35ed78af54e181395d51f88e24febec0d5aa3f6ca413069d7f3b7ec05bfbb004

Analysis

max time kernel
3s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 09:46

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General

Target

4dfcec247e5fec5a1d4e099ae7c1a1d4.pdf
Size

85KB
MD5

4dfcec247e5fec5a1d4e099ae7c1a1d4
SHA1

aaa8d66d871c1041f629f2946f57c99ccc4f1b2a
SHA256

35ed78af54e181395d51f88e24febec0d5aa3f6ca413069d7f3b7ec05bfbb004
SHA512

e38e59260407dd67c9a8c856cffd1493583cdc0b4df2de21f221effbd2ce3132610685717733aa6c42f258c36402951e4040592463f1eb9e22eefbd15e34269e
SSDEEP

1536:bZvjRn7TBKMsyhML8QI9M4viWVgw7EO7nc/JTwdLphreWSQNxQN+JTWxApOGEkcX:pjRHBK9yqmTzV97c/JW3I4XJ83GqX

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 4044	3144	AcroRd32.exe	94
PID 3144 wrote to memory of 4044	3144	AcroRd32.exe	94
PID 3144 wrote to memory of 4044	3144	AcroRd32.exe	94
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 2880	4044	RdrCEF.exe	96
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	RdrCEF.exe	95
PID 4044 wrote to memory of 4012	4044	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\4dfcec247e5fec5a1d4e099ae7c1a1d4.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3144
- 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:4044
- - 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=567AF565F64CF57123A33C8794801562 --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=567AF565F64CF57123A33C8794801562 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4012
- - 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=CBA3302FA9B9E66FCDDB486578218A25 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=3328A9EAD6C27CBFE45672CB036B6F37 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=12C82D2301358230CAF1CB900E57C2E0 --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=12C82D2301358230CAF1CB900E57C2E0 --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=7C14070B0FA015D46215676F83612739 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=FDCA68BCFFC0F3A333CCD5BA90CBE16C --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4652

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
4f69fa253030556b839bde4b49ae3001

SHA1
6fbf64e5adfbb9b822f0504de154c7401a07fec2

SHA256
0c0819d1a8e3400f913fd636e37ba079cae3ca51218d3126ebababe61e7db28b

SHA512
90ba80944c795c281c078965a827f5d063f3e5df48c96ac5680a08f13692188c615d86a0de8c81c30b225841a3c63937088ec427c6883d2059d9933a98b99f67

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit