6918a060215ea43d53cf5ec226c0f78a6bbf9bb497b990f24e3446d4aaa65c11

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
11-01-2024 23:24

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General

Target

54de56b3630b3b059974ff185011ecae.pdf
Size

90KB
MD5

54de56b3630b3b059974ff185011ecae
SHA1

accd8a740ce4249b67038f6aaea8db4f089dff94
SHA256

6918a060215ea43d53cf5ec226c0f78a6bbf9bb497b990f24e3446d4aaa65c11
SHA512

4e0c9b01f2ac92ab2a769fd39eb929261fec9adf8616047f817ed5a35435bb79be4cf91d218167563a8b075b9eaf288ea237c3bfbae3528df6dd62a8fbc8d116
SSDEEP

1536:qo8sHWhDjlWHaRwzXA0OI7dQjAkhN3OBGQIUWXpO/RTD9RGW4q7dcddJiIgG0e4q:Z88CjlfG1OIJQj1VOBSM/FJRf6dd25q

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe
1672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2344	1672	AcroRd32.exe	93
PID 1672 wrote to memory of 2344	1672	AcroRd32.exe	93
PID 1672 wrote to memory of 2344	1672	AcroRd32.exe	93
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3616	2344	RdrCEF.exe	96
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	RdrCEF.exe	97
PID 2344 wrote to memory of 3260	2344	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\54de56b3630b3b059974ff185011ecae.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:1672
- 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:2344
- - 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=5A2360BF75C1742F8F8722E526EF3F12 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=6909A1CF81060029E0B79A5BE1249771 --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=6909A1CF81060029E0B79A5BE1249771 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3260
- - 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=0C29C4EDDB929B5674C378266F22C8C4 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=4F5D4D867E906DAEF7A9BF7365045869 --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=4F5D4D867E906DAEF7A9BF7365045869 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3788
- - 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=69A941865ADB0E1B3D751F2B70E8FC14 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3036
- - 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=A9AEC61F84BB0175AC5CA131E3BF8F27 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1464

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
b08134d8e7b980f6d7c8ca97294352c6

SHA1
f2c5e1dfe2054aef472af900277443b1fde3e316

SHA256
4e24d6ca435ee9147179bb0c06cfeb7f7818545e19f83ce7cba6de7ea7a82d82

SHA512
786e2a296dfbd80bd7d07e7cf1684fc724967f8adaa3311019a80779175f613e1433c0c6a77055886df381b5608bf9718a66370a7e7853db04e4bef5845124f1

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