dd032dbf83daf5b5e48c8510ac6baef28e84e74e70a00e334dda0199590bdfb8

Analysis

max time kernel
142s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 23:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

664faec2f568a34ccc13017de3a8a217.pdf
Size

110KB
MD5

664faec2f568a34ccc13017de3a8a217
SHA1

a8ee06ed526c3d1abf9a2837a0e4619f4e91c69f
SHA256

dd032dbf83daf5b5e48c8510ac6baef28e84e74e70a00e334dda0199590bdfb8
SHA512

548cdd116d65f89c9e0b3ddd49738b4e4b3e2d59eead959cc1d02fd653e9fabec5a0d8d5c22c952d6048e2cf7df1a536ebc9f013590f99234359ee580eea75a0
SSDEEP

3072:g+QLjWheqsM4HcTgUHGg/gUsGIk9QxilbRm4yGqJXijFR:g+QLjWhVccMUHGSskYY1zyZto

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
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe
3680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 5040	3680	AcroRd32.exe	99
PID 3680 wrote to memory of 5040	3680	AcroRd32.exe	99
PID 3680 wrote to memory of 5040	3680	AcroRd32.exe	99
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 2652	5040	RdrCEF.exe	103
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102
PID 5040 wrote to memory of 1200	5040	RdrCEF.exe	102

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\664faec2f568a34ccc13017de3a8a217.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3680
- 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:5040
- - 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=4A3B867BA005A9F46A931ADB86965BA7 --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=4A3B867BA005A9F46A931ADB86965BA7 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1200
- - 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=8409A3314DEE80F1637B05F1C6167243 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=C8D8AE02EB59BE412C08B37CBCA510E3 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2656
- - 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=A8DDE033FE27BAC9565EC16F8A412EDF --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=DD120A24115E5752A0EF8E5A2334B31D --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2140

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
72f42f4f49f5ba57337afcb2c7828d39

SHA1
e381dc8161440a939ffa8b2f495657d6594be9bd

SHA256
a087bb915d569503d4175ee2c38848f9a11b23ac30974be4bb1835f752f51fdb

SHA512
720e011bb70936cb904a750bda17efc2d01c7a9c2b1782bbb49c5ee343639166f5e121f711eb8245f29c803259dcae4e4419c5f11ff4f71df2a34e916105cf51

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