f347da4ca48424ad16b0bd009e336c7b7c11d268f7d8e23fe4deffe29d1a5949

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 15:39

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General

Target

dcda7443253b33217b3e7f0ef46bca04.pdf
Size

90KB
MD5

dcda7443253b33217b3e7f0ef46bca04
SHA1

9a10c521242f0b0f09f8b37c10967d93b0912cf0
SHA256

f347da4ca48424ad16b0bd009e336c7b7c11d268f7d8e23fe4deffe29d1a5949
SHA512

0bc6c2bf20c8ee386fc20821b9aaaebf7ce94a90beda8f12ecbbdcc51a59ffbe9fda47c490ae880f2a07739c367ca3c3e0f1e92f715f16665ee47f7c2f4a08df
SSDEEP

1536:neHwMQhsqrjIWQCdqMDAWAu424YqJjNQL2hCflAv5ZxY8hWepOZ9pD8Wl/XIIYYj:NMQhsqTNLqJjNQ6YdApLWZjDqId08RAM

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 3480	984	AcroRd32.exe	94
PID 984 wrote to memory of 3480	984	AcroRd32.exe	94
PID 984 wrote to memory of 3480	984	AcroRd32.exe	94
PID 984 wrote to memory of 3924	984	AcroRd32.exe	95
PID 984 wrote to memory of 3924	984	AcroRd32.exe	95
PID 984 wrote to memory of 3924	984	AcroRd32.exe	95
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 2968	3480	RdrCEF.exe	97
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98
PID 3480 wrote to memory of 3176	3480	RdrCEF.exe	98

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\dcda7443253b33217b3e7f0ef46bca04.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:984
- 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:3480
- - 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=DFC7D81AEDA81B41B5207A699898C9EE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=0E0B8F31659253342CC4503E26D1FE51 --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=0E0B8F31659253342CC4503E26D1FE51 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=B6F8BA10C3DEF1D1D0CC091E7F623C17 --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=B6F8BA10C3DEF1D1D0CC091E7F623C17 --renderer-client-id=4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2360
- - 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=E3BD525EB81BE4F30F29A821C1E39569 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=F7B44BEE403F9E40BC5B7F398AE5724E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=637310814D1A67E40EB5F6D2DA90104F --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- 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⤵
  PID:3924

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
5c5b0a849b6c0194c677c36e03c5a534

SHA1
9b3d9313fc0fb7649147a269b2e50b0c3e352437

SHA256
7db60171c0542bd705d5dd41b2d6e6e8c0c3326b8ea48c7e52989f5e0114dc78

SHA512
12f5e16ae3d4469c22002d5b167571b53e1ec9e224939464ffce52482a7d8d2ebbfc84c7257ccd6cf1077a9ba5e22c459a52b0d14f70abebb3ccf91f382b892f

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