d3c394ae8edfbdad7b6b94ad88e9187c776e9a276a62ed3400e3bc66a2e10579

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 10:15

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General

Target

48b36a93182fd37a3ccbbe7bcdfaa5ee.pdf
Size

101KB
MD5

48b36a93182fd37a3ccbbe7bcdfaa5ee
SHA1

4c606bcf2b5ee087e6c323d9a3cea21f7bb1a2f3
SHA256

d3c394ae8edfbdad7b6b94ad88e9187c776e9a276a62ed3400e3bc66a2e10579
SHA512

620a6f5541c4f50b3c3b12367101735fd3d354614ef54a933e5d92f1b0b238b19505f41650d56450c7138c9158cef7900f2c79fca45ca84fd29248bd9c377c22
SSDEEP

3072:YJuINOVAUOxaGj0TKS7xoxaQ5f7UuyF1PERPx:YJuIAVAnuuCyxJTUuoQ

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
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 700	3208	AcroRd32.exe	93
PID 3208 wrote to memory of 700	3208	AcroRd32.exe	93
PID 3208 wrote to memory of 700	3208	AcroRd32.exe	93
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 388	700	RdrCEF.exe	94
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	RdrCEF.exe	95
PID 700 wrote to memory of 3096	700	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\48b36a93182fd37a3ccbbe7bcdfaa5ee.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:3208
- 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:700
- - 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=D7B006905EA0B10665DB50C150B9F73B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388
- - 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=A8C466DAE81520EC529CDF88DF4AF7AE --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=A8C466DAE81520EC529CDF88DF4AF7AE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3096
- - 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=1FDA5FC4FBA7B37A0E0BE9DD725C865E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=A722EBAD48D2899B078BE5D118F992CB --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=A722EBAD48D2899B078BE5D118F992CB --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1776
- - 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=93E33900F1033D61D9DE0A36C93FEE56 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=81925C282DE82F91C3986E13E0E9B91F --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4544

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
0d0d66f3ceb1695f0455b00cb29d7bf3

SHA1
cc87eb1efa81df0825cd82796d1ce31cad6b64bd

SHA256
71aaf827d0d74e62b7e313ff9d29005110849c3058451bc93ad8012b0d565e10

SHA512
2b0a0a423bf7576b718c45f00a569f5aa37221680349d58fe42e217cfe1070fe514769e529d573297a9aa07d3c68c1a5f71a5acd5c360e9b4f9988a8cfe7de23

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit