8817ce78532631b10479e71a5b2425b1cdc0b408e1ab39d89831dd38c8220e34

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 04:41

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General

Target

0ed51b366052b63082c0161d3f717c4f.pdf
Size

86KB
MD5

0ed51b366052b63082c0161d3f717c4f
SHA1

ec872e2ce069c0a8c0e3c2931b5c4ee280d87705
SHA256

8817ce78532631b10479e71a5b2425b1cdc0b408e1ab39d89831dd38c8220e34
SHA512

9f0c40acfd904fabd1ddfda91d016516798668de65490c5817288c23ab71039ad3f1c55e56555b3fc4ba0912d90c730272de1ca61a140d4ece36996def2a1db1
SSDEEP

1536:HpdlWnC7HJs5j9YpqeCB/xCFSRJPlfT/UNoxbPv6dtayuHNWHpOvTWom4G6mW44R:JHWn6Hy5B3QknPlrs+xDydI7va4pmZ4R

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 4920	3792	AcroRd32.exe	92
PID 3792 wrote to memory of 4920	3792	AcroRd32.exe	92
PID 3792 wrote to memory of 4920	3792	AcroRd32.exe	92
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 4040	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1172	4920	RdrCEF.exe	93

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\0ed51b366052b63082c0161d3f717c4f.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:3792
- 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:4920
- - 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=21A9747265C6FBE4E9F5BFFE8D983568 --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=21A9747265C6FBE4E9F5BFFE8D983568 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=635894ABE93C76AB306E5725D8A62303 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=8E38A99E22A25E1624BC058FCC3E7C23 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=DEEAAFBCFD21964D0376BF574789E162 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=B99EE8C9FAF85897E6F90CC6292952A6 --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=B99EE8C9FAF85897E6F90CC6292952A6 --renderer-client-id=6 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3440
- - 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=9A9129130169247B05409228EC527E70 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3648

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
3e4aa64ce6bddfbcd44c828eb08e7cec

SHA1
4c9bc434e1902e4effafb795ccf70a5c2287addd

SHA256
d260aa8c8cfbe95c4786a5fda98238c3bd699f83fcded4b59f50f1f0916c1601

SHA512
87a145d1189e9b80025fc28ad030a181e39c0a9c5bf3dd48a284467e17de4e475eadd9eab3f22e7009f61c5bcf375b63d1d6874f442600ac420a6b2a7daa85fc

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