6ec20b583d4e753ca2b304647bfa8dd492a1eb79aa5d68a8d55c205f1e66a717

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2023 14:38

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General

Target

afuwin32/AMI_Aptio_AFU_User_Guide_NDA.pdf
Size

238KB
MD5

304d9db6280b1aa876305960806faa1f
SHA1

18ba5bc712c6479b96b5ed1ab5248eaa98b4f4da
SHA256

892c23355319f043324519337ffd81ae6c4556d7b2d36c43bcf78c57f54b8a45
SHA512

ada29c8ca19fe73cffb41ed627ca021e5c9c7779e9f1bdf0b624571ef2ac6e72c4764a4005d06c528a377c2017131d98c0db200f92e66964829dcd8359542731
SSDEEP

3072:QXojt5zzCJ6dm/vRGGa42OfKwxHUXxFbcCzngiXeyKbyWyksIa+:Q0t4Jh+4Hf7AxFQSngiXeysyWO+

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe
1604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 3084	1604	AcroRd32.exe	94
PID 1604 wrote to memory of 3084	1604	AcroRd32.exe	94
PID 1604 wrote to memory of 3084	1604	AcroRd32.exe	94
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 988	3084	RdrCEF.exe	96
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97
PID 3084 wrote to memory of 8	3084	RdrCEF.exe	97

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\afuwin32\AMI_Aptio_AFU_User_Guide_NDA.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:1604
- 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:3084
- - 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=A93D8459EA20F5327254CC584B1B8C96 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:988
- - 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=88F2C8292555C33ED798386B29317FE7 --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=88F2C8292555C33ED798386B29317FE7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=A0903201CCEA68EB0B131859D2111371 --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=A0903201CCEA68EB0B131859D2111371 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3404
- - 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=414F2B213F837DDE540FBA98C411253F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=3335AEB4027FD643B2218CB6ADEE6D95 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:908
- - 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=F6B9CA01943D3C39FE6FE7E83511C430 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3684

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
c61ba506aeaae0a9c8f89316c32af3ec

SHA1
ab081af45c00642005f001a89c0441295d9b480b

SHA256
09d8eb8389b22e1d3a7141fcfa4c4ae056a6f0c05c4a6314ec8eb49c2bd92dd6

SHA512
3ed1f7e25cc575a517c128b9b6dea505bd4f273c76c7f1ac3981153ea40dc6c525f002ad065843fc0121d626bd688418cf73954cda732fd7f83584ab4cba078d

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