e83014e71fc8e772b7689a3f1c8628a2ef2852a1a38e31bddaf823615570e709

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17/02/2024, 06:35

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General

Target

file-example_PDF_500_kB.pdf
Size

458KB
MD5

c7d354ff10c868752f1b032e5b0e55e8
SHA1

6d730748d689f1c6c71bc5c5f7a5b1a65c533242
SHA256

e83014e71fc8e772b7689a3f1c8628a2ef2852a1a38e31bddaf823615570e709
SHA512

87ddcf3d987fe51c1dfa411b99e2e4a636cc828a913830afc1a80a854b151643d87da656de0b5baffbaccff2650592b27ae49407313cc16e6da1d401dbf71612
SSDEEP

12288:Cl3Zb1OT8u8CEYgORJI2FS8XqrY5ANZqplXJ:Cfb1OTREZSJXBkY560lZ

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe
2184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 4248	2184	AcroRd32.exe	87
PID 2184 wrote to memory of 4248	2184	AcroRd32.exe	87
PID 2184 wrote to memory of 4248	2184	AcroRd32.exe	87
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2808	4248	RdrCEF.exe	88
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89
PID 4248 wrote to memory of 2196	4248	RdrCEF.exe	89

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\file-example_PDF_500_kB.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:2184
- 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:4248
- - 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=0D1ECDAA241D0D51D487D5EA9C691020 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808
- - 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=12F838EE7BA0DC2DA49A5F04007938C1 --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=12F838EE7BA0DC2DA49A5F04007938C1 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2196
- - 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=24AF735AC6D399499B83559389BE644E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=02F3E8FBB16C492B9E340C5A9D52B03A --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=58F56B05F060FF7C4F3F479789DC52F7 --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=58F56B05F060FF7C4F3F479789DC52F7 --renderer-client-id=6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=876B6F32C07ED7C84B92EB585E99913C --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4276

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
42f0a6ea39b28de2a091cb85be321ed9

SHA1
8208d4390a3e40f9a0d56b02f47fb55ff953c13c

SHA256
9a40a7cc9d6fb5e0e29bdee95af3da28fed7ea0e9ba28a8895fce9f00e9f82a1

SHA512
1c3975fe95e10d32ab91bae6b449a4362cfce27e37f1e4cf6a08c0ad0b5456d627fca534a72fa87acde17d10e7019b8abfbdc77b9d8a0bef6a6eff30d90093cc

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/2184-28-0x0000000009280000-0x00000000092D0000-memory.dmp

Filesize
320KB

Download