db6e87a23e10835e9a469f1fbc9dad0404a7bdd64d57fbd8f5059fcae9c38a9f

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 10:52

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General

Target

89539014a87baaf30db0b35951af7046.pdf
Size

45KB
MD5

89539014a87baaf30db0b35951af7046
SHA1

e5c8428b6c1e0e32fbaa36c29ceabb8fe1d11b69
SHA256

db6e87a23e10835e9a469f1fbc9dad0404a7bdd64d57fbd8f5059fcae9c38a9f
SHA512

5044ef63a2d50b5a2db18cb4cfab95cc2e61ef910be938e2043e6dde08eee33c90efca0ac0e431bb125b67828cd63544b5c07b5aa9880d436110be735ebf42f6
SSDEEP

768:XcmvJH+LM8e0anqfplz6MfDGS8raPLliq1VrSRIUb8XHK7klpiEW7j:XLUPsk98mpiq1VSRIo8XHKupiEW7j

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
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe
2336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 4804	2336	AcroRd32.exe	91
PID 2336 wrote to memory of 4804	2336	AcroRd32.exe	91
PID 2336 wrote to memory of 4804	2336	AcroRd32.exe	91
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4332	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92
PID 4804 wrote to memory of 4084	4804	RdrCEF.exe	92

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\89539014a87baaf30db0b35951af7046.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:2336
- 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:4804
- - 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=DCE54EA853112D31D83CA2807BDF104A --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=DCE54EA853112D31D83CA2807BDF104A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4084
- - 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=97D062CD3E561B1F747A2F83F036FA20 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=2CD2DD5A6C2CB3F5EC549BA37C845738 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=EBEE80DBCF4AA2F424420CD7F358C06F --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=19E45EF20821422B52AE21F3ABAED1D1 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1116
- - 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=6FF9DA3F3132EC0A1822130098B0AFE8 --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=6FF9DA3F3132EC0A1822130098B0AFE8 --renderer-client-id=7 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4380

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
17756aa8bb4ab9ec254b13e52929f064

SHA1
b91fa515c6d769771a6ffeb18855c8490e2c3332

SHA256
92e202c203b93de3bb0e190de50cb062341dad7d8e8a51aaa0d34a7c2e673ec8

SHA512
14f8c294ecbebad76fe2302eed72f7903c8e2dea598d4e82a1a4b53253bf2f18cd82f8bc84c367991ed4a0bdc193f49df3d5c3d2f50b9d714bcb5f9fb2d96c27

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