8d9e75e355564079724b3357e8397b7ea366b4296f0b8cc6b0ca0f520c0d106d

Analysis

max time kernel
168s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 01:29

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General

Target

522bdc71d3f5cfc8ba7ef165cd897fcf.pdf
Size

87KB
MD5

522bdc71d3f5cfc8ba7ef165cd897fcf
SHA1

ab0febd3b302fef05dbd27c280e718afee3e08bf
SHA256

8d9e75e355564079724b3357e8397b7ea366b4296f0b8cc6b0ca0f520c0d106d
SHA512

9d90843fb8d23d23bd70a2cd663c801c8a993798de648272f51b51ddd88ada051eb4096cb6e570a0fc4aa4e0331c6aac20e19e6b8e855a21306af1220d217922
SSDEEP

1536:NdSU+YIYfUczaajW6elLtcA5zA4y8L1GQwTjWGpOKCWZimVq2oDXDJXqtE:XZ+sfU0aa7e7cA5zA4LpGQjKq2q2cXF3

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
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4280	1284	AcroRd32.exe	95
PID 1284 wrote to memory of 4280	1284	AcroRd32.exe	95
PID 1284 wrote to memory of 4280	1284	AcroRd32.exe	95
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 1756	4280	RdrCEF.exe	96
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97
PID 4280 wrote to memory of 4608	4280	RdrCEF.exe	97

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\522bdc71d3f5cfc8ba7ef165cd897fcf.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:1284
- 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:4280
- - 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=E11875848488077872A59D91B1FFACCC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756
- - 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=3C6FFA5730D256F5C24232A5E22053B1 --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=3C6FFA5730D256F5C24232A5E22053B1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4608
- - 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=CFA6C4FF9D34FB3B228BD36B41ED19A4 --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=CFA6C4FF9D34FB3B228BD36B41ED19A4 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:560
- - 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=19CE61D41E696618EE557A06575193DA --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=FF50E4F94B6882D9A46DDB51A2340281 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=7F7EFDF135B419A8E79D13B37FD562E8 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4856

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
4c92da5a4b175c8e6e100a1ba85860fc

SHA1
72476cc63ac5e9a56febda9a1785b24b58d40275

SHA256
69670edb393dc6052ae04a2b17f4e399da054de4210ff07127ec84b02fc84be9

SHA512
24a4a11012b25b657a5964580164b6cd7c11baa53bc87672b91c56f3367ab69beb015ad077ea43b18b21f8d3caedef59e680bf62429bb69e3b2ef4e4c8c6b78e

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