795d7256c73f3e097dc6fad6afee7c6add5400e09323fb18b17a6b44da15d216

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2024 21:11

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General

Target

795d7256c73f3e097dc6fad6afee7c6add5400e09323fb18b17a6b44da15d216.pdf
Size

103KB
MD5

c46fde521f144fde36418bc0189f44fb
SHA1

d6c6e4afb4fafc90124bc0c001d8db10b4ec46ca
SHA256

795d7256c73f3e097dc6fad6afee7c6add5400e09323fb18b17a6b44da15d216
SHA512

fc2a0d2711d00a9d5aa9188c5910a284f6b375ef6357c7ab381cd62cf33f6ff9969dc40444f39c561187b4a8102c9db2676acd0e6f118e334049029b7014cbf9
SSDEEP

1536:FlnyivSxhVQsrH4mmT1IkzROhnY0sgVPQ79zDAmI4rdSL0lB8:FVDvSxhtrH4mmT1I80nYkqFAmIiSL0l+

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe
5756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5756 wrote to memory of 1936	5756	AcroRd32.exe	83
PID 5756 wrote to memory of 1936	5756	AcroRd32.exe	83
PID 5756 wrote to memory of 1936	5756	AcroRd32.exe	83
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 2068	1936	RdrCEF.exe	84
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85
PID 1936 wrote to memory of 3000	1936	RdrCEF.exe	85

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\795d7256c73f3e097dc6fad6afee7c6add5400e09323fb18b17a6b44da15d216.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:5756
- 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:1936
- - 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=1AF2E1856B5DFFF585FEC8D3E4D2DBCA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=B0F637C4A8B534E93F369B7278DF92B9 --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=B0F637C4A8B534E93F369B7278DF92B9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3000
- - 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=38ECF21B7C2E91D70C512D931E39363B --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=46906CF381C4797EA845DBEB1EB0FE70 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:348
- - 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=A3AB3254CA4095C492EF55BAB661EE85 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5248
- - 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=94420D233B16EADB4C573B2BD4BED571 --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=94420D233B16EADB4C573B2BD4BED571 --renderer-client-id=7 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5352

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
e511dea06b31b6bfd67e34568169c3e4

SHA1
35a8c8ea5f51179b327e533721a3c887438a79ae

SHA256
52635ca33ac73047cd4d4695d08f93d09da80591426a01acd70aaf87b09b8df4

SHA512
ba5cd8a6e3601bbf60b6eda5a32d0c3b6a3694420c232557e4f0bd6bb324206ae38ebc8ee9edcad2592a3612d9d04004279482b72461b188ccdc097c3f9b13c5

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