182d4ba1097a94d9e410702c73c8cc4afc44be6bbaca67efe7786d6c4d596f0b

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 17:23

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General

Target

8ce82f8dc18ba5265c1542f05efdffe5.pdf
Size

4KB
MD5

8ce82f8dc18ba5265c1542f05efdffe5
SHA1

0bef2af50bc3a159574148f1922d5b6b7754e48b
SHA256

182d4ba1097a94d9e410702c73c8cc4afc44be6bbaca67efe7786d6c4d596f0b
SHA512

056352d819443bc2e0d1be0244e9668eb43c82b774a0b583f2522b7bf044d2d9ef767380c2f685c6e0e65206fa9df23ce29251f3aff97ccaeb97ed3810fe00ed
SSDEEP

96:t9pP2/RuhTyAerhXkuO1B7Kz/oy2x/uZkInX3ujAf8WYPSKBXfrihV:t9pPgKp+0uaB7Kbyxuk4AnPM

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 2308	4208	AcroRd32.exe	84
PID 4208 wrote to memory of 2308	4208	AcroRd32.exe	84
PID 4208 wrote to memory of 2308	4208	AcroRd32.exe	84
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 1516	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86
PID 2308 wrote to memory of 100	2308	RdrCEF.exe	86

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\8ce82f8dc18ba5265c1542f05efdffe5.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:4208
- 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:2308
- - 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=6414EC2DA46DAEF7F96A1D3918155290 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1516
- - 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=6C46143D14C9FFC4593FF3CEB76EA880 --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=6C46143D14C9FFC4593FF3CEB76EA880 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:100
- - 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=16ED0177C975C1D1C0130D3FEEAA6289 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=AA821717105B9C384C324DE39B549B87 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=7460398C08466474B2EDD74950344C64 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664
- - 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=8871E145EFE6E0E1275D413DA5987826 --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=8871E145EFE6E0E1275D413DA5987826 --renderer-client-id=8 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3348

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
875f2ef97a94b36bd278d83c3d6f9255

SHA1
dbd1f66c62ac16fea021b33424e1dfc4d10f9a7d

SHA256
8c0900512e7e20c57754a97ac5bd0e7b390bb7ae78513abf5ae907e61a21c6c9

SHA512
dbc8a1ab3168adb3a47c718aea75f97a9461ede4fc275c115a142804f038ff2a3480b7d55b3993c1bca2f4d9874b7c9b8b30c4be4fdeada7515baf0e47acbf40

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/4208-29-0x000000000A310000-0x000000000A331000-memory.dmp

Filesize
132KB

Download