917ced4b9515d95eec1e1515c10f6de91d6337f242071cca84f048fbaa220151

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 02:01

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General

Target

917ced4b9515d95eec1e1515c10f6de91d6337f242071cca84f048fbaa220151.pdf
Size

127KB
MD5

af71fea08fc393a921e58ffab07663ba
SHA1

9b070505c62c980d1abbdd577a3f24d69b69356a
SHA256

917ced4b9515d95eec1e1515c10f6de91d6337f242071cca84f048fbaa220151
SHA512

00a253e2564cf60afb4c3de729a66378519fa30253583453a079633dc9ebbe77d6e8cfb70a4a94ac5cc301f290b02a83b5e3adadd043758c4401ef749befe20c
SSDEEP

3072:tAci56CLq0wahjnvBmH7mgWjZmf7Q+oon4:tLXHKjnvB+mSf7noon4

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-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3628	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe
3628	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 1380	3628	AcroRd32.exe	85
PID 3628 wrote to memory of 1380	3628	AcroRd32.exe	85
PID 3628 wrote to memory of 1380	3628	AcroRd32.exe	85
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1264	1380	RdrCEF.exe	86
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87
PID 1380 wrote to memory of 1708	1380	RdrCEF.exe	87

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\917ced4b9515d95eec1e1515c10f6de91d6337f242071cca84f048fbaa220151.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:3628
- 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:1380
- - 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=4E580A1FAC4B4C2AE432B18904F73EE5 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=6C87B908B125E6574206B2BD3EC2AC50 --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=6C87B908B125E6574206B2BD3EC2AC50 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1708
- - 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=49F1603D53BCE6570E7C0DFB56EAB2AC --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808
- - 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=875D574939473D8B7FE6250B399CC051 --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=875D574939473D8B7FE6250B399CC051 --renderer-client-id=5 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:232
- - 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=5B77A5F8A89D982F7678D06765419EF2 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=86EEC7F16795110FEB63A24A4C073557 --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036

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
44a27f495820e61365fd3ac347c212f9

SHA1
3eb413955a2b937866eb2c24828180466566e2cd

SHA256
84a32ef7311ce3189fb688e894ef66fa82747c811bda24eab4440148bb83a0d2

SHA512
987b5ff5ee196be09fd1f20de599d420b225eecfceca0b60dd23b810eff1a48917f4fd7b0b73caee7b68dfc5089fbe8fa068d918439ea1f9a00243934cdc0b81

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