e353035e03f1d5e74719a84a5ca7503dab1b6fc366dd997277ebc98edf2fdae1

Resubmissions

11/04/2024, 12:30

240411-ppntjsbe68 3

11/04/2024, 12:26

240411-pmmhpsef5v 3

Analysis

max time kernel
52s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 12:30

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Report Analysis Logs

General

Target

2.1 PERSONAL/BLANCO GUSTAVO FERNANDO/BLANCO GUSTAVO FERNANDO.EPP.pdf
Size

464KB
MD5

3a49dd49abc6fa261141fad3e380f0a6
SHA1

5a2e42b116b1e264999819e62c3739b5d42ea917
SHA256

406de886266363623ddce64a945a99fb1fc081867d49accb60fd4f7d23d66300
SHA512

e4b07f90a881c5d92523eeaa112eb8dc60ed82036e683b8c90c60ddb3f02c0f3c8dd6be1ba07eec1993d8e88cde8b28665f446664967fc1b67ce506f79cee846
SSDEEP

12288:uG2q7EIlY/mz+OH7z2jnxoRXPln/9RXXPLfpyUK:uGz7E8YnOv5RflnfXPdK

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 2756	4360	AcroRd32.exe	89
PID 4360 wrote to memory of 2756	4360	AcroRd32.exe	89
PID 4360 wrote to memory of 2756	4360	AcroRd32.exe	89
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 4184	2756	RdrCEF.exe	90
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91
PID 2756 wrote to memory of 3356	2756	RdrCEF.exe	91

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\2.1 PERSONAL\BLANCO GUSTAVO FERNANDO\BLANCO GUSTAVO FERNANDO.EPP.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:4360
- 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:2756
- - 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=704E60A61DDA7F6A099F2E41E1F552BA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=F69D658DA37E8001A0523D46129D077D --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=F69D658DA37E8001A0523D46129D077D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3356
- - 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=53D0F07140F53743F8431D5F1987007A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=2E9F5D03DB323D805467DF292640B08E --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=00FCA4692765F84CE392ACB548716329 --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=00FCA4692765F84CE392ACB548716329 --renderer-client-id=6 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=5FE443632B8D0FDE6539FEC3148C0EFB --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992

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
b67596bc3233c9237098384bc9a346b4

SHA1
921a620fa0b0bc517b205c6a5fe32d8b552d4b66

SHA256
3ccc4b0d4e9b9ed5da21ddec553489f715624ed1f033fe9acb4c8838832658fe

SHA512
7913539ec3a47e7258da2248368503394c92d1279e605e480f8167b881b2b762591f628cdaa9ac61d95b130ffcca5d2dd9577d12897c99b1900add9240798642

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