eaacdeaf660063e30564834268c95c67a5463b1f7c9e5f74d491e235a4dcbbfe

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 03:38

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General

Target

c4e0b8f98f1a6e34c24ac08bc62cc680.pdf
Size

77KB
MD5

c4e0b8f98f1a6e34c24ac08bc62cc680
SHA1

7709d79e07f4bc2083b634cb6506d430eab30b79
SHA256

eaacdeaf660063e30564834268c95c67a5463b1f7c9e5f74d491e235a4dcbbfe
SHA512

daad852c4c853e3182467d55ac941005607d229928a16032d0cb7bba14db7c64d7a9f3a6bc474ec2cd7d6c0aebdc2e899abbc474b423c98478b0cba4be2c638f
SSDEEP

1536:MYbMHD3iXbhzTGmqRqGdtzJ/WemsEADmME6GF2CtHN0EuNEzi7i7EWnVlUrqWHpB:BAHbiXbIJDzrmNAK0E1FzVl26vc

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4060	3184	AcroRd32.exe	94
PID 3184 wrote to memory of 4060	3184	AcroRd32.exe	94
PID 3184 wrote to memory of 4060	3184	AcroRd32.exe	94
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 3152	4060	RdrCEF.exe	97
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98
PID 4060 wrote to memory of 2656	4060	RdrCEF.exe	98

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\c4e0b8f98f1a6e34c24ac08bc62cc680.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:3184
- 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:4060
- - 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=2979207EDC98BC6F72BCF4D6A31F02C3 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3152
- - 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=0771ACF51C56D2463677CBC5A775923C --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=0771ACF51C56D2463677CBC5A775923C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5B0B08046653F59EAC4508DFD9E567A3 --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=5B0B08046653F59EAC4508DFD9E567A3 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=A8CA83636812EE15D30A593338489495 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=48F09F985D1C75820C2A1FAB94C2CD04 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=8C2D81DAD7E3C7ADC6ADDF7F276AF34B --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2256

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1a2d9432a879ea2851eb5a59dceeb2c3

SHA1
4cb31a2008e766de1fbed7d4a22788d51934c40c

SHA256
49e8dd5aabb527443f141db573c78fe7c349183cdd8333f3c5c78cba19e4bbb1

SHA512
5ab7f644d6c6550548c7f02ace086f19a020680c4379977d152286206864a0e54864c51ca01f5848aca3c4a71c5b075aa4c33b0a6431766881795887642fd056

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/3184-127-0x000000000B370000-0x000000000B391000-memory.dmp

Filesize
132KB

Download