a543aad0825fde1bf476bb095a71b61ff389206ad38bfc5bb0793d9c93824731

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 17:41

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General

Target

EF English Live - Stalin Gaibor.pdf
Size

423KB
MD5

7706388e48304689bf9872c3ba468edc
SHA1

661eeca69426d2c6b10a3d9de9df26b7883e9d27
SHA256

a543aad0825fde1bf476bb095a71b61ff389206ad38bfc5bb0793d9c93824731
SHA512

f0f5726c4aafad96cca44aaa2f52229c14decc367d28a64a686ad871ca182065bf8dcd3714fb898ada3220bc5e16b3295d2701a46be5d93e0930534a6b865201
SSDEEP

12288:KvwRT0eJ3hYWRQtQrJC3YZFhlarG9yAcbOYl5kctEx:KvKDr3RQt2wYZHlarPZO25c

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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe
1984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3748	1984	AcroRd32.exe	87
PID 1984 wrote to memory of 3748	1984	AcroRd32.exe	87
PID 1984 wrote to memory of 3748	1984	AcroRd32.exe	87
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2168	3748	RdrCEF.exe	88
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89
PID 3748 wrote to memory of 2852	3748	RdrCEF.exe	89

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\EF English Live - Stalin Gaibor.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- 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:3748
- - 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=51C83731802808F29E11105745664D83 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168
- - 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=0570FD89296963D987B9A5680EDA1892 --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=0570FD89296963D987B9A5680EDA1892 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2852
- - 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=5B85FBC207832A110AA1E8D084E089D1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=20335DFFBEEE0C6D87C31CDA8B18A9B2 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2108
- - 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=716CED6683CE8664370C415244A2D6E0 --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=716CED6683CE8664370C415244A2D6E0 --renderer-client-id=6 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2208
- - 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=8F4A0E83066B04D5715B532210D844AE --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:100

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
19a81c450d9f9042e39c87b1b8ec7b18

SHA1
371b9b59bbf39d6eb407e30fd2f3345729e43d64

SHA256
85d339cae55d3c004b54bbc59c07bee9e74a6ce6dee92683d3b40e65c98acbec

SHA512
3dd3d67e5fd9c1ef05d57e509303b1dbb15f71e544fce54e9b76bb5e29ddf188e51586d818ab81f101cb9e51d949ba6de74a8fb6723982cbb9bb8b1ff7d0a7a0

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

Filesize
64KB

MD5
25d1b85bea0df4e866a1f8e60141b32f

SHA1
0f51dbc590ca010485a35c4ab95f425197919aa1

SHA256
7730eb5ec4acb6fea702f3879bf72869b20fc82ae1162a53a349a9d336182384

SHA512
33dd0c1eeb21358a5f4e849704b684d70429b861028e2c4495858c31266d70c794cabc28662730f9cad26fc0f04d728c60c52a3264711afb6db6ef18343317a8

Download Submit