9d4a4a40aa717b4b8c9ba8d6395a3f785b062c70f2f0d6757f400d7c142e31e0

Analysis

max time kernel
141s
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
22/12/2023, 13:16

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General

Target

9dce50f402b4b79c0e6b718325ab244d.pdf
Size

81KB
MD5

9dce50f402b4b79c0e6b718325ab244d
SHA1

3bcdd7fe0991a2563335e8a2dba29e7353c19414
SHA256

9d4a4a40aa717b4b8c9ba8d6395a3f785b062c70f2f0d6757f400d7c142e31e0
SHA512

b73f8f500d47adbe3a10fe6705ea2534b3b981743d7c3932d9293f026c39b2af064b3c05b7a69b50c1612187206bed196a278099fc94de252eaa2595a06eb4f0
SSDEEP

1536:5bXlnj73CCP4iEhlOZVFOthUdIYXB4y3hXHXWapOtQHWdPPIjS1QDxi5iRP:FXljzDV0thUdz3dH4tQzLj

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 4700	3680	AcroRd32.exe	93
PID 3680 wrote to memory of 4700	3680	AcroRd32.exe	93
PID 3680 wrote to memory of 4700	3680	AcroRd32.exe	93
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2728	4700	RdrCEF.exe	94
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	RdrCEF.exe	95
PID 4700 wrote to memory of 2052	4700	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\9dce50f402b4b79c0e6b718325ab244d.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:3680
- 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:4700
- - 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=A703B723F9BA1D300DA27B6CA7E323D9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2728
- - 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=3F626256F5222C3A02B7521FD5DF9FE8 --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=3F626256F5222C3A02B7521FD5DF9FE8 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2052
- - 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=222C250F063E7F02F697AA35C3916D1E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=900E3C1A6586D52F3FE0074FD9E6165C --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=900E3C1A6586D52F3FE0074FD9E6165C --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4280
- - 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=990FB057DA51262E3598EEC635DFE26C --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=918C2A6CD4409B90DC93B4D2E751464B --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4468

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
888106db59de6684f6266bfe73ad8044

SHA1
4bfaf0b5bc5acac3310fcd731a15374f5edac773

SHA256
0a39745664ce8b715b4e6c51687246bc13cd3a9f45d3418388114f7d14f969ad

SHA512
c53151417b2b3fa43c878bda391dc2c3a7f8236011008a0f76fc8c41cad25df5653d5d3eac78165aeee528485ac79a3f9a5a7329495ffe756d29e719251f11e2

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/3680-28-0x0000000009250000-0x0000000009271000-memory.dmp

Filesize
132KB

Download