f8895ecbe6f1e5bb0578f51f39bd5e6f166f2a10a9b366bef97134c0264efaab

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6b6505886d6abcfd587d3ad3958ed17a.pdf
Size

75KB
MD5

6b6505886d6abcfd587d3ad3958ed17a
SHA1

e0927f228772767b109b4df571164c862d36e800
SHA256

f8895ecbe6f1e5bb0578f51f39bd5e6f166f2a10a9b366bef97134c0264efaab
SHA512

f148021c2819d6fe868acf8ea499f8362abfb3b29abf0ecae902e1f396e7b34c1396660ff755d8f36c3164e68135dc2b554cf4a34f793633bd30459f58591ffb
SSDEEP

1536:xZzkv8VW8Z8Kglo2So3W0fJiBuVv870A7b3pruZ8JZtroU1q+cq:HzkcglldfJiSU/kZwZtp82

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1892	1368	AcroRd32.exe	94
PID 1368 wrote to memory of 1892	1368	AcroRd32.exe	94
PID 1368 wrote to memory of 1892	1368	AcroRd32.exe	94
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 4820	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96
PID 1892 wrote to memory of 2088	1892	RdrCEF.exe	96

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\6b6505886d6abcfd587d3ad3958ed17a.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:1368
- 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:1892
- - 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=E0401E3DDE44440B9170E81987F9D863 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=87A00D08B0757F73EAB75150749FD711 --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=87A00D08B0757F73EAB75150749FD711 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2088
- - 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=53D4F9EE32092546684B43552EFE475D --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=53D4F9EE32092546684B43552EFE475D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2624
- - 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=881AB1DF99228661BE96B2ECFCC52689 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3464
- - 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=ABE1F9E64160E0A840491F9734DCE224 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=F8A5C632CF805C656602D2D4814AEC79 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4292

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
8b3035af57cba52246044aff70f373e6

SHA1
9357d2006cfcb08cf3bc29ded0dc10c97fbf422d

SHA256
4792dee305340068cdf989be8d04735156ed564030216c244d031f0b31fe6736

SHA512
e7d56a9dc2413ea87796abe3bb7100cc3127f8fd7b7c973abfcd03e388b862ad7f3bfb7b60e9fc2139d97c091e9dddd9a8775c1fe6cd493a589bd55eb33da32e

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