a83d45ba2282383de6eacf35c5ad178221bcab24a6479ef84a1d0d915c01f5c3

Analysis

max time kernel
149s
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
19/03/2024, 11:07

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General

Target

d5f566a6398b6daaa28595e01eca5803.pdf
Size

33KB
MD5

d5f566a6398b6daaa28595e01eca5803
SHA1

7362e639e03700df3021502ac4a9e2d47e96375a
SHA256

a83d45ba2282383de6eacf35c5ad178221bcab24a6479ef84a1d0d915c01f5c3
SHA512

13ac4f5397c860e818b0705ca197349a8605fece1b81c70712a68d73ac4888b9a5e42e5e1fde0dcde5a2d4bcbf8deea9d08d7e8d86713630657476b2dc45c3cd
SSDEEP

768:a2ceWpVJcN/Q2NR7Dzq6d0aHLUIDePBJEid61P:MmpQ277D+6eaH4IDEH61P

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 4000	2488	AcroRd32.exe	96
PID 2488 wrote to memory of 4000	2488	AcroRd32.exe	96
PID 2488 wrote to memory of 4000	2488	AcroRd32.exe	96
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 4416	4000	RdrCEF.exe	97
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	RdrCEF.exe	98
PID 4000 wrote to memory of 2424	4000	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\d5f566a6398b6daaa28595e01eca5803.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:2488
- 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:4000
- - 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=3059BAC667B62FAB000447F4C9A65E44 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=927DA8B24F95CEC377C20CC85F5A8117 --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=927DA8B24F95CEC377C20CC85F5A8117 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2424
- - 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=90B943730D352EF2E02EE5E59BBF1989 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=CA0276209F5B6DD57C5C35E96F0E3CE2 --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=CA0276209F5B6DD57C5C35E96F0E3CE2 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4512
- - 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=9716953110BA8EA10DBD7658B72A672E --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1964
- - 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=A3C3CD02D67C45AFDA7DB29360F50A6D --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3396

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
f8290c752c2d1b0a41b94191aabc20b3

SHA1
651e1659d86a7ebc82d525cdd4e9a1103b94a74e

SHA256
7a105be9ae1a9b2bef6db150e856c0c8f915e5a04d007b670b99e9a16a7998f9

SHA512
af82ea99ea0375d040e3d8b36790cd4a941c8931048dde1b9a5d4e7c0fe5bba28620595f5b2a30cf71e6a21e16c5a8a3ceb4cc136875d08afea1a5675a9bb866

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/2488-27-0x0000000009500000-0x0000000009521000-memory.dmp

Filesize
132KB

Download