5bc8cd8f4c8b8f31b74b49fb6115c332d9028947a4b2ca006f49bb20e9cf63d3

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2023 12:24

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General

Target

tmp.pdf
Size

57KB
MD5

cefaad5705d4acf62be6974cb6fbebb1
SHA1

6516d270892325e00575f498b1c98c16336d459c
SHA256

5bc8cd8f4c8b8f31b74b49fb6115c332d9028947a4b2ca006f49bb20e9cf63d3
SHA512

a97cd1a82a23d5d33a968652680fb7911e1c9d5ee7da3769e1b41426c335b216078cf2c7014ff294eac6cf4a04dfc22410b615bc2aa5988ff8dea49e59427e4c
SSDEEP

1536:GYcD9cCcTvadxUndtnb6T5HDfnjEEv9obmNaLnDninOkz:4DeCciUdtb6hbjEQ98msLT1m

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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1968	1932	AcroRd32.exe	92
PID 1932 wrote to memory of 1968	1932	AcroRd32.exe	92
PID 1932 wrote to memory of 1968	1932	AcroRd32.exe	92
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 4968	1968	RdrCEF.exe	93
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94
PID 1968 wrote to memory of 368	1968	RdrCEF.exe	94

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\tmp.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:1932
- 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:1968
- - 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=3D2506DEC158C5B129DAA94C3C875C96 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=16815EAD1086E574CC9FADF0063B7E39 --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=16815EAD1086E574CC9FADF0063B7E39 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:368
- - 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=B5D56BE3A005B9D57095A87D108DA367 --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=B5D56BE3A005B9D57095A87D108DA367 --renderer-client-id=4 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2912
- - 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=B91E28F0E84F7A45826D38F4EC7BD035 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=4079D04D660149F446C7EED39627EEE7 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=FB8F03C0701CFA7B2EFAE7B9464A597B --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4212

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
890fb3caff84fd09cbe4446c678e0dc5

SHA1
f13d09250b66f613608aaf29447e64052d41a22e

SHA256
2212bb9a2280774287eeffcfb8d04fcfe3088f937533a1109fe98222c8c3806b

SHA512
31b1d0f78d0f76d222b7462927e9b91c33718e33c573e43fee455e820d91402830f4ba6b3514d9f90ba60712b90942b03523352bbc1767b068cb056c037bf901

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