c38396ec41c3289b9b59a3a91de0799e7778a43f919791857ffe5de87a925bb4

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 06:56

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General

Target

GoogleCheatSheet.pdf
Size

153KB
MD5

a6b4f28ea73f70b7b23990d5383d862c
SHA1

324a967c5fd8a181c394e37588d68b8abcfa1f14
SHA256

c38396ec41c3289b9b59a3a91de0799e7778a43f919791857ffe5de87a925bb4
SHA512

bf3f0eb7c0f020bbddf3a9cd722fc9766e1fb63b0ddf410b84a0f5858cc6dfa9f1b10f621a2cd74179734358e435b59e998378fb0f4b867c23f1b67cfa26bd22
SSDEEP

3072:biFQIIER/WlkP7V0jnTzrdN2YNqQ17mVzqmPoF2ua2icapr12TP+p2K:iZWlkP7Cj3r2YNqjXnufirS+v

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-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 4416	4076	AcroRd32.exe	90
PID 4076 wrote to memory of 4416	4076	AcroRd32.exe	90
PID 4076 wrote to memory of 4416	4076	AcroRd32.exe	90
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 1192	4416	RdrCEF.exe	91
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 4160	4416	RdrCEF.exe	92

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\GoogleCheatSheet.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:4076
- 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:4416
- - 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=A25609F80C390DAE3FCD8DE5B6F89D47 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=CC5AB6E0F045E68BFABDAD1F2D280AF9 --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=CC5AB6E0F045E68BFABDAD1F2D280AF9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=949B54870C7D5D3225A2CC68BB42BF64 --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=949B54870C7D5D3225A2CC68BB42BF64 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=661427B29FB723B6EDA3E82575DA6987 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=5FB07DD2ECDFD2F634DC755C1788A71D --mojo-platform-channel-handle=2544 --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=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=B34FCEE21A77AC3EEA6BAC46E45B3026 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032

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
64KB

MD5
b7350f2f667c8b7d7c234924696a1a81

SHA1
90f438c9ea7a17f29b1ce0d0e6b7d8c675d15701

SHA256
e84cd073101f0fbd4020f489bb60fff4968dffc1b1f98d5499f5b9eb2c0f0e4d

SHA512
e1953c1c4ff074d00363ec2c5c3672cce7c3f2d5bed2b6f547cd1471eab84910383362f236808186136358dbc1ef658cd63d5160c3952278ef00ab5987420130

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
memory/4076-132-0x000000000ABD0000-0x000000000AE7B000-memory.dmp

Filesize
2.7MB

Download