d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
140s
max time network
235s
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/-2U9OCZcz0xH8L3sOTiQfR-WG.pdf
Size

36KB
MD5

b298c22ae5705016ca7f893fec21787f
SHA1

faf01e85c51c3f9fb95be72f7ce23d2bc951d596
SHA256

f2a130196497fb24a46c1f793e743e090aae990b0cf17185ec781c3d4e317071
SHA512

7537ab10aebf9d627d04ad95052d40fdf8ae6cfd98f2b0069114616236c94f40709c97c50cc4d667b6534abb0a763b951e73b62c23845d258f828aef467067fc
SSDEEP

768:NVh1QKyZ/w/Vh1REeKEu26NZ1Vh1bAXVh1GICxXVh1IW:Lh1QKYKh1RK2cZTh1Eh1jCXh1v

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 5104	836	AcroRd32.exe	87
PID 836 wrote to memory of 5104	836	AcroRd32.exe	87
PID 836 wrote to memory of 5104	836	AcroRd32.exe	87
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 4896	5104	RdrCEF.exe	88
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	RdrCEF.exe	89
PID 5104 wrote to memory of 952	5104	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\BuroDeCredito\BuroDeCredito\-2U9OCZcz0xH8L3sOTiQfR-WG.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:836
- 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:5104
- - 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=2ED2F5B92AC266FAE08AE238E16149CD --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=2ED2F5B92AC266FAE08AE238E16149CD --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4896
- - 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=0103EF7CF997E8A7088DA8877BB83648 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- - 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=852BFF7A630301DB8EEFB0E50BE2E7DB --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400
- - 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=F7E3D556995D7505D90DAB980B829382 --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=F7E3D556995D7505D90DAB980B829382 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2712
- - 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=57F6FFFBB5C05061FD454871CEA85905 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3468
- - 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=A7C0CE71012F93DDCE3C14694DE4C597 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956

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
4bb0c5121352ec10aef07c8f22db2ea7

SHA1
7f92779afdcac2539459d94d3cd3e31aa0599280

SHA256
25825a3ae92de55fdb50b1989f19095bdab35d7b2a4f5b55c9f3c4498c033f2a

SHA512
e9bb5ef11b7b60d586d45c2803e3165973357f4bd6bbc92d4b2d3c7a3378803ebd1501215a4d802da32a3d05bd96abc79a9597c844510a66c400dc0c6545fec9

Download Submit