578c7566729f0a009004521ba836911a51d5663c92cb712d450ebe6b9b005e66

Analysis

max time kernel
172s
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
31/12/2023, 03:25

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General

Target

26501b3e01e05dc436a21a6c6458b206.pdf
Size

46KB
MD5

26501b3e01e05dc436a21a6c6458b206
SHA1

6bd05b32893bcef7b74d94be8790b5f1e4c0bbfb
SHA256

578c7566729f0a009004521ba836911a51d5663c92cb712d450ebe6b9b005e66
SHA512

f0a85b886f7081e3d8c2cacac78c89cca42baccd0706baf2416843722cb7281243a5cedf6717654af88286b0d3f4577b192bd83f63edb68043a6ccc121a5556e
SSDEEP

768:M1Q9VqbNrUM8H06To28uJ8xzqhUHLo79AZjhPjnBRHgY0n:MW9Vkr+o0J8IhUHlPrBeY0n

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
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe
2092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 752	2092	AcroRd32.exe	96
PID 2092 wrote to memory of 752	2092	AcroRd32.exe	96
PID 2092 wrote to memory of 752	2092	AcroRd32.exe	96
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 3824	752	RdrCEF.exe	98
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99
PID 752 wrote to memory of 2404	752	RdrCEF.exe	99

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\26501b3e01e05dc436a21a6c6458b206.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:2092
- 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:752
- - 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=48B9E4FF9EB38EEA32386F09C91F7327 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3824
- - 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=B54CB542BF1B14604C1133746764FECE --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=B54CB542BF1B14604C1133746764FECE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2404
- - 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=4614B9F112FD216BEA40E6AAA1B2D72F --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=4614B9F112FD216BEA40E6AAA1B2D72F --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=908E647260C2012013DC2EF22136E20E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=378FFDAE9FF080617C4D03BCA84B61FA --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=4DDE63F7FC5DC86B128B997DBAFA5954 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2432
- 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:2548

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
44f4cca7af79967765e90dbdaa7a2d84

SHA1
d5b10e0c31ea482da5397973f65e0c97999e5641

SHA256
7d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b

SHA512
c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
4ea828aeb1ee3dccac77dfbf46249bd9

SHA1
08c4815600d076ebe1bae688347167609a9bd98c

SHA256
3f6ceb5eb4f0475eedd6b3333718a811396497a033038aeb9313bb658c0a1152

SHA512
e874635ce5ca4215b6046083fec3c3341a7cb2cba862f3cb65103330b9b564f7ab37dc4a62520ee4139f691a58c3fd80385b1acd0c2677fa072de45815587697

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/2092-147-0x000000000AD80000-0x000000000AECD000-memory.dmp

Filesize
1.3MB

Download
memory/2092-145-0x000000000AD80000-0x000000000ADAA000-memory.dmp

Filesize
168KB

Download