a9a878fc24d45a8949a3db53e3f32b8498e52f14f481a0bd71fc39b5f5b95a04

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 06:33

Sharing

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General

Target

Contrato_de_seguro_20180000101434356047227.pdf
Size

201KB
MD5

370d5576f86e208de638ca4bdb9973a0
SHA1

f5e4622d8f4d7a03f134f785de8dd2fef0ae88ec
SHA256

119031ef6e3c69055110b504aa145ccc003634bc741d99e64b324faee4384554
SHA512

4907f5274eb244be485c338470b2e38fb495fc3a776d98191a028556de07df22caae8151436dac3e3f9cd141937f282f297efcd6108ec8387236fa716dd0890f
SSDEEP

3072:TRPs/tKQC6rNq3n88CcNsRJ3cLkTd9f4fvTOUlKaYAet2/VxfZOSSSYYF/IpCe0T:iFz1NWC0sRpKkX4HCN5t27nZP6hGl

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe
3848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3848 wrote to memory of 832	3848	AcroRd32.exe	92
PID 3848 wrote to memory of 832	3848	AcroRd32.exe	92
PID 3848 wrote to memory of 832	3848	AcroRd32.exe	92
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 4144	832	RdrCEF.exe	93
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94
PID 832 wrote to memory of 3648	832	RdrCEF.exe	94

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\Contrato_de_seguro_20180000101434356047227.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3848
- 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:832
- - 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=DF1E604FE51F635DFC4E22154BB3E3FF --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=CBE70B1E596769DC54A00C48A8B60333 --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=CBE70B1E596769DC54A00C48A8B60333 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3648
- - 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=695BCEC21D1EBCDAF1A4EDB0BCAE3AB3 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:712
- - 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=57FFAAB1F4F3B6E4FC7469A767598D7F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=BD26EF4EB7FEBC9C63B984BCED837C73 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=9C28DBCFA59FEC3148C97C0F36B84552 --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=9C28DBCFA59FEC3148C97C0F36B84552 --renderer-client-id=8 --mojo-platform-channel-handle=1592 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4840

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

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Downloads

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

Filesize
64KB

MD5
bd3690c64c7f973a50e96cbba607dcaf

SHA1
16ba8b43e33d6fbaba35a6b1b6806deb45511527

SHA256
10cf68ff815e14b7a4d59726c519327c55a23373798ecdc6975726b814dad9b2

SHA512
78d9d1f38a9c34a794611c5ebeb679a53074dff3fe24a36d3182b05260fa70aa5f7193b0d2b3ed9958e95087c0c2db43efef191993d01a80065d8f696969ac35

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/3848-31-0x0000000009AE0000-0x0000000009D8B000-memory.dmp

Filesize
2.7MB

Download