5daaf528ad62dd26c28c1fb58f284261185feed3693164a8372b6df06d00e1f8

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
30/12/2023, 13:44

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General

Target

1a6997eb5b0dd7a508a744390512859b.pdf
Size

35KB
MD5

1a6997eb5b0dd7a508a744390512859b
SHA1

24f66ed15a7b75fc9359a94e39cad8c9600f33d3
SHA256

5daaf528ad62dd26c28c1fb58f284261185feed3693164a8372b6df06d00e1f8
SHA512

accaaf659a54e7fd9dd07e5c373d7fe1e10886f151e6d1bd5a962d7537c99101f85699e4efa81f9f6159e61a8adf801f3a01cf90c235642bcd771b32c3807a0e
SSDEEP

768:LtxfZY5bxIMgNsa5ZJ+AzpnUYoyeDAQc8kkpX0rCyC7fHVH:LtxAMLJvpnwEGErCy4HVH

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 1032	4368	AcroRd32.exe	93
PID 4368 wrote to memory of 1032	4368	AcroRd32.exe	93
PID 4368 wrote to memory of 1032	4368	AcroRd32.exe	93
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 3948	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	RdrCEF.exe	95
PID 1032 wrote to memory of 5040	1032	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\1a6997eb5b0dd7a508a744390512859b.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:4368
- 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:1032
- - 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=98C5876CED6D6B1DE905785CD35E0AD2 --mojo-platform-channel-handle=1748 --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=E60D971424545F1E3845C5F0890EB3DF --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=E60D971424545F1E3845C5F0890EB3DF --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5040
- - 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=2FE80FED9CA90B92D890312A7E0C9F6D --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=2FE80FED9CA90B92D890312A7E0C9F6D --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2128
- - 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=AC009EA4C80FC6844333F9B732F343C8 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=E6F59EBCE1EFBAE04560452901D51F96 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=72C1B0081066940B260D3BE43425B90B --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364

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
5d2220b78562162aa21ac70e8c6bf63f

SHA1
a392cf43bac72d0f3f39c5db7f830367eac23d9b

SHA256
ea5de626341f3591f9abd44466629fafdfabeeff7f093e5ba0b16876cda6aafd

SHA512
0c3e74f90b22141c4bce5a181faac8d55556e0dc64b492ebf56ba24df9a89123f01e09b6a0ab69e80cb3bd62dbbe40b62f8ef90fb8f3e63e6eabe09124c7995e

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