d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
151s
max time network
213s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

BuroDeCredito/BuroDeCredito/-1jZfxObdsisGF9bXgKzDS0SH.pdf
Size

46KB
MD5

997a8c9da31e2ae2f8ef2364b82287f7
SHA1

f83f7308867c1d98e5ec69f2f48939cd5d33e7ed
SHA256

75ce862166f803ad52c4cee7a305979805690bcc19ace34b3b11a410d9cb3e49
SHA512

10d9637e16470b2ee9b95a9c2beef30fc3892314b08c7ffff324d6dca4cf410da9e181ef49db865bf1e95d6fa195b40f0520d096eee549114cfde24981dd643d
SSDEEP

768:NVh13gbN5sVh1HoPSNDVh1QnYRzOUiragJXfafoBvv/92Vh1cq/WHQVh12rn8VhA:Lh1wbfOh1HYSNZh1/iUmnJaoBKh1cqe7

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1728	1140	AcroRd32.exe	87
PID 1140 wrote to memory of 1728	1140	AcroRd32.exe	87
PID 1140 wrote to memory of 1728	1140	AcroRd32.exe	87
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4512	1728	RdrCEF.exe	89
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90
PID 1728 wrote to memory of 4500	1728	RdrCEF.exe	90

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\-1jZfxObdsisGF9bXgKzDS0SH.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:1140
- 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:1728
- - 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=26E153C2CCE7AC613E632DDD24DC74B8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=B82934712C26D26C66912B8DAB72B3A0 --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=B82934712C26D26C66912B8DAB72B3A0 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=FC3E889A2A348B9D830D36BEBF62D308 --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=FC3E889A2A348B9D830D36BEBF62D308 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:948
- - 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=607467E01E1B29A1B0524D17944C79E3 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:544
- - 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=F7EE877547A1F739B8D2D3BB0129D821 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=1E39D036F840AD5BAEFA2A2B857F7E40 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2836

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
75d808c0cc251a4142b9983f0c48f4af

SHA1
b519bb2b15f516f1b9be2799f5bb29cb198d7fe0

SHA256
c7f2ef0f37364d886dc1fdc6cdf1c6b393baed3590dbbd3cc0553ed496e7afff

SHA512
a38c0fb7ac26cb60636a1cdd04004925e127be68320a0dc62004a3b59d5019812a536f4c4e29fd1a8cfb118805fe4c0a2c284dfee02fb1ede7a49de1d3c97021

Download Submit
memory/1140-265-0x000000000AEA0000-0x000000000AFED000-memory.dmp

Filesize
1.3MB

Download
memory/1140-267-0x000000000AEA0000-0x000000000B14B000-memory.dmp

Filesize
2.7MB

Download