d5848148907a5471ea346d329503e4b31a3f3459b18281af5cfb25127bce801c

Analysis

max time kernel
144s
max time network
146s
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 10:31

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General

Target

07067e6fefc3428edd6205c43ddc124d.pdf
Size

84KB
MD5

07067e6fefc3428edd6205c43ddc124d
SHA1

870f81fa2ed17f42c0bdec5917399ce37a18aab6
SHA256

d5848148907a5471ea346d329503e4b31a3f3459b18281af5cfb25127bce801c
SHA512

53885b3c5bb824735f21f5807bfde28308b6f50a1df07d51436cc74621bd1b6b3a2f22d0344e433940d89611a373826b00f1c583cb4d55075c8f1e0bf790dc52
SSDEEP

1536:E/llhXhoM7QVeWUD6K5y2zFcOK5OjlCWFbWCtFZIWqQAZVs9KWApO64C+VGQCg:WllhXG+os+8Jz7K5AlCWFtFGWqE9B6q

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4628	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4640	4628	AcroRd32.exe	91
PID 4628 wrote to memory of 4640	4628	AcroRd32.exe	91
PID 4628 wrote to memory of 4640	4628	AcroRd32.exe	91
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 4576	4640	RdrCEF.exe	92
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93
PID 4640 wrote to memory of 1864	4640	RdrCEF.exe	93

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\07067e6fefc3428edd6205c43ddc124d.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:4628
- 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:4640
- - 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=D0E016089D4BDA922DEDE3EE2EEC214D --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=923D03BCDF22C6020C1F92B41FB059E8 --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=923D03BCDF22C6020C1F92B41FB059E8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1864
- - 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=F80E1E67F556A203BF1EA52DD318E39D --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1968
- - 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=6065EC56BD6A17D9BACC00646A132D26 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=A7EF5BA47B02DF9438F465B87D421E48 --mojo-platform-channel-handle=2224 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760
- - 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=4DB5DF38C858DA66BED879F5EABAE85D --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=4DB5DF38C858DA66BED879F5EABAE85D --renderer-client-id=7 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4320

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
dffba2c428953a8cd67fbad56c966766

SHA1
5dbf5d86b81b459f47b6ed10ad8283727e5afa21

SHA256
493c64837cde587995dac8f7d00b009570af612a7b6fff250f5288a77f42d5f4

SHA512
c39ac654a79bf6e1cb6d3d87c0b771f4e31121dd092ebb67a6df413355d1dc9cf122574db24adb195c117e6e015767ea6e97c345f38e71795f6716db7ce734ed

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/4628-26-0x000000000B610000-0x000000000B631000-memory.dmp

Filesize
132KB

Download