dd39f1d28c7c06d59f1cf74bf1dcb550c438ac31c4b1cb42adc7c7b7a03bb840

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 12:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

264eb34b52c693e44b0c6d880a804151.pdf
Size

77KB
MD5

264eb34b52c693e44b0c6d880a804151
SHA1

d97696da234a41aa94546ce3661349b3a9ec2d80
SHA256

dd39f1d28c7c06d59f1cf74bf1dcb550c438ac31c4b1cb42adc7c7b7a03bb840
SHA512

8cd32e1c0f12a5d5fb84fd71b1c33b93f158b7c5b720b17c1e37a24c96daf595c409de9b1939bb0a85150d82c504628525f4c9de1938a283958f46fcfe9a8b4d
SSDEEP

1536:gNHY2aRC6et199u860b9/n2ub/HbJITCZ3mxPeclaEjhNWfGberGqaUoeWapOtQU:V3AzvDu86qFnI2Z3tclnhrrjtQDDM

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 3032	3876	AcroRd32.exe	95
PID 3876 wrote to memory of 3032	3876	AcroRd32.exe	95
PID 3876 wrote to memory of 3032	3876	AcroRd32.exe	95
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 3728	3032	RdrCEF.exe	96
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	RdrCEF.exe	97
PID 3032 wrote to memory of 4156	3032	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\264eb34b52c693e44b0c6d880a804151.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:3876
- 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:3032
- - 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=CD498F72F0DBA4DDF70A4E37B22A794D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=47117C4AE8AB704EA4C3BD0526628973 --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=47117C4AE8AB704EA4C3BD0526628973 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=0C494F6D6618247CC280121B0129DA98 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=4F0EFADCA9E6E46B699B5E8046CE07E7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3332
- - 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=86357FF93D27F92520CC414769ADB11C --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=86357FF93D27F92520CC414769ADB11C --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452
- - 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=552B2B39CEB8EA6445406822C6746E6B --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3552

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
f00254189d6cc02143e97a76c093ae6e

SHA1
96657c2814d0eec0273b14ff4e670dfa9a10e6da

SHA256
b1eda568650ba451a863737e12db397fa478c0c76e504d079676fb19991bacb9

SHA512
fbc26138e8f3a79044b832c39e262e6afeab6e0e9047d81c9da2ca216595065997ab5a9f7898913124092bb20281dd52f87167d05b7ab3d56e9951270dd0de75

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/3876-26-0x000000000AD80000-0x000000000ADD0000-memory.dmp

Filesize
320KB

Download