a586197b34654d5e2fb9b43a0316e0ef0ff26f44fdec98f9160f192ceb327e40

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 00:01

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General

Target

DarkAdapted232W/How to Install.pdf
Size

543KB
MD5

2a772882092dc2676c6cca5d25c18069
SHA1

dcf7e4a6c769d391612a8734d602f983d194cecc
SHA256

67cce382b1976e91b7d9005bf0186d6321639a859cdac22143515f16ee6adc8f
SHA512

a5d50af99e7a2a694386b342aa0d6b0226b388c55d049aebe796b770c5630ed122b8eef56d42ce81b360f69d1bb3b4cae4ffd276c88aaeab29bc913d282f99e8
SSDEEP

12288:tAAo9Jk5M/h8edJ/sleeRThLaCpp4W3Gudu4uEhQg:tdo9JuM/hHsleeR1uCwW2uU4uEhQg

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3184	4952	AcroRd32.exe	93
PID 4952 wrote to memory of 3184	4952	AcroRd32.exe	93
PID 4952 wrote to memory of 3184	4952	AcroRd32.exe	93
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 1704	3184	RdrCEF.exe	94
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	RdrCEF.exe	95
PID 3184 wrote to memory of 4624	3184	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\DarkAdapted232W\How to Install.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:4952
- 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:3184
- - 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=7261721A2FF6BED664FEE9D8D7C0EF54 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=C3945C4F98AE315B1D896805A7EB78E7 --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=C3945C4F98AE315B1D896805A7EB78E7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4624
- - 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=7B5E1D5EEB9A6BCC602B45230A59ED97 --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=7B5E1D5EEB9A6BCC602B45230A59ED97 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1768
- - 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=DBFBA82CCB177079E3E5F49C95ACF5A2 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=30D8BA2E34F7D35576F1A9409526605A --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2904
- - 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=B40D7606E17060F5B329FC12BD79FA8F --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1632

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
b27ceb3dff7c8ef0315934f6dedaaf1e

SHA1
b0a2f2c286397be2c56101ae46a3cefb79e397de

SHA256
b2292fec84a1fd2cee434513d99bfbedafaad2d376605a0b348bd9c48de07daa

SHA512
3d2174aa24cb0499d7f62244fdf8c41d780cef1a5d4b27f26f5ed1bfc903bb7960f538b1d90d52457c284837fed6f0d6e4ea7c0094ebe1aa38defcf82b724b6f

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