9c3dd40b4539a812baabc3b8e1cec9ae45a39ec8d799c1bd6e53d9d64a2366f0

Resubmissions

07-07-2024 20:29

240707-y91taaxgjk 4

07-07-2024 20:21

240707-y48lyaxflq 4

20-04-2024 11:56

240420-n355bagg7x 4

Analysis

max time kernel
205s
max time network
215s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
07-07-2024 20:21

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Report Analysis Logs

General

Target

Graillon-FREE-2.8/Graillon 2 User's Guide.pdf
Size

1.3MB
MD5

59b3677c6e3062fed2caeff815ff92af
SHA1

c88a30f959b5fe27201a2d7e46ac25036b4654d6
SHA256

44d4ab58ab19bae55b1b31a60ffac4d7a17529356c94270251aa0ef43581c2e0
SHA512

d540ca3881c5af6be62fd0e0d183ede2b8c4a6ae08d499b015780e8831ea84eeeabc2c276e4144e0e168e8cea7b282de677e9a534100c74d1dc3b4f9d02b31e7
SSDEEP

24576:TdXU+4DDZMGWh8T5isXXS1As81LBVfeddbxsAKvD:1U+4yGW2bXXUAz1dVedHFKL

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-1-5-21-873560699-1074803302-2326074425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3636	5016	AcroRd32.exe	75
PID 5016 wrote to memory of 3636	5016	AcroRd32.exe	75
PID 5016 wrote to memory of 3636	5016	AcroRd32.exe	75
PID 5016 wrote to memory of 4848	5016	AcroRd32.exe	76
PID 5016 wrote to memory of 4848	5016	AcroRd32.exe	76
PID 5016 wrote to memory of 4848	5016	AcroRd32.exe	76
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4392	3636	RdrCEF.exe	77
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78
PID 3636 wrote to memory of 4852	3636	RdrCEF.exe	78

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\Graillon-FREE-2.8\Graillon 2 User's Guide.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:5016
- 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:3636
- - 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=DA9A0E450FBC530566F8609DD2FC5B95 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=9AC116FD314D3C912AF0EF43D0B8BBF9 --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=9AC116FD314D3C912AF0EF43D0B8BBF9 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=B6E5D09A3771537B63B8441800D980D3 --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=B6E5D09A3771537B63B8441800D980D3 --renderer-client-id=4 --mojo-platform-channel-handle=2064 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1964
- - 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=B29C7835CAB94D4B13E3EA4E2B2A9376 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=6CFA5E792995DCD6C50BC0971E548E29 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1016
- - 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=1580CB9C2FAB311EE94469820A696BB5 --mojo-platform-channel-handle=2464 --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" --backgroundcolor=16514043
  2⤵
  PID:4848

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
1e6766490635f80386dd34a90ca82d20

SHA1
d153a5941d06ba8eb73694e469f4d94cf314152d

SHA256
a80073d9280a99fa96546ef5fab62066556fcd69569dd68d2c5a55ba388f5ea3

SHA512
055e0026691a6f6eebd99c7d562dc301c8ef82332a7c6a0a3487674019a12b04177be53168db04f069b4b255d3e81ee7d4ed1028ef56b94387fe4b835cb3071b

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit