5b827cedc72552dfdf519107586e47997d7348dd9d075888ae1674c46983e941

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2023, 20:55

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General

Target

comp_baix_39125609 (1).pdf
Size

29KB
MD5

281d3d7ecf5943d08de9fe3a51da6f2d
SHA1

22e03c3326f0afa85c63409e98bd58fd801fdc6b
SHA256

5b827cedc72552dfdf519107586e47997d7348dd9d075888ae1674c46983e941
SHA512

23c7519a09921a30edd7e445c3d9edcac637f7eb730a95d119d9a449147ad01b5fc4f7a28eb7aa4eea6c23eec3a7982005c55e129a9f5ba1de60a6b00dab2b3a
SSDEEP

768:TkqzBPoFuf3y4w4GE9tShMPDmXHfXRsLZHmUM6/f/ZEXC:TjBRa4MESaPDmvhs88SS

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-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe
2004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2100	2004	AcroRd32.exe	86
PID 2004 wrote to memory of 2100	2004	AcroRd32.exe	86
PID 2004 wrote to memory of 2100	2004	AcroRd32.exe	86
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 2592	2100	RdrCEF.exe	87
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88
PID 2100 wrote to memory of 1004	2100	RdrCEF.exe	88

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\comp_baix_39125609 (1).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:2004
- 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:2100
- - 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=9E17EBA3A41DCA0397E6D00F7A8CD9E3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=4F36B8358C0DBD886D918CB4948FF979 --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=4F36B8358C0DBD886D918CB4948FF979 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1004
- - 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=8E74601B8B0B1664FD2AFF59518C06C0 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=27A3DC8E79F94B9890C5D6B0B88BD197 --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=27A3DC8E79F94B9890C5D6B0B88BD197 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4428
- - 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=F3F7A601223D5F71F4266DBE7C84DD45 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2644
- - 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=E07DEA98C140DA6216113CFC07096EDA --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:924

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
697c12d90505cfba171c3b712710b1df

SHA1
82650c9cf6910849dabbc85203b7ec78e72cb263

SHA256
059285e3c469f89e4633143b158d5b99084cb29dd1d625248531ae12f7a5b951

SHA512
27f7a0b654f648c65e75fba432dfdffbd1a34cc955ac5cb2f0f57ab9a60d399c656ed7a9256fe08f42c6e51c483a87f136aaa882e0280b211df4c1be7f32bd11

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/2004-25-0x0000000008B10000-0x0000000008B31000-memory.dmp

Filesize
132KB

Download