ee2d090a63b4fc9fb111c13fd1ed222a1fa346ceb6e72ea52be830bb04cd1b3c

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 15:05

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General

Target

ARCHIVO30045930059005903.pdf
Size

13KB
MD5

59a90befce6cf534618e4274c6d90ae2
SHA1

ff7e23451db5f5592244d5925ad78de324a0ff89
SHA256

ca6d155c04e94fc55ab4fa873b7bc99c7b8abd138c580111651f823ff2785a46
SHA512

65440091d552beec4d83b4da3106e1848c23099e3508a13ad4b1ad422bd4c6e065147383e1643498e51a8f8576cf2e413cad6414b88d8110e9f5b2ff8464b7f6
SSDEEP

384:CssuJm8jImOZ7m7qU87WORLehnWWitdQFUzW:CssuJ7jImOZ7m7j8ieLehWWigFUa

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 2008	3672	AcroRd32.exe	99
PID 3672 wrote to memory of 2008	3672	AcroRd32.exe	99
PID 3672 wrote to memory of 2008	3672	AcroRd32.exe	99
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 3776	2008	RdrCEF.exe	100
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101
PID 2008 wrote to memory of 1728	2008	RdrCEF.exe	101

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\ARCHIVO30045930059005903.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672
- 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:2008
- - 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=4AC51114852C3C0379B0EBFD28CDC140 --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=4AC51114852C3C0379B0EBFD28CDC140 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3776
- - 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=E0B14E0F58E3644F1CB0917B0922A96F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=BB6C1FFBA5A0C9D3608E1FFBE3F10637 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1880
- - 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=3DEFC1FFAA458FE173DE2DC5BA2788B7 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=CA3A96453B91BABB0DE1199CF0F71C53 --mojo-platform-channel-handle=2040 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:4364

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
b551483d19b38e7c561a153f8cdebeab

SHA1
53888fac9423be7e0603324d6f783f19a9b4a497

SHA256
9819e305e3149dbeb132efb5a46135a85fa9014c95647e5077ec254a478e7fbd

SHA512
7e3d0557dee476d7ea00f39ec31efb72f89de11376d669a73a3ec578ecf8a9cfbf3d8fb623f299db7d3a4371fa29269963978a0d54f195374a27fd9b42af5ecd

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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