38eecf81aa1e63d612daa462fb49e130f5e1247a2783acfa67ed93c68e39a9b0

Analysis

max time kernel
1791s
max time network
1590s
platform
windows10-2004_x64
resource
win10v2004-20230220-es
resource tags

arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
08/05/2023, 13:50

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General

Target

aguilar_CARTA DE INVITACION 2023.pdf
Size

36KB
MD5

991eae75a0a3501890c983c52558b203
SHA1

d7d309d9b5001ffe3aca0d2d130ee0b1fb3a369b
SHA256

38eecf81aa1e63d612daa462fb49e130f5e1247a2783acfa67ed93c68e39a9b0
SHA512

2ba377fc19517cd295fda3b87d923c084a8ac4ae3cf4e3710c3a3a0d100c90ca315adb0e5a84c26d8c5fe3805e1d193fb265c0439173e49de9a1c2699c008ff3
SSDEEP

768:SsaKkDHOrIWv6CZxBcwXW2TDbFfpDjvpNKuW4H4p5dG5m3g7WCpe9mBaRcKI:SwWHgm92T3vplWw4pKtDn

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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe
4952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1080	4952	AcroRd32.exe	86
PID 4952 wrote to memory of 1080	4952	AcroRd32.exe	86
PID 4952 wrote to memory of 1080	4952	AcroRd32.exe	86
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 3928	1080	RdrCEF.exe	87
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88
PID 1080 wrote to memory of 1480	1080	RdrCEF.exe	88

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\aguilar_CARTA DE INVITACION 2023.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:4952
- 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:1080
- - 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=CAEA9F5AECC6A8A4C9EA97E4E2ED39CE --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=A550E394D5ABE2662EA56619401D80B2 --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=2 --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=A550E394D5ABE2662EA56619401D80B2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1480
- - 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=C5A9FBF40E471F5A7F88C63B8C9DB5C4 --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=2 --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=C5A9FBF40E471F5A7F88C63B8C9DB5C4 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2260
- - 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=3CC0D4CDEE792CB9452A76C3BE342B21 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=5B6F29F01279C75CBB504EDAC37466F8 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2308
- - 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=60543AF531FB3CEFDA2BDD8593326A02 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4712

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
af3daaab92a346bf5b463d78af631d3e

SHA1
1317ba49d2b4523b7564ee4d108bd74572c27395

SHA256
39f8836294e3af3a6ef1ece967fc9ac7a6465af13626e7962bc8f3b7c1c2620b

SHA512
ae496824966b2fb7714c3bb5377d825c0c2b7574efaa0359cc60cab849bc7c66568c47377fa355189de8a1c8bcf24431d5344ec6cbb515843124dbedaaf137d3

Download Submit
memory/4952-159-0x0000000009CE0000-0x0000000009D01000-memory.dmp

Filesize
132KB

Download