f48c4e8d59dfd8423f9415e043807e2fdf90f8f6404064820e74965f850d7461

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 09:25

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General

Target

ded3c0cc9ca9e0211aebad6a2766121b.pdf
Size

103KB
MD5

ded3c0cc9ca9e0211aebad6a2766121b
SHA1

6b49335162dd98e49f95c57349b6c4fb5f84b0bf
SHA256

f48c4e8d59dfd8423f9415e043807e2fdf90f8f6404064820e74965f850d7461
SHA512

e9aeaecc04be16227009fa0729404cfded1cfff15d8435648310cb4047b68626c33748fc401acd1e94a8ab133f55444cbde0a876312b8e29f70cce83607ddad8
SSDEEP

3072:N68+gUvQK1fJZPYNUU6UCjsJAlBaZ3in9ZEx7OAw9:ghvF1LAUsmsJ4

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
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	95
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	95
PID 3968 wrote to memory of 3284	3968	AcroRd32.exe	95
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1020	3284	RdrCEF.exe	96
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97
PID 3284 wrote to memory of 1880	3284	RdrCEF.exe	97

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\ded3c0cc9ca9e0211aebad6a2766121b.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:3968
- 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:3284
- - 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=3097876BEF6EC7A5B0AEED5A259836F7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=CBCF6A41310E7737420EBD5386700C96 --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=CBCF6A41310E7737420EBD5386700C96 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1880
- - 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=6BB8EECEAB0FE792BCC70BAFC39C43F3 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4740
- - 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=41F2D7C80D23D675FF2E205436E9FA57 --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=41F2D7C80D23D675FF2E205436E9FA57 --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4676
- - 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=EC2AD67E87354CBB03571A0E285ABB06 --mojo-platform-channel-handle=2868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=3776EE49BD23028286E46A8D7517F4CE --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4708

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
44247f52cc587597ba4ee55a822679ef

SHA1
f10c7ac75494de104bceff02db13f73fe1ac68c6

SHA256
3eb22c144677ff57348d973facdc2154c49b81387f05e26854a6838ad533d288

SHA512
7d27f0a399837ac388b33ccf0767c133a63bd2ca43700784f49b65a510f70c92066a594e7dccb41eb76d5bca42d8c6101134e012a379f09769f569647ffef2a9

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/3968-26-0x000000000BD00000-0x000000000BD50000-memory.dmp

Filesize
320KB

Download