d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
145s
max time network
438s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 20:11

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General

Target

BuroDeCredito/BuroDeCredito/-1Mphr_rxagbB5XH1H00S7sID.pdf
Size

33KB
MD5

a6fb2ef91ab0541ed927d0f3cc216c03
SHA1

f009ace4fa67f422ac60aee5763f4c1351554c63
SHA256

0e0ba4d95fb2388a329e1fcc2f853d5e7c970ee4e06f5b6aef667deabf297d0a
SHA512

87dae24bbfa41c8b96d2b095ab98fab0555f477d3a50f162cbec7e352012db18ef824cc9cadd13401a816d06fe2f9ffd99309ba62284492a9c8a3b4f31ecbd66
SSDEEP

768:NV11rM6SZJvXaQbV11rlhTec6nnAV1154F7V11o2KrXV11rH:L11g6EtqQx11rl5qn611k11olB11L

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 5040	4088	AcroRd32.exe	80
PID 4088 wrote to memory of 5040	4088	AcroRd32.exe	80
PID 4088 wrote to memory of 5040	4088	AcroRd32.exe	80
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4432	5040	RdrCEF.exe	81
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82
PID 5040 wrote to memory of 4532	5040	RdrCEF.exe	82

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\-1Mphr_rxagbB5XH1H00S7sID.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:4088
- 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:5040
- - 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=5DED27514937C1D02F67AE5791364921 --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=5DED27514937C1D02F67AE5791364921 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4432
- - 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=439F5F7EA71237313E63CAD60D7F1198 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=6E3C69FD0975A38F1BB856B0F57CA81E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1836
- - 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=B6FF5DEDFECECA0C2852EC2357B2352F --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=B6FF5DEDFECECA0C2852EC2357B2352F --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=867A5EE1879FF542E81745143309575C --mojo-platform-channel-handle=2628 --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=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=2024745F8DD268846387F4C9B0259C05 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428

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
5b715923087ed868bccadac0f86b315e

SHA1
645a5d10f55df2a8c01cd72b8f54c416fab2b630

SHA256
ef162aef2fe00c093c001aab6c897bef2d7a98833205dd28ac04db2157bdfef9

SHA512
a3a1eab097c9f99cf7101bd5ef0504afa48c8d6b37b1926fb2e1f35e340a3ebaf8d43110f53e3574fe9879fe1f103e0af1d22bd3504751a4ad66997ab396634a

Download Submit