782ec6a777191b09cad21d95dca95b46a9172d0f8d64b4ec5c9b5e7c565c8b9b

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 00:59

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General

Target

3b834ef6859bbb1c6720b37e1af4881e.pdf
Size

31KB
MD5

3b834ef6859bbb1c6720b37e1af4881e
SHA1

d79744456020f9c938815fba5dd2e7cbd2a9cb97
SHA256

782ec6a777191b09cad21d95dca95b46a9172d0f8d64b4ec5c9b5e7c565c8b9b
SHA512

06a7f4d32c76b652395cb2fd62308cc4af4c349ff71c3d70c5a98e9d35ebfb212aec1b558fe5d2816f5b0819789e1a0426dd052b393100279bd6182da74fa925
SSDEEP

768:ckaHO9LQLqxpbBXeCpHD3H2VXQbeaxu2XxISoeq:/Rx7XdD3H6X8ea4Odq

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 4344	2144	AcroRd32.exe	96
PID 2144 wrote to memory of 4344	2144	AcroRd32.exe	96
PID 2144 wrote to memory of 4344	2144	AcroRd32.exe	96
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 3028	4344	RdrCEF.exe	100
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 4516	4344	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\3b834ef6859bbb1c6720b37e1af4881e.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:2144
- 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:4344
- - 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=2A8EA8728AFE7591DF8F187BAC2A16A4 --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=2A8EA8728AFE7591DF8F187BAC2A16A4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4516
- - 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=075F3449EEB1F693FAFF3C6DA208DC69 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3028
- - 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=D2AD1C059B8CAF1E240F933C3D18EF75 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=328076ABA1B6B2DFE5BD8F6D64FE09F1 --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=328076ABA1B6B2DFE5BD8F6D64FE09F1 --renderer-client-id=5 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3304
- - 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=6E2295BE983FA402833ADB9C1EBD1F9F --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=1F10B072C736217297154EB1C3EB33AD --mojo-platform-channel-handle=2832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4348

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2144-28-0x0000000009B50000-0x0000000009B71000-memory.dmp

Filesize
132KB

Download