81ce60a7b9e64456e5a3786a29a3f3189825c20f8aafb780cf01efe812fa9e5e

Analysis

max time kernel
157s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 12:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

CERTIFICADO NR-17.pdf
Size

845KB
MD5

be63cca52bbd675f446d775249d62b1d
SHA1

0dd60a0814ffbbd98ab36907a209e539ac61c32b
SHA256

1c9f0ef20946241dc8c9f39781200fa5c9b3be89de4e367e60b51948ec207cdb
SHA512

55154a7662a9d6e5029f74addf62869c296ad989bf51c5ba93a456478b93e85299996388ee1d26191e3d8cf07eeed10f2cf5160d71f075bd39d78a4e3ff4a48f
SSDEEP

12288:kkZiYIe9joH2cWHp5khR8WiOjkk84sW1TBrxQDC0kIYEgWnK2OsHP3:kkbIisHeHrCU81imq1rHP3

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
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4100	3220	AcroRd32.exe	94
PID 3220 wrote to memory of 4100	3220	AcroRd32.exe	94
PID 3220 wrote to memory of 4100	3220	AcroRd32.exe	94
PID 3220 wrote to memory of 3280	3220	AcroRd32.exe	97
PID 3220 wrote to memory of 3280	3220	AcroRd32.exe	97
PID 3220 wrote to memory of 3280	3220	AcroRd32.exe	97
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 4060	4100	RdrCEF.exe	98
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 2292	4100	RdrCEF.exe	99

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\CERTIFICADO NR-17.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:3220
- 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:4100
- - 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=9A87AC17BD1AE7335F4B218FABA02ECC --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=115B593E4B2E3DF849110DA31E649CFC --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=115B593E4B2E3DF849110DA31E649CFC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2292
- - 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=800677AD660F372F05B64136258051E9 --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=800677AD660F372F05B64136258051E9 --renderer-client-id=4 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2432
- - 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=CA3CF8B845469ADD2F21FC89845DAFA3 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068
- - 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=ACC1D9AC6C787034CCE0886442C19F0E --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=CCF5AA59AFBE1E3011D6F8E679A5A1E1 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- 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⤵
  PID:3280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4876

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=3804 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:4736

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
50b5412f4f3769faaff5bc630b7fcff4

SHA1
d22e9cdda0dd1e0350ebf0ba8470dfac1282825f

SHA256
2484b6257c3d84ddbaf2e0e1c3a17743470b034e0386c5f8ffd1850c515d3bd6

SHA512
5cbc912e3a93903cc2100afcf16112f8c1489b02135fd4ef04e9df649884b28c9e2c52036a61a8d632c7ced43c30b7d2430bfbca4307c84fbe43de69c47deb48

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