c513539c6476ee2eb99722d11e26d69d539368d70acee9b6703dfe1dbbe594d5

Analysis

max time kernel
143s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 05:26

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General

Target

575178c85bbcbd372b0b7b3136f9d66e.pdf
Size

87KB
MD5

575178c85bbcbd372b0b7b3136f9d66e
SHA1

511040db15a7ac7848ce77fb78c3233a24335050
SHA256

c513539c6476ee2eb99722d11e26d69d539368d70acee9b6703dfe1dbbe594d5
SHA512

9af17f2b3439c9b53808217a78a059fd606ad04c883020f6948f423f558cfe27a1da5ff9294ae2f0477c51f7eef14ed0f2f1ebac65b3f2670943e73b13aa9562
SSDEEP

1536:RgZa48iAytFngVoLlFwNoOz37WPhagzZ/oT2Tv9fjLn3XtWFnEzaWxApOGH8EsWx:T4dFeO0CO7CPsgt/oTaNj73XOEzf3GHn

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1500	1392	AcroRd32.exe	92
PID 1392 wrote to memory of 1500	1392	AcroRd32.exe	92
PID 1392 wrote to memory of 1500	1392	AcroRd32.exe	92
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 2716	1500	RdrCEF.exe	96
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	RdrCEF.exe	94
PID 1500 wrote to memory of 3512	1500	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\575178c85bbcbd372b0b7b3136f9d66e.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:1392
- 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:1500
- - 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=5BB918C6D23C92869135C6A3B8E6A994 --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=5BB918C6D23C92869135C6A3B8E6A994 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3512
- - 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=7A30B679E412B84DE1E52181D3A69F21 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716
- - 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=55235AF17B7099B25055213156699BBB --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=55235AF17B7099B25055213156699BBB --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3640
- - 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=2246DF1AD09E60BD56EEA56C29A00532 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320
- - 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=ADE643D4BB6050948CEC7ED7BB954CC1 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=684638C91316FCB895E1E4CE35FA5DA9 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4172

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
a63b81b71e77f0dd72319af09fabe3ac

SHA1
d2ce74eb3c1d62678fd867b6de4933f4adbe7188

SHA256
f207f3ac280f25ea4584c3761cad15a843bec89ccc551579326bfb92d98c9136

SHA512
f6f2e031e2191af097ae36452ced850560b8a6f42ec35c160dea37926840a069450a599d141e1ffa39271a63d3cf485c464054048753e5039aa24b923438b95e

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