7d2c168863802da5f4205a22dd4fdfcd3831424545eb9ec17556514da5078a73

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:30

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General

Target

22df28fcb90b179f670fdd85b4c528e5.pdf
Size

95KB
MD5

22df28fcb90b179f670fdd85b4c528e5
SHA1

c888b66f7528ab2f076b8da3b6ae258c4c402064
SHA256

7d2c168863802da5f4205a22dd4fdfcd3831424545eb9ec17556514da5078a73
SHA512

9c37e85d7ee667768234fc7c79a934370dbd57e3d7c0dbde0307d433278fd65e00c5e48a44258ce1905cd93d4c3f557a6f788a5db4f6ef2f1d3f5c176f8ceb98
SSDEEP

1536:QaV0aqX7uP2a65CZsOxjHKb5UMCnsiIxFkS2mHJMZzW6pOu25/Uvqe7UW+atGjKl:hV0aqruPx65Czxb45URsjaKJJu2eCe73

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 4892	4184	AcroRd32.exe	92
PID 4184 wrote to memory of 4892	4184	AcroRd32.exe	92
PID 4184 wrote to memory of 4892	4184	AcroRd32.exe	92
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 3552	4892	RdrCEF.exe	93
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	RdrCEF.exe	94
PID 4892 wrote to memory of 4448	4892	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\22df28fcb90b179f670fdd85b4c528e5.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:4184
- 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:4892
- - 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=C52CBE84C801E42934FE8F6FC87A3C6C --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=565755C1B5D15B258F38DA30CCDE0C5E --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=565755C1B5D15B258F38DA30CCDE0C5E --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=E79A4952D34091532BA25797EDB3EF2B --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=E79A4952D34091532BA25797EDB3EF2B --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3892
- - 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=C60B7BEED5ED2F876C7C9A556490FF4A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960
- - 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=1EB81EB5B2DEDEA285C6F3338EF8AA20 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764
- - 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=01CF6A47C3269D848BCB3F57CADC9867 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2504

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
48038ec1e5c98131153cb9a1ed0969ff

SHA1
956ea70b7e4b306363a6176d772d84719b4997c8

SHA256
6250609c8afa7c790d40a573b9b0547bd5eea1ac074aa68269c43b0a6b0cf857

SHA512
4419654345c5abe21dea2018d8eb41c958162f6cde3fa909705e06cf85984fb33dc21f271b98fd2981b0795f4535d6b861c081586ab503002ac6b70684463655

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