949c6fbd27833c3d240ce336c2d666c55daef90d0e4e9bf63add232dbecf8dbe

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 22:22

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General

Target

1563a68639a7f02f70e19dfe85e7e29c.pdf
Size

96KB
MD5

1563a68639a7f02f70e19dfe85e7e29c
SHA1

81893faeecfe8b3b8ab2ae6f18cd0b8f52378bf7
SHA256

949c6fbd27833c3d240ce336c2d666c55daef90d0e4e9bf63add232dbecf8dbe
SHA512

9cc4dbdb6113430be122dc093a69f4107aa27526abd15aa7b42d6dff55fde1983996ec94bfa16f6dc3491997044d799c36cca61e442a657cbc13a2732628f41e
SSDEEP

3072:YRsH5eOvYMSVrnPa+FEOli/XfI3Hv8CkRC:YO0OvYMOrSei/XSvH

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 2780	4392	AcroRd32.exe	92
PID 4392 wrote to memory of 2780	4392	AcroRd32.exe	92
PID 4392 wrote to memory of 2780	4392	AcroRd32.exe	92
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 1552	2780	RdrCEF.exe	93
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94
PID 2780 wrote to memory of 388	2780	RdrCEF.exe	94

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\1563a68639a7f02f70e19dfe85e7e29c.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2780
- - 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=754E38410D11FCA76D82546BE72BB832 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - 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=F9C35C86992C113807A5ADA6C8A7D294 --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=F9C35C86992C113807A5ADA6C8A7D294 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:388
- - 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=E0B353CA27D401AC0E05F343E1A6627D --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=305B16F3CB6283E41646F1A366CDD80A --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - 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=5EA8B9535EF476C67D8F9E01F0A5BE8E --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=5EA8B9535EF476C67D8F9E01F0A5BE8E --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:844
- - 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=989DD30D58DB95FE27CC7F73319AD654 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2060

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
b20a49f0d129589a468c71b943bbf88f

SHA1
394df422e3fd0903902146d33fa4ece9e063a76f

SHA256
a5bb99e41fa0b745ec11dfddbec34fa1b8d687ea7eb186c3b1a00a76ec8ff77f

SHA512
8ca91f6e2074e547aeb059c7db208267fbb1ad6958249b65abf663470e35b6f56f52e9ab880d9fa0b03f242139b613eb2e75376b9f2e1588ed92d0f38c8041d5

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