e353035e03f1d5e74719a84a5ca7503dab1b6fc366dd997277ebc98edf2fdae1

Resubmissions

11/04/2024, 12:30

240411-ppntjsbe68 3

11/04/2024, 12:26

240411-pmmhpsef5v 3

Analysis

max time kernel
292s
max time network
282s
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, 12:26

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Report Analysis Logs

General

Target

2.1 PERSONAL/BRAZEIRO/BRAZERIRO.PAGO.P3.pdf
Size

16KB
MD5

c3c45931f395edf4ba29ed4ec7ad6d7e
SHA1

f4739a6b0f2f08f3110135db98b6190d3516318d
SHA256

7d58eb8bfa137653dc8d6b9af7c4b68bb063b8703410dec7f9489ee66afc622b
SHA512

be5174ddb439a49911b258b387c81710ea89e43df53e98e567c24ca72cdd245220f6251ae90bb94efff82245dc65605216f24b047fbb03253eda17556c886a1b
SSDEEP

384:I9qeu/T83e4DUYNRTdqBkFxfS1kmk9yilsMfGeG:IEemY3e4IwDNS1kNBKMfFG

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 1664	3132	AcroRd32.exe	87
PID 3132 wrote to memory of 1664	3132	AcroRd32.exe	87
PID 3132 wrote to memory of 1664	3132	AcroRd32.exe	87
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4932	1664	RdrCEF.exe	88
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89
PID 1664 wrote to memory of 4812	1664	RdrCEF.exe	89

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\BRAZEIRO\BRAZERIRO.PAGO.P3.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:3132
- 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:1664
- - 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=5E463BC0A6829691D27805C69CE77EEA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=537995439A86B75D0F6EC117D3073B80 --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=537995439A86B75D0F6EC117D3073B80 --renderer-client-id=2 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4812
- - 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=7DF67DEC602A77C1E4441007BEFF8B02 --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=7DF67DEC602A77C1E4441007BEFF8B02 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=91F9163A1C6B238181FA735833F705C8 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=3D035DF029A34EE47D34AA6E70E3ABDF --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=DA3CF502EB83884156661E3845526F15 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1116

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
a4a4dc43976b843d44d70a5767d16c9b

SHA1
634b88c2abdb978aca883ac25f1165c9d81e9ff2

SHA256
4a827f575f19ab0d0db16bde4e37a4b146c05775170848c32ed25b961a19044c

SHA512
0694f9b0f928c9926beef569cb283532df588202692aa7c6e487065d97e34bb8f01471cd239fc97c1714d59a2686b8e74d65fbc9c3dc93330c8165db4ba174c6

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/3132-25-0x0000000009360000-0x0000000009381000-memory.dmp

Filesize
132KB

Download