46bc9671f9a0f3aaa1e2185b89a471ad5295af01bf8ce0be44061bf7ea028aff

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:26

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General

Target

a2973c979e0551efe63cf945fcc71371.pdf
Size

35KB
MD5

a2973c979e0551efe63cf945fcc71371
SHA1

7604ac8225a76f5135fdb9a717f81fefea1a3d3c
SHA256

46bc9671f9a0f3aaa1e2185b89a471ad5295af01bf8ce0be44061bf7ea028aff
SHA512

2b6b1c3a3b9222667bce3084de680725bf510309db44e6acd4d83f5f5b0fef76a024ec17d5dd35250d4982310a36706cd1b341aa12e0df856548ad1c9f5b81db
SSDEEP

768:uoS9kZehCseWB/hCvsEDp5sfkXpNJ3LUiRM9IKOvSYe8:u7uegWB/h4Dp5sMpNJbNQIKOvDe8

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe
3524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 912	3524	AcroRd32.exe	96
PID 3524 wrote to memory of 912	3524	AcroRd32.exe	96
PID 3524 wrote to memory of 912	3524	AcroRd32.exe	96
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 384	912	RdrCEF.exe	97
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98
PID 912 wrote to memory of 2604	912	RdrCEF.exe	98

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\a2973c979e0551efe63cf945fcc71371.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:3524
- 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:912
- - 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=92BAC450AB973F12E0C6F3D61ACC1246 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:384
- - 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=C16C9F4389A29DBDD53F803B81A74F30 --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=C16C9F4389A29DBDD53F803B81A74F30 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=900BD6EEF4E13A3DCCFE1C87A826191A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892
- - 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=BED88ACFB1DDD9FD3B185266F28DB925 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=9B4B668539E188A1880C64495FE828DF --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=9B4B668539E188A1880C64495FE828DF --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- - 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=7C8DC18D1C85EF983051404B21C7A67E --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1432

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
361e72dd43fcd592a4875b4f149f21b6

SHA1
64e8084b2ea742fd653c76486131e4ac04cb2af1

SHA256
68e8309ab9ede78504e17b3ebe827587da37a6fa41753d3ac68aceb6a1e092b9

SHA512
b77abbd44abe0f72f837f197590aeb93b517a6266d4861c37ad42de09d98b4e71d0c0feb28b33887796ab87bcd9b68d91da3bbf0f09b383c03f708d080af5e17

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
memory/3524-26-0x000000000A550000-0x000000000A5A0000-memory.dmp

Filesize
320KB

Download