b2829abc36fb6a33867b1fb0b578fb6dd9e29e64d4ae12dff60e7ac532519078

Analysis

max time kernel
154s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 22:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

41ad8731cb743b656e2e509d2df4cd39.pdf
Size

86KB
MD5

41ad8731cb743b656e2e509d2df4cd39
SHA1

cb5fba3e6c56c79bd549a73c338b2d7690468bca
SHA256

b2829abc36fb6a33867b1fb0b578fb6dd9e29e64d4ae12dff60e7ac532519078
SHA512

644852850a2b7822fe3471bc1511ac38f9474132a2e38df156c36e3745c9c059256fa1af870fc29551e6d236ffe7d67cb3087c85c3c5aba9daf855d508de5366
SSDEEP

1536:SHlaodz0gv19iTs2kcTWgPdNDy6RidXBHq30ny6ok6sO7fx3AEXPeWOpOwrKWpgY:G4odztv1Gs2ZP/y6R6030e753XXPzwrR

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
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2888	1480	AcroRd32.exe	98
PID 1480 wrote to memory of 2888	1480	AcroRd32.exe	98
PID 1480 wrote to memory of 2888	1480	AcroRd32.exe	98
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 1324	2888	RdrCEF.exe	100
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101
PID 2888 wrote to memory of 4848	2888	RdrCEF.exe	101

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\41ad8731cb743b656e2e509d2df4cd39.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:1480
- 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:2888
- - 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=27EC708080763DB5EED9D61B631F9E0D --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=27EC708080763DB5EED9D61B631F9E0D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1324
- - 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=B207B0F35D0F719846AA0E7085FF334F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=90A3E14242DC7DD9BF0D9688B4E6CF5B --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=90A3E14242DC7DD9BF0D9688B4E6CF5B --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4400
- - 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=E236011750C018D275762599BCED4876 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2112
- - 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=58F68F7E276B82E95616C364BC093812 --mojo-platform-channel-handle=2104 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548
- - 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=F2ABC9034C06F35F48561E6767528148 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960

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
441b06e2de4c45fd6f5efe788c3f397e

SHA1
11b4a175b6a813066b9c89b250b1eaad1f9a3e6e

SHA256
09dbe459f75e18757c6a983d04bc0a0378bcebe6a58717976866242d5eeb7271

SHA512
d8d095d349a267309b9b9738242a9678d996c6725f88d27cbb184a38bdcbf5f253ffcae06477c2d66887d53adb4edef0d652e0754d9b09e75850e00be03074c9

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