49b85a317ccb3155b6657a2c3838f2566d93be79b627977a41f333526492b4c8

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 23:09

Sharing

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General

Target

4256bb51b9ff32511dcd711dfaa4ccf3.pdf
Size

13KB
MD5

4256bb51b9ff32511dcd711dfaa4ccf3
SHA1

17f5f3eab7aaaff9905145a77f8ba113b0511846
SHA256

49b85a317ccb3155b6657a2c3838f2566d93be79b627977a41f333526492b4c8
SHA512

c0cad57818e91dc4393c2b10526fe38b0db96b29a210d274772c2df2314619a1b5e7fa3ab18aeb26543b0aaa4eb4c0bd30330ca67e36be13f2a6055758575a4b
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/1Qi/60G7J8vKIs:ahZGirHAhmbZ9dQC6dJiKH

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
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3396	2852	AcroRd32.exe	93
PID 2852 wrote to memory of 3396	2852	AcroRd32.exe	93
PID 2852 wrote to memory of 3396	2852	AcroRd32.exe	93
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 1352	3396	RdrCEF.exe	95
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96
PID 3396 wrote to memory of 4572	3396	RdrCEF.exe	96

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\4256bb51b9ff32511dcd711dfaa4ccf3.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:2852
- 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:3396
- - 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=D42EEB6F57BCDCC88FC46D4EA706EC26 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=B2EDDA993134A974A49A3BF2973D828F --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=B2EDDA993134A974A49A3BF2973D828F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=F50A9EF843DA710B9CF564D837CCBD1B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=B20D1912E9398473E72AAC876625E383 --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=B20D1912E9398473E72AAC876625E383 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4352
- - 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=9E8E1CF5C793B7E796C04D7136B4E76E --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2888
- - 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=17C5EA51B1D3BBD2240BF9A840201D21 --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004

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
97a31e95a69b687dee8f23cf57850e58

SHA1
4cf7716a5e95cfcb7b1ee4a3ec40886f03081f15

SHA256
98986a4b985349bc37fd5619088ad92efde19df72691b037e34d0ddbfe2b2518

SHA512
04995ea0137021634fa7e878403aff9a84e5ace773a94ade10587ae50be7185890f1115eecd41cd37b3615fbf72254b4a4037dbfe16a1e6c62b18e888fb4a3c9

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