62c98707823aee7aef5d3140933ed438f2893af068e15821ece427d680f85640

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 06:24

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General

Target

862a742f8eb96eb6eff2ca2aa4046b86.pdf
Size

50KB
MD5

862a742f8eb96eb6eff2ca2aa4046b86
SHA1

f8de48bd45eb4e66eb3a18d49e2396764ec59902
SHA256

62c98707823aee7aef5d3140933ed438f2893af068e15821ece427d680f85640
SHA512

670e8b60b6752d7309c41fb279451f08a51769279b315c533a96769ae153a21958d1edcb971ea359fd7219f28c299bb251d15e7e0af18d148d8296009ac0ba55
SSDEEP

768:Ac0nqCdA2HMxC/6+bbjRN7JoogfilBz0J06FMG/vXGpaOPvogFKMc6uuii:0nqCZM+jRNJlBz0J0WxX5c9YM1ii

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
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4612	3044	AcroRd32.exe	89
PID 3044 wrote to memory of 4612	3044	AcroRd32.exe	89
PID 3044 wrote to memory of 4612	3044	AcroRd32.exe	89
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 2420	4612	RdrCEF.exe	91
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90
PID 4612 wrote to memory of 3140	4612	RdrCEF.exe	90

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\862a742f8eb96eb6eff2ca2aa4046b86.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:3044
- 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:4612
- - 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=379D27CD36524D4762CE180B73CAA31D --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=379D27CD36524D4762CE180B73CAA31D --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3140
- - 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=0D73B34EA3B648356C032FFE22614E94 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=302B931257AC9C71F00FF8B911716B08 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=83416A6764E8E4FB3730D5AB3B6B54EF --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=D57CE422A810FDB1C90E3186D4D14B86 --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=D57CE422A810FDB1C90E3186D4D14B86 --renderer-client-id=7 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2656
- - 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=6DF5B951959671B3952ED87EDBD9535A --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4464

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
4f2b3c5272388c8b875b7e98d1b4e61c

SHA1
e9731eec1625219616a897df5bfcb1989237e8d0

SHA256
10e6303c32c547f813a6647bf21cea1c3365316d93ca3185fc28b1ce1516a8cd

SHA512
21db6e93aa565e1f7cdc844f852d5e3212af680c88cc0e423065fad5e9ec5fa1854487369212c637cebde33ce23d5dde42d0caef5d401b68524b225e87bfc5b7

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