ba65bb1fb33d86c96397a330442a7b634d5887111fce11990ed11a3c19fd6e58

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 16:40

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General

Target

8a03ca6ae23a497eecd57dcbfc84a651.pdf
Size

90KB
MD5

8a03ca6ae23a497eecd57dcbfc84a651
SHA1

97450b5676ec8bdb6660f50a22fdc3b015612f29
SHA256

ba65bb1fb33d86c96397a330442a7b634d5887111fce11990ed11a3c19fd6e58
SHA512

9dbdfc014546c81d79a2ab2d60bddfc95f7f4f75392be64c2f7a3e05249f27c9586e1869a4724cbfd5814335d77b7af1cfcfa4d26aa9fbd186d87e499a822568
SSDEEP

1536:N+7yTAmh4TPjvgpZ7padkbACYbv+ySoFhuw7UmRShrrc4xW6pOu26WDYJ+ZqPONw:s7EAmCTPLgpLaDCYbmySovem4hrrzSuP

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 4620	3288	AcroRd32.exe	88
PID 3288 wrote to memory of 4620	3288	AcroRd32.exe	88
PID 3288 wrote to memory of 4620	3288	AcroRd32.exe	88
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 1600	4620	RdrCEF.exe	89
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90
PID 4620 wrote to memory of 2996	4620	RdrCEF.exe	90

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\8a03ca6ae23a497eecd57dcbfc84a651.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:3288
- 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:4620
- - 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=4F6E4A3A528C0FB248F6A450E1737B18 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=FD533E4F067D8F1A4E9BBF3D6BC0A21F --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=FD533E4F067D8F1A4E9BBF3D6BC0A21F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2996
- - 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=88BC049700CCEB156B728A2FD5E8321A --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=88BC049700CCEB156B728A2FD5E8321A --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=1AEDC45CAE728A8636CF65B29E987F13 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=068D9DAEB7EB290F8277529F12C3AB8B --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1016
- - 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=297D924612FACCA6A18012266A9EC5D9 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4924

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
74c000d4a942a487e8cb65a26492a54f

SHA1
d3d770e3de23fe8b50dea3e8b56dce6537353765

SHA256
d7ecae56cae28b7cd0952c1b7b93fbc1765964d4697a1e9c618429f3fe1cd6cf

SHA512
49f215a574563043bc1f4f73878cfc84fe03a7dc11eda9746398e26a55fe4ae841aac17ab60bd9eb840c126745adcf2f0fcb725cd7fb65a2b99b4a3e4b3e2a11

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