2a334f5fa087d8e03bec1008a6674ffac7322abad72590849a633b179e968ef8

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 13:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

86fefde259d47958f8a430e02fa7d6cc.pdf
Size

79KB
MD5

86fefde259d47958f8a430e02fa7d6cc
SHA1

babeae7ba6bc400e441285bb55cbd19107d83e62
SHA256

2a334f5fa087d8e03bec1008a6674ffac7322abad72590849a633b179e968ef8
SHA512

0fe15570a022e989f0198be1d609e8d2ad622f953a57987dcf9f18de133f60adc661c5a7a54bff637df8e087610b647f52dc0494dd5d51be63dc2adb1930598b
SSDEEP

1536:0fQNEhXoP0wqaSBH7+llBCu1LLB2WCdmxWOpOaZoOsRC:8UEYPvq7HIV2mqaZoG

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 3808	1820	AcroRd32.exe	87
PID 1820 wrote to memory of 3808	1820	AcroRd32.exe	87
PID 1820 wrote to memory of 3808	1820	AcroRd32.exe	87
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 1848	3808	RdrCEF.exe	91
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 2524	3808	RdrCEF.exe	90

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\86fefde259d47958f8a430e02fa7d6cc.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:1820
- 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:3808
- - 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=DE6F0B6ED2235FE78560E1655A25A9E4 --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=DE6F0B6ED2235FE78560E1655A25A9E4 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=ECC91D2E5B03DAED5CB5E6D3AF445E58 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848
- - 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=AFAB7D2D57B0FBB5B679AFF3BE492542 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=3D1C3961A93630CA430B635E6D0BF760 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=8E4EA7610425D989173E784E0C49C7CA --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=5E829B3771D9B6F579458C9A4E9A98B7 --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=5E829B3771D9B6F579458C9A4E9A98B7 --renderer-client-id=8 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4392

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
fd4d6024cfaac6ede8541fc7f9cadd75

SHA1
b834da50d5955a373b28ca18a4d69404b345c2eb

SHA256
506db1344fa1bc6b700982737af386c376d002a069f5b6108fb390b986f738fd

SHA512
67f99074cb510793df7c01289321b0a772c5e9d37996bd856b74d5fabd68b2ebe58f58cabb05858879efb86907f28fde8ec072c47002d9d23d08765afe1594d1

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