b58a5437ac5df27a08d5d6a2ddaab4a536cea4a6094b5192ed52bf3c864ac364

Analysis

max time kernel
155s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 07:21

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General

Target

4feec4471b5e14e659b7461febc16c4e.pdf
Size

44KB
MD5

4feec4471b5e14e659b7461febc16c4e
SHA1

9b54899e6cd8ba9f5af3dadb2bfb6cac4cf98ac6
SHA256

b58a5437ac5df27a08d5d6a2ddaab4a536cea4a6094b5192ed52bf3c864ac364
SHA512

1db853598db557aebf016cbb9d9191ab16616dcd59ed1d61221267a7df5fd01f9c08acb96897b425e8fb7c8ac807131dc15e04681e8729dd0f3b663387882429
SSDEEP

768:wgGzpDHVTH9Ce2s01wzxJ/Iy/3xE4jBc6yp14g4aAqipGJ47JtTCu6QT:dGFbV1J/Iy/3hNyp2gTA9pT9ku6QT

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe
752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1416	752	AcroRd32.exe	91
PID 752 wrote to memory of 1416	752	AcroRd32.exe	91
PID 752 wrote to memory of 1416	752	AcroRd32.exe	91
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 5032	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 2272	1416	RdrCEF.exe	94

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\4feec4471b5e14e659b7461febc16c4e.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:752
- 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:1416
- - 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=850FCF50825F2A20AC7A07BA0F97B3AC --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=850FCF50825F2A20AC7A07BA0F97B3AC --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2272
- - 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=82B399ED9CAA51ABC4F526FC9D0D5662 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=83967633BB2C3B700127473ECB353843 --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=83967633BB2C3B700127473ECB353843 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3736
- - 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=624691BD795280C432460625FEBBE756 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=00DAB55FDC6BC1DD9AA8610A1AB78D4C --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4552
- - 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=866AB0B99705EF1A393D53A38424BA5E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3992

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
e842bcfab52d546a38049cb731978eca

SHA1
1ca46b40783ebfb20aff11359eb9c0c3132b6448

SHA256
9f20eb9166246223e40ba03652fd441faff5b8c61fcbfca8860b0c6f2bb275a3

SHA512
e2cb544206a8e07a12cb2ab459f142b35130f789bfaba772473bbb0201fc0ceb5ce40e9ac97c54a62d548b819390335d5d9fedb407d77cc41bec502daace056c

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