f475202c61d4e5d2c0b8010fd5b6815e644dc4701d46eabd4041a4c4eb3486e1

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:44

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General

Target

66b0c87300e8f5b58dbd7b2e7a19592b.pdf
Size

35KB
MD5

66b0c87300e8f5b58dbd7b2e7a19592b
SHA1

22f6d086cd0191790d37b1a754324859db1d590f
SHA256

f475202c61d4e5d2c0b8010fd5b6815e644dc4701d46eabd4041a4c4eb3486e1
SHA512

d0aa6a739d2524bcf202ec3d392ea1495a76b9b9f66176b5050e9ec1c57de50a467bf7cadee97d9aab796b27bc0c6d5b19268ce800d8ffc827fc84e6354d973e
SSDEEP

768:JsYwnyvmyT1iKst0YTRXcjDvZKVxb7aFxu6llo+I9:JLPeCW0qRsjdKVxb1f+I9

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe
632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 4336	632	AcroRd32.exe	94
PID 632 wrote to memory of 4336	632	AcroRd32.exe	94
PID 632 wrote to memory of 4336	632	AcroRd32.exe	94
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 4940	4336	RdrCEF.exe	96
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	RdrCEF.exe	95
PID 4336 wrote to memory of 2640	4336	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\66b0c87300e8f5b58dbd7b2e7a19592b.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:632
- 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:4336
- - 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=635BDAEF8B3210F174784E5F6B31D159 --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=635BDAEF8B3210F174784E5F6B31D159 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2640
- - 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=50DFC14094458B14A12D597F92778C20 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=28E9580DDAC1987B0293FA5018DCF3B1 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=AFEA7DB134DDEBEA17CDC9BD9448F045 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=5A35245A4FD77F818B5A9C5B87C61D90 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - 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=37824270150BF50F2906676CF0EBB861 --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=37824270150BF50F2906676CF0EBB861 --renderer-client-id=8 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4044

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
14KB

MD5
efa8960cd6fd2330bdac10b139baa70a

SHA1
244f8dc6417d44eda331dc076ccddeaff1152d96

SHA256
54f0790818d5af3078a38a75cea8f5507e224d0b6ea9e865ceadbfdf2e3b3751

SHA512
40abb452dec8f75dfa2d7c4964e2a08ad3af99e54f7c750edad2ee27674e603207e888cc85619ddd03a2c0bdd3428d8ffe5743694b1e2c70bc425293b111aa8f

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