040
- - 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=2FC7E11466AD4F3C923C4EB2F357152D --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=2FC7E11466AD4F3C923C4EB2F357152D --renderer-client-id=4 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3288
- - 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=A316575F62F3021CC7E24F3F25513F2A --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=A690E37A5D31775F43050692ACD73067 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=11B6C3D795A4054EB5B3939F08776266 --mojo-platform-channel-handle=2128 --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" --backgroundcolor=16514043
  2⤵
  PID:2512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:912

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
0089cd48634553ce1c2016da89e682e2

SHA1
a83c510c8aa896dc95e39f4fcc534b46f346c288

SHA256
e81e6688f77971c272f99c9d3c763049488e7de3db3a70c4dcf715c310d071f4

SHA512
562b5452bf02aa95717ffec21b51e2bcdbd33635fd2843d3dd7f13811c575ec4d4a4af07b0f52dde24d1f5713f0f6725877a677e05cdb893ceb309ac62580a3d

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