c24c4d805947b473c5f9abf3fa3b2168b1aaf8b282d612d004fd60774da49193

Resubmissions

29/05/2023, 21:43

230529-1kzk2aea7x 6

29/05/2023, 21:40

230529-1h82paea7s 1

Analysis

max time kernel
1792s
max time network
1233s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2023, 21:43

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General

Target

docs/SDIO Reference Manual.pdf
Size

1.0MB
MD5

3cd5aa9ebeab57595edc491c0e2d4f13
SHA1

5eee7d8d8cbb6b6ff430e06c88b9fc9a743a8a07
SHA256

d7853cf9361efb3cc947268f3bf24d55b20207de7adfac64093434cd37aaa7a1
SHA512

c291fd0ddfe56969c818fd22ccb09c759a3e419d9ea242179969bed70e057091a8e7b0c216ff49a97e286e8dfe3c71918b3b18fa505c9dface1025f603da7aef
SSDEEP

24576:660dsOQ5zl9TJZvIuCdzriuKUPFTPgITC1oxEYJQi:l0dtQ1vTJItri3c1Pn+1Qz

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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 876	4796	AcroRd32.exe	85
PID 4796 wrote to memory of 876	4796	AcroRd32.exe	85
PID 4796 wrote to memory of 876	4796	AcroRd32.exe	85
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 4684	876	RdrCEF.exe	86
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	RdrCEF.exe	87
PID 876 wrote to memory of 5004	876	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\docs\SDIO Reference Manual.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:4796
- 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:876
- - 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=9F120E55F8EED1AEE9A2AF08395CEA30 --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=2 --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=9F120E55F8EED1AEE9A2AF08395CEA30 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4684
- - 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=9F67470CA925F9EEC98B5791D8945A5C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=9D5F5548E63D539902DF74BE25D910EC --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=FE523BBE83398B46AB334CB41EFB9C02 --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=2 --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=FE523BBE83398B46AB334CB41EFB9C02 --renderer-client-id=4 --mojo-platform-channel-handle=2116 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3392
- - 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=4D01D5ADA1C32010D8A49378893B5D9F --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760
- - 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=585EF2223985C774CF657499A80E208B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
57e0f37c3b3faa787145d6e98582ec39

SHA1
b1463e9dbe5930a8e0d6b41e0dee6a3f41ef9eb5

SHA256
7f129536032ccc417bf8660ebd1b29d46ad2cff8c3da0fc2c90a0394c762db7e

SHA512
596511e1907dabc2f07181d43f77db2c7645840d199445c860402c3ac884ead72aa576cf7f3e4ae0fd6445a3d0a3d0d2e1780f46825460afe78682bfafa54cec

Download Submit