f6414a4e0addadc6e389bec0063ba732398a910b9d034026730a6520630b1a26

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 01:38

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General

Target

4d00d5eb5c763217c579b5f5c81522c9.pdf
Size

83KB
MD5

4d00d5eb5c763217c579b5f5c81522c9
SHA1

e23c13db99ae43e053c3d706e0bdd8ed7e547620
SHA256

f6414a4e0addadc6e389bec0063ba732398a910b9d034026730a6520630b1a26
SHA512

93438084da104993e1c76242fa38c21600811b8c2bfb8416202352e7acfeda6d0ed8f3cb674bce9ae5d809b141b30b6df06ad528114840f3a96ddf8f048f6ed8
SSDEEP

1536:oWj8eXChRIptbIU9NBRrEIJlBO7ZgOtfkpAYJn/s+QCkWkNpOPkIH2W6epoDlk:dQIyAVIU99BJlEtMpLBVbZPxHjpoq

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe
4808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4016	4808	AcroRd32.exe	93
PID 4808 wrote to memory of 4016	4808	AcroRd32.exe	93
PID 4808 wrote to memory of 4016	4808	AcroRd32.exe	93
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 4108	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 3340	4016	RdrCEF.exe	94

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\4d00d5eb5c763217c579b5f5c81522c9.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4016
- - 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=7F590310CAA58877E6FF92C461F777B0 --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=7F590310CAA58877E6FF92C461F777B0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=0F9EEF156F213E280831E03FF10991C5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=82CD68333A2574F87584B34752B45100 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024
- - 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=F51A98A3FD8A00DA64CEAC04D1B8F531 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112
- - 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=7B8D20664EFC085BCB3F6DF817D69E0D --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=7B8D20664EFC085BCB3F6DF817D69E0D --renderer-client-id=6 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1252
- - 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=20E3034D9A799F0D50DB163C8C1A3D01 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3060

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
db80e803b4865e4f6ae5a8eaa65e680a

SHA1
44c48934bfc2a54278f87a5a149d10aefb2b48f3

SHA256
969f487244c3f36a4ae29559bbeafe5a6aad05dc96c05e38d709141b72ca5238

SHA512
ed94299a69a14b4bffef68cdbb88546d0d8be3f6535f87fc3790d7a5c0fb840243269529d952503592382ae16bcb94d361b986bca1d21b944e7697cedf99aec6

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