769128d6abc93f1f7b0802eba3edac4b93c662923d649b48f0b9c4e3c6859518

Analysis

max time kernel
163s
max time network
186s
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, 08:34

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General

Target

1384e8aef7287e4fb45feb448a33e9ab.pdf
Size

62KB
MD5

1384e8aef7287e4fb45feb448a33e9ab
SHA1

2d4a84ca155423052e5852d27d8e06300ef6b98d
SHA256

769128d6abc93f1f7b0802eba3edac4b93c662923d649b48f0b9c4e3c6859518
SHA512

a048c0d2dbad2dd699e822e74bc40481db0a80f592586c7a673d16e448b4e7d9f2e249729eb46de209f1fe85cca6d4ebf29ca2369f99cc45dc8d7787263b687b
SSDEEP

1536:sBRP31yGVsI7rggL93BR+jztE7x7aS6ydAeZxBrNvE5+5RR1:+1yuEgR3BSS7YR6hZPrN8Ul1

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
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2740	1612	AcroRd32.exe	91
PID 1612 wrote to memory of 2740	1612	AcroRd32.exe	91
PID 1612 wrote to memory of 2740	1612	AcroRd32.exe	91
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 996	2740	RdrCEF.exe	95
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96
PID 2740 wrote to memory of 4264	2740	RdrCEF.exe	96

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\1384e8aef7287e4fb45feb448a33e9ab.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:1612
- 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:2740
- - 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=B7A399A63C521B0B05ACAD3DEC4D8843 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996
- - 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=73EF67D706BEAD534662B1D90112A6DB --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=73EF67D706BEAD534662B1D90112A6DB --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264
- - 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=7FAB8F531378E09745B60A69DAB67829 --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=7FAB8F531378E09745B60A69DAB67829 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3856
- - 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=9C4B61459C3EE705F0C2B1EE4794A4EA --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:852
- - 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=0C5F8B528A26A00015DB6D72D9040AEF --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=3615E0DCCAEACC0577CD529B3AE137EF --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4940

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
f704c9dbe4977a4194ec85d5434c01b8

SHA1
1d2f66a1d7d688213f421f9900378e5f3cf6df64

SHA256
18b34cbbf68c75b21301672912962f0dd0f8577de8cb662b1ca0e94efbf67fc6

SHA512
2363e7b0d0b9f304dec986d5d71110572bc21699db3fbae3839d33149210acf55cf7bae613e1a09bc88ccd563dc12618c55dc35b81a0eacacb3a66acbe207a20

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