3d6f8cab18a5367f8df7522f5aa29f6dc70ed031c715de4ac2e011cd467984fa

Analysis

max time kernel
143s
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
19-12-2023 11:17

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General

Target

12365769418304c147345b4f2919409b.pdf
Size

77KB
MD5

12365769418304c147345b4f2919409b
SHA1

894989abfcabca20082eae82000479d7e2955ee2
SHA256

3d6f8cab18a5367f8df7522f5aa29f6dc70ed031c715de4ac2e011cd467984fa
SHA512

41641dbceb36d178403cf967fbfdbdf6e74a4fb44312c4b0d5f0e13bd41c740005d35dd56a77927e4efffe5a4f5ff2ec9bc01a1338f7076e3f93aa48f81169c5
SSDEEP

1536:ctk24TeEAiROMnfj4M0/G/BlsMsshd2jWK0uuPlpniURte7D139W6pOu2OgsVWqM:Ak24TeEAiMMnb4M0esMvn2jmPlRs1euM

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe
3580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3548	3580	AcroRd32.exe	93
PID 3580 wrote to memory of 3548	3580	AcroRd32.exe	93
PID 3580 wrote to memory of 3548	3580	AcroRd32.exe	93
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 5100	3548	RdrCEF.exe	94
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95
PID 3548 wrote to memory of 2004	3548	RdrCEF.exe	95

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\12365769418304c147345b4f2919409b.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:3580
- 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:3548
- - 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=7CD29FF82D2640C2FE18068DFC7773E9 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=CF39AA0D1F751124609A0E1E223B3AC3 --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=CF39AA0D1F751124609A0E1E223B3AC3 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2004
- - 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=6EC41ED25B2AC0ED92A3BFF305114C14 --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=6EC41ED25B2AC0ED92A3BFF305114C14 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=11B3AE04F59AE0E00BA7D4CF0689ED84 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=121B6B4FA066792E188C904C5D5481D9 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876
- - 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=4904959DB992412E9FCA005A9A521B31 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1816

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
92eebd6957abce4762c065fa2fe5457a

SHA1
b32187ea34e65c34a6ff4142cd39b50e4764b5e3

SHA256
7c85de4c98706729dd46638adf4284c3e50dd8f7b80caf51b5dc401128cfc3c4

SHA512
bede50141aa74442b292c89af5f6a242c76d58089c46b9d9ec018a258eda79b402bd57f14352e4d77bc959cd6cd0f958891f533abd3ce68e5f2a97983b57202f

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