de074120bcd18a0a3af5688b6589ea54e52717bf1fea82281e502f0bba756019

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 12:30

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General

Target

22c86bd3f95d5c6c9a8ff518784ce78a.pdf
Size

80KB
MD5

22c86bd3f95d5c6c9a8ff518784ce78a
SHA1

553ec2c61727b210d884374d94a0f02067738a47
SHA256

de074120bcd18a0a3af5688b6589ea54e52717bf1fea82281e502f0bba756019
SHA512

686013f7e7599e2a6d74ad5715d7f77eb563248fe039787ddfa33f63f41af9003f757df66026d08c103cdc36f09ca04b28f3efbf7d520434b3dca907f785b228
SSDEEP

1536:P6LDBL1U2BOVzUVVg3p3iIDVh97haPvXrthPmv8WWjC/hpfsq:SLNumOqVW5VJhSv7tkv85C/hpB

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1308	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe
1308	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1796	1308	AcroRd32.exe	93
PID 1308 wrote to memory of 1796	1308	AcroRd32.exe	93
PID 1308 wrote to memory of 1796	1308	AcroRd32.exe	93
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 1860	1796	RdrCEF.exe	94
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95
PID 1796 wrote to memory of 3580	1796	RdrCEF.exe	95

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\22c86bd3f95d5c6c9a8ff518784ce78a.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:1308
- 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:1796
- - 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=F648CA28316B01D3DA0F69318B76664B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860
- - 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=BE49085A2702CF114FD7081B0325804F --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=BE49085A2702CF114FD7081B0325804F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3580
- - 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=38CFA26615B75017F492FF26005690C1 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2576
- - 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=CE66CBE8192BB7C025B8284F0816BE01 --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=CE66CBE8192BB7C025B8284F0816BE01 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3488
- - 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=C35EC43A248B737DBE35029065702449 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408
- - 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=457003F442F6FB9E2AE1E2581195061D --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1552

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
2a13a57f974c984f0d744d2dd5e6d0c8

SHA1
d8f7e322f7e22cabd9e065165b64c6cbb59f0143

SHA256
f0c884bea3f18abdf33a18bbe2132dda61d651e2e297b2663a56b9354bd4ee9e

SHA512
d7f93d22a0be6d6cc317e7d98edf1db13157880d5c90961af4cabc5fe425115a08bb00d70d2eb94ffa5102086e2cfe68e1188bdf801db6a6703cc40b5b58c535

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