3372604e6f4590b2909d1bf89620601dea0ab4cad8db88fd2cba44841827d53e

Analysis

max time kernel
146s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 02:38

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General

Target

b64c8d3d18e3b44f7ad8611debfa02cf.pdf
Size

84KB
MD5

b64c8d3d18e3b44f7ad8611debfa02cf
SHA1

b2b146f91f035f2989e78fb2064006191ec860c6
SHA256

3372604e6f4590b2909d1bf89620601dea0ab4cad8db88fd2cba44841827d53e
SHA512

6e1185be3f2b3619fc578e761edd5356a3a19ddfce0d265a18c4827669ef223a9f8edf461999448966ce5fc9c36466c7b6d12ba0cef034226a6276d73816d666
SSDEEP

1536:Rv6GmGMgmt5pOiGLCnueoxjLYqBPFlcDun0HANWapOtQHWgbRena6Wa0:B6jzp5pNGLDeqBdODoeAStQhenLM

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe
2512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 1168	2512	AcroRd32.exe	91
PID 2512 wrote to memory of 1168	2512	AcroRd32.exe	91
PID 2512 wrote to memory of 1168	2512	AcroRd32.exe	91
PID 2512 wrote to memory of 2348	2512	AcroRd32.exe	95
PID 2512 wrote to memory of 2348	2512	AcroRd32.exe	95
PID 2512 wrote to memory of 2348	2512	AcroRd32.exe	95
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 3472	1168	RdrCEF.exe	97
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98
PID 1168 wrote to memory of 4460	1168	RdrCEF.exe	98

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\b64c8d3d18e3b44f7ad8611debfa02cf.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:2512
- 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:1168
- - 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=19824836F847805223E89F8E5BDFBE6F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3472
- - 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=306E5603B1D0D4018D125C197A660D2E --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=306E5603B1D0D4018D125C197A660D2E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4460
- - 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=3D8EB19694ED2EA3B203C11AD24A4FAC --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=3D8EB19694ED2EA3B203C11AD24A4FAC --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=D18DC228EC658853B844CB224BC554B9 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220
- - 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=305C5E56AA79D1981A9BE469BE7DE254 --mojo-platform-channel-handle=2580 --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=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=80D13049F568A06EFBDB352129FA682B --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2972
- 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:2348

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
77596d4a7311978a98cf51ea5572f5c8

SHA1
ae994582bfe726c9b113b42995d10f1b81b57cd7

SHA256
3690d9fff1a2be6b4672a034eeecb0c3e43246437520b9888c12dea652360f20

SHA512
bbf8939557f19b2f75fc88ddc1c67079c56ff887f90a922585b21ed4e0e04c66cd43b9b5294d141233831b1232027e2c50b242cf60c33c291105795cb40257a8

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