c909ac618325da20bd65fde496ee85d3637f394c2045d8e1f91aeca27511d2db

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 03:17

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General

Target

3bbf47619492ffdc3b3d022feaad6230.pdf
Size

73KB
MD5

3bbf47619492ffdc3b3d022feaad6230
SHA1

06f6bb74f5f46f962beea64dc241d072b8937329
SHA256

c909ac618325da20bd65fde496ee85d3637f394c2045d8e1f91aeca27511d2db
SHA512

41910732d63855bf531204192877445dd15b3dee9577ae8a052395761360fe05e6e8f921e8bf88b685dc0236b4b1217f2e2af090b79cfab419e89f6b48af8da8
SSDEEP

1536:Gr4lkZGfxmt/qqm3vQoVVHdNXJxo0Tyli6AfSzCTshdUGJb4ET:84lkZGZmt/L6vhRZxoQs/NzCIfdN4I

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
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 3508	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 3508	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 3508	4800	AcroRd32.exe	92
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 2816	3508	RdrCEF.exe	93
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	RdrCEF.exe	94
PID 3508 wrote to memory of 3040	3508	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\3bbf47619492ffdc3b3d022feaad6230.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:4800
- 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:3508
- - 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=04DA5DE03C93EE5B9929570D526480F5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2816
- - 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=DD73B775011E32C8641C4CB171E8A366 --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=DD73B775011E32C8641C4CB171E8A366 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3040
- - 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=E0FF2D438E039059DE1531E727D036F3 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - 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=5AD433FF7FD082973158B2E05D220A3C --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=5AD433FF7FD082973158B2E05D220A3C --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:380
- - 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=A88D6DA9CA601FEA914E52F2437C91DA --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=6163A23604A73A95647D848DF05B9D59 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2972

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
b4a2af38524c1971059b5d5505fbee26

SHA1
2ed99057ed45492a027c93134d7dcfdd471be8d2

SHA256
1b814605dddbd28f7b8dbaae9647762b1d1012dd96ade16e79a9b95f6a815481

SHA512
22cab012b3e1072a41fe1eb580f417d8c1918bfaa9f0f9dcc30d86dbad9e9832c0fd43769b7f14ce876f2358ecf1740a95dffd07723e15e29e76c67297ce4bcb

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/4800-27-0x000000000B710000-0x000000000B731000-memory.dmp

Filesize
132KB

Download