fc11b8abc7600ce66ca327ed1576a06ededec8546b4705c431dffd920a65a794

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2024, 19:56

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General

Target

Examen Enero 24.pdf
Size

360KB
MD5

9b104cdc797a9eb8abb8a7859ef99c29
SHA1

55f87ef0d64b98df192708cfeccf0898f8e31e3e
SHA256

fc11b8abc7600ce66ca327ed1576a06ededec8546b4705c431dffd920a65a794
SHA512

6752d8a1b353ff686d617ac34315f27bfc9796601d55570d6acf7f18f01620f38843f26751c3ef74b2487cf155ab23682e05ae1338bd19fa71413629fc03f961
SSDEEP

6144:waqlVTBhSIDdK050AnpnxmCZU7kHQVbaa1itfvlfwWih3n0AZNZvG/c+1C:STLSIDdh5citHl3+0AzZdOC

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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 2316	5048	AcroRd32.exe	86
PID 5048 wrote to memory of 2316	5048	AcroRd32.exe	86
PID 5048 wrote to memory of 2316	5048	AcroRd32.exe	86
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 116	2316	RdrCEF.exe	87
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	RdrCEF.exe	88
PID 2316 wrote to memory of 4448	2316	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\Examen Enero 24.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:5048
- 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:2316
- - 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=55BEAB2CC671DE588258C7DBF6279F0F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=2B6CF41AC0668FD02B9CAD35E48FE7B9 --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=2B6CF41AC0668FD02B9CAD35E48FE7B9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=74B928521DF916D4441E68BAF835AC47 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1128
- - 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=E28AB627B6D0ABA59F3E6C181376DC1D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=48D4229328A46994E759AA3FCB9D2CBF --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=48D4229328A46994E759AA3FCB9D2CBF --renderer-client-id=6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5044
- - 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=F9F4BD3ED95C473655B8865710D61EF6 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1056

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
414dd5a3259f5c4563ca818ec66a8a81

SHA1
74f77fd56ea08cea5d15ac69a669551951bef985

SHA256
568d74dce12b6632b7851ed3ebd06364b1fd395cf89447390fcc68f360b333be

SHA512
215dbabce9cda200db8bbd3b839456754de60c75b8b854ca091ce01c6fc0e1173d0d1da7866c2d73a48ee6d7a14727904c890167c2b955734545699a2f7ef104

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
memory/5048-121-0x000000000A5C0000-0x000000000A86B000-memory.dmp

Filesize
2.7MB

Download