1d0ce4396c85eac0180f2568dc8419cf7fb6abeb4ebf6f41cc28d952ea64fa6d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 22:28

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General

Target

edirectory/Docs/Server_recommendations.pdf
Size

51KB
MD5

5949e2681bfe2720e26dddc9e027e83a
SHA1

11fa850e2914a5c762a2da8ee9243fae431c6f6c
SHA256

b3e262b854ee9525ef2bdde861fa7962853893ab122fd79ea681581b139c8679
SHA512

695c67d526631cae1f4d07911cf43d4ca72522a4f1f567f616a9a890a94cccfd77e168e05ee295b2c8ab8eb5d1c5e676a51bfae65973e7bf3a7cd931c39bbfa4
SSDEEP

1536:qn/9PU0K9yT5yA7b7yf+nRnLs2egXPzU9T0CVY:bV9yT0Abyf+RnLF7yTVVY

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 3292	4788	AcroRd32.exe	92
PID 4788 wrote to memory of 3292	4788	AcroRd32.exe	92
PID 4788 wrote to memory of 3292	4788	AcroRd32.exe	92
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 1544	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94
PID 3292 wrote to memory of 852	3292	RdrCEF.exe	94

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\edirectory\Docs\Server_recommendations.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:4788
- 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:3292
- - 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=56CC65A8B60EB2F79EC6E1116D5FF4E1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1544
- - 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=B2D3AC3FE66831230E2140836C4AD2AC --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=B2D3AC3FE66831230E2140836C4AD2AC --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:852
- - 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=95E2FE0F5742E87035FC3A3AC3138AF8 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3332
- - 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=2FBF12D3B55441D9B0E9EB17E5FE45C7 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948
- - 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=B8EAC115F2C220D0BD44CF42E9A2952C --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=B8EAC115F2C220D0BD44CF42E9A2952C --renderer-client-id=6 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4888
- - 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=4AFC11F9C0081C6E0BBCEE5A0DF914B8 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2324

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
b5dad3ad535936939f3c067f10cb7a22

SHA1
7fdf786af4ad8c4b9c0dec0d498352d19706f701

SHA256
33be9567175cf4033ef719bb00bc21bafb23e84e98ffb4d9492a3ff0f1281a84

SHA512
e58fab92abefa375d3ed4a6ef070fad694c56cc93afac8faecdb054204314a2a379a1fe13816844a25d69783f78b86e934a119ec35aabddbf4834a6095fe97bd

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/4788-135-0x000000000B6D0000-0x000000000B97B000-memory.dmp

Filesize
2.7MB

Download