d1231f201b13f69eb04a856f22d413a03c1f2b192b517d9fd20a4bc02c3366c0

Analysis

max time kernel
161s
max time network
158s
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, 06:47

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General

Target

8636b6b224d06273629a9dfbe91444cf.pdf
Size

84KB
MD5

8636b6b224d06273629a9dfbe91444cf
SHA1

788cff23561bab195f3c7c6f696e06a80aa16a56
SHA256

d1231f201b13f69eb04a856f22d413a03c1f2b192b517d9fd20a4bc02c3366c0
SHA512

f58b166f4c90b511ff92e9af1f9c086ea5a1195d389f4bd3abd4d11c0c3774a9ac5aaaf0cf63e01729169bebacb9c0b2907f991e89932a35411b6e1293f9a4e4
SSDEEP

1536:AUhl5EOVkDwkrPIqE7wgzplUerME/BEyfmsIft5ONWOpOwrKWaOQcghjmOg:3tEdU8IqE7tNlBoQvfdWOqwrscghja

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe
3808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 4084	3808	AcroRd32.exe	88
PID 3808 wrote to memory of 4084	3808	AcroRd32.exe	88
PID 3808 wrote to memory of 4084	3808	AcroRd32.exe	88
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 664	4084	RdrCEF.exe	89
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	RdrCEF.exe	90
PID 4084 wrote to memory of 4572	4084	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\8636b6b224d06273629a9dfbe91444cf.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  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=C25352428815956725D22C893CD61D10 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:664
- - 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=28F7FE94D8C4EB8304D0CA5EC2E4298C --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=28F7FE94D8C4EB8304D0CA5EC2E4298C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=6A76F7EADDA295AE80760AF5DD8BE624 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3420
- - 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=134094344B85296F28278C5A5EA9E728 --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=134094344B85296F28278C5A5EA9E728 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4692
- - 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=D73C61DF35CF16288201AB6ED9911193 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=414B04F90EFA23E5EE18E34674680AFF --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:892

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
b42fb0ebfb9cbb05cf967caa90412234

SHA1
f95859fcdcacb58c266884cc9d71be681d5a52b6

SHA256
869cd7736106dc1af7eaba6ce0416578d4181177fea646b530329fc4cf580ffe

SHA512
2a06c9364cf9748230b48ab80671ccb7dd8deea5acc876d1ce07db34a14b9edbc4e34102881279fe4a9064c439bee1cd7753e4db7bd5fd825ef65e357c154ab6

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/3808-28-0x000000000AFB0000-0x000000000AFD1000-memory.dmp

Filesize
132KB

Download