04f3780253853a42695af722f7565583724da849f55b7101e225a8857f796e28

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2024 08:31

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General

Target

IMG311105718.pdf
Size

82KB
MD5

73b3243c227db3aeeacf436cc6e78a89
SHA1

c39d3559cdf703a4a186275bd3aa77499efa9c8e
SHA256

04f3780253853a42695af722f7565583724da849f55b7101e225a8857f796e28
SHA512

3771d0fe2bcf57534dc7c114b7683d1df61ba06555c476a3bd08566e78fdc34418c9975e66814e04e30499cf4b2d57b468028ad8c31e28861e90b518f547ee82
SSDEEP

1536:spD2X6YCtKxHVZC3pyoE2BAoLi3cChiOEjejYXwjrQRNCWj/8rRayCUsfSm:eqetKxHV42oeMIjjYGrQ6WyayCUsfV

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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 4276	1336	AcroRd32.exe	85
PID 1336 wrote to memory of 4276	1336	AcroRd32.exe	85
PID 1336 wrote to memory of 4276	1336	AcroRd32.exe	85
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 1352	4276	RdrCEF.exe	86
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87
PID 4276 wrote to memory of 3388	4276	RdrCEF.exe	87

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\IMG311105718.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:1336
- 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:4276
- - 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=0F678FB43FF01BE43D369243EBB971E9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=7A9456956233E0CE5717CF08F34D110B --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=7A9456956233E0CE5717CF08F34D110B --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3388
- - 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=7B43E5733631F1C1C57C64FE0A457842 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=7DEA15D10CEF6739F5CAF1393610F4C0 --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=7DEA15D10CEF6739F5CAF1393610F4C0 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2676
- - 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=3D319BBE6FB1D073952457DF88E04745 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=E98E94BE19DF355757BD41E2533E3024 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5020

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
64a91f03f0f60a3117c999889237fff0

SHA1
ac8f603a773e72e573a21c47ae423dae02fb8935

SHA256
ce1f2b8cfae223c82a4ccbde84b2cea24fb75088c7d61fcbd623219aeb91aa06

SHA512
7fadded3cb8217047ff240f29a3c22d866e292fe9e1e0113b69018ffb9e2564f3f0436777d9a4da5078758f2c5401d955d99a41773349800db64b2bd190ba196

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