d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
141s
max time network
236s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 20:11

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General

Target

BuroDeCredito/BuroDeCredito/-3nS4ccQIqFgjGGe2MDXsnC0Y.pdf
Size

36KB
MD5

7a27d4ffed96a058c8c58b177e9f9a7a
SHA1

35413400331d307c4460d5797754ee80442e5f0a
SHA256

4e072dd04d79b065e35dfe4f7458d7211cd8933f0947c97628ff9585ed3a01ce
SHA512

7ae0ea8dd6cd193236e65553264a52d61f1d8d292d9521533bbff3f87c0f09bdc006bf64a4910fac14c61ff5e2bf6ee0b13c048e0cd39388d44ca575b27c937d
SSDEEP

768:NVh1agsZ0jsJE1X+Vh1hmVh1uD8kVh1RhRXVh1so:Lh1aRejKaIh1eh1tGh1H3h1B

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe
2672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 1100	2672	AcroRd32.exe	89
PID 2672 wrote to memory of 1100	2672	AcroRd32.exe	89
PID 2672 wrote to memory of 1100	2672	AcroRd32.exe	89
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 4768	1100	RdrCEF.exe	90
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91
PID 1100 wrote to memory of 316	1100	RdrCEF.exe	91

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\BuroDeCredito\BuroDeCredito\-3nS4ccQIqFgjGGe2MDXsnC0Y.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:2672
- 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:1100
- - 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=3DF2BDB27A46D3F409756CA20FF61047 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=8E6FD22C9EB860FBF72C7D76DEFBD522 --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=8E6FD22C9EB860FBF72C7D76DEFBD522 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=5A117D0DC753C4C85EBCF8D649486825 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=D8B5D179F8531271FE3CC09E8BA2160F --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=D8B5D179F8531271FE3CC09E8BA2160F --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:844
- - 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=15D2D4AD3E76DFED81CD6F1C260E31B4 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1332
- - 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=81B1D91996EBE3E52294545BE9C89E8D --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2912

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
0179d53f964f3eb892badbc5302d89e8

SHA1
ed125155d9edd483651188f07b82ab6d4e89f846

SHA256
0e62cc00109903ec5a999f6340a20701fa2dd9f5027ccd2c8c05224b5d4dc459

SHA512
91428d40cef3bf234a9c8fe3c260b0e481f89f94c7c3e64e33a62bdd4e6f4dd66d74ba142130ff8d6920dacd70adbb85b43c4d9578ecdf4793c3fbeb3d9ba6d1

Download Submit