c81b600bc77f56b1849dd2ade5c6da357d50c4f5ba9585c0630e277e41122b14

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:59

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General

Target

2c8305035f69b19fa5fe034e310ee6ad.pdf
Size

35KB
MD5

2c8305035f69b19fa5fe034e310ee6ad
SHA1

3aa5e80c6394aff34291b8ba2b7672555ca654da
SHA256

c81b600bc77f56b1849dd2ade5c6da357d50c4f5ba9585c0630e277e41122b14
SHA512

15e3d695d9c44394ea227c27240677986d427aa4680babcd97098c233f321ce129548ed1141860d69f7aa49a626928d3a25b939f5c5944a880d8c8040f015ff0
SSDEEP

768:TgGzpDhHwmvvyWSk0kFXFZnm88p+40Wqenl5u0yNTa:sGFlLv0kh8p+Zlenl00yNTa

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 880	3508	AcroRd32.exe	94
PID 3508 wrote to memory of 880	3508	AcroRd32.exe	94
PID 3508 wrote to memory of 880	3508	AcroRd32.exe	94
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 2812	880	RdrCEF.exe	96
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95
PID 880 wrote to memory of 3560	880	RdrCEF.exe	95

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\2c8305035f69b19fa5fe034e310ee6ad.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:3508
- 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:880
- - 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=4584A7CEC38FB1381FDE34E8F23FA378 --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=4584A7CEC38FB1381FDE34E8F23FA378 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3560
- - 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=4D051361196AA277F0C2300CFDCF768A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=C1971E27755EC14B96667B793487B911 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:532
- - 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=FDF888C17C60F98250B82320ACCABC2F --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=6A864FE708B1877353931431BBBAD13F --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=6A864FE708B1877353931431BBBAD13F --renderer-client-id=6 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4632
- - 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=05F54D0F9CDE9B1CF68DC6ECEAA794E7 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4596

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
631f9a4219ea838aabca8333c249edef

SHA1
e612864ef115163f86a48fdde3cb2c701f781ec7

SHA256
ad8aafc9a173c74d9623ed4a1db0c1e0dc7c3f5b8798f745f29487068a9457a5

SHA512
a2d5d324cd09a23b11ca56a089e1f04792c2cab6b87e4f84c1eab4a6be9682e4f23c3c8dddf5d21e5a5656e1819b75c345d4350fc16f092d4c83df51b333549b

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
39KB

MD5
4dea21365a426dc8fd6e07ad59af336c

SHA1
4a7fb8df0a3e140bd47708bd2c801e9c692e449a

SHA256
8aee761e7e76b91a07892fdf19f4aaa394498599a5fdd541f7892e600f4ead81

SHA512
e9824ff1f520ee4729d061891805b148d3e3fc037cecb6a70a7f7f5e3270f59ee1249c2aa6bdf2915bf3dbc0c99418bc9e9dfca03cc9fbda5c6a2b34fc2df4e0

Download Submit