3cdff64ba75b9802d2febb64a4e47f0bc5dd218d079a657c4104764e66dcbfce

Analysis

max time kernel
173s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 23:32

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General

Target

07043d29ead609a7a69ae086205675f6.pdf
Size

86KB
MD5

07043d29ead609a7a69ae086205675f6
SHA1

fb4f088934559c9771a2c0dfd42d15062f5b22c4
SHA256

3cdff64ba75b9802d2febb64a4e47f0bc5dd218d079a657c4104764e66dcbfce
SHA512

b6489eb38dc1c5bac61c9e60596cd3cbfa4a03513388c35d6d47fd7ed50d470d859307cad7247a607088ff628876d45a57a5ac4c3b862c20ef247725af00b263
SSDEEP

1536:YymY0y2oBw3Ts/GEjVcpv0+K/lonWxb5BHL7WjFW8pO+6nD:xmfyBwjgGEjsv0+5IllQU+u

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe
3276	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 4964	3276	AcroRd32.exe	90
PID 3276 wrote to memory of 4964	3276	AcroRd32.exe	90
PID 3276 wrote to memory of 4964	3276	AcroRd32.exe	90
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 3484	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92
PID 4964 wrote to memory of 952	4964	RdrCEF.exe	92

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\07043d29ead609a7a69ae086205675f6.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:3276
- 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:4964
- - 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=1ECF1EEF9AB212C0A398C49F84ED21B8 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=B495EA423B1EB005960DEDE5C7155482 --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=B495EA423B1EB005960DEDE5C7155482 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:952
- - 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=7FB2360C3B381B92F26E4842A3D7759A --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=7FB2360C3B381B92F26E4842A3D7759A --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764
- - 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=310C487D584401F9A9F2B32EC3896DA8 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=C21D1E00BA522B28C204694FEE6633B5 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=21F7FCCB3B1DD40D95D8145C55A360E9 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1440

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
0c8750250e6d2ce5b7df065614083ed2

SHA1
c36f6324ac65ad0fced5e7e61578c78dc99c8db9

SHA256
30499def431c0ed195a7a3aae2893ed8ae82101aea1166834f1eba758eb2a628

SHA512
6262fb7a75891be8cc21c489741f8d26803c48741b2a05caf334f0a82196384233e1cb93b87fc1b20c5c50f4dca638db1dea84544d94335b23addc2bdfa33320

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