c87ae149f08adfd21065e37c0843cd24aac109d1d3a3984fe36f0da9ce9826cd

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 16:28

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General

Target

bc4500fb8f492e6a1c980e9e60fb7b17.pdf
Size

104KB
MD5

bc4500fb8f492e6a1c980e9e60fb7b17
SHA1

532de4075de9b2f2b4543516896738921675f18a
SHA256

c87ae149f08adfd21065e37c0843cd24aac109d1d3a3984fe36f0da9ce9826cd
SHA512

286a91378b04476ca7297807ad7ba5b4abfa6ae43be5fbc247418f5720ac213b31fc44ddf907cf9b69761b5fec816453bbaa3f50c2485999fe4ebf183dcff8a2
SSDEEP

3072:uIn+xZBGLjHGTpeIrJzug/qmazaLUWz53GM:uy4ZB2joAIrJzugCmazad

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1020	3992	AcroRd32.exe	92
PID 3992 wrote to memory of 1020	3992	AcroRd32.exe	92
PID 3992 wrote to memory of 1020	3992	AcroRd32.exe	92
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 1720	1020	RdrCEF.exe	95
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	RdrCEF.exe	96
PID 1020 wrote to memory of 2008	1020	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\bc4500fb8f492e6a1c980e9e60fb7b17.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:3992
- 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:1020
- - 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=9EBB42DF3CB1C5A930B68908BEC2AA85 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=13C8269562773403C885261CF0ED1BE7 --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=13C8269562773403C885261CF0ED1BE7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2008
- - 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=511352FAF9B6F6ED9FDB6A2000CFB43E --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=A8577072D7AA404BA06FD5952154510D --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=A8577072D7AA404BA06FD5952154510D --renderer-client-id=5 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2876
- - 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=589878DDBC94A923AFDB4F85C642B0C2 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=63B634DA0997622D201B2E9D1AC5C143 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1848

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
0ad8569c01d43f82b73b4b97945b2a28

SHA1
15f8b67abf4e3582d55ae31ad621022f69b924f5

SHA256
4f37017a5df891e217ed4170562e7630c3a1b1ae75e21af696af4f0141b8bb6c

SHA512
f729cfd04b4b57a74c2f21553066d2cae133fc5e8ef934574b2307d04ecf3175acab14408d11d2efd337566dc1679afb1020357e5f983537b101bf8965c64aaa

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