4d25897ac1daf8cab1b9d614eafcdef19b221413b48ac8b3cfc823408b000d9a

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 22:05

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General

Target

b14db6316c0bd07d867544ee378e01b1.pdf
Size

86KB
MD5

b14db6316c0bd07d867544ee378e01b1
SHA1

42d376e8f83733f4193dea6cfaf8b84466633f2d
SHA256

4d25897ac1daf8cab1b9d614eafcdef19b221413b48ac8b3cfc823408b000d9a
SHA512

0cc54773cc751fa220904a777d5f02e612969491f38f562a1955b26c0f40d77a905d4dafc6224aa536aec34ee0e2d136724923a2e709248305f6f0141df52713
SSDEEP

1536:MGOFcNXgbxEHuwbVubqygDiABIMYRRZCZGa7Lnm8RBXt0ISo6WUOHL3HWapOnubz:1LNXexEjQeHBQZCZG21XmIjQnQz

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2072	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe
2072	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3680	2072	AcroRd32.exe	95
PID 2072 wrote to memory of 3680	2072	AcroRd32.exe	95
PID 2072 wrote to memory of 3680	2072	AcroRd32.exe	95
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 2808	3680	RdrCEF.exe	96
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97
PID 3680 wrote to memory of 3644	3680	RdrCEF.exe	97

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\b14db6316c0bd07d867544ee378e01b1.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:2072
- 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:3680
- - 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=75D9371E36B45718AF72126A099CD2B8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808
- - 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=D9CAD3F2CD8A135E39C8040A2E9A15C8 --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=D9CAD3F2CD8A135E39C8040A2E9A15C8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3644
- - 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=E0D2F2AA9C051ABD3AEB1FDC283AD7B0 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:984
- - 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=A39839D1D4DFA3655350C862294B3355 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=8923D5249D243856F33CDA4397F96881 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880
- - 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=08F2FF53C566B8042C443DBB0BDC20D0 --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=08F2FF53C566B8042C443DBB0BDC20D0 --renderer-client-id=7 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2164

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4332

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
cc86296c88b033add39470f51529a379

SHA1
314d246b77595ea1ec3f841b885d0580f846ec0e

SHA256
57a2695b07b9739216bd92ec9d4a2b9e588e22f10032e9b749090ee1110a0cc4

SHA512
765076831c06ee24e340b262f94fe58463c022143246e9aee1bf19c6804126478c244916cdae3ddef01529ddee9447ca80899856b99e21ae4dc6aded3cebdb0d

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/2072-26-0x0000000008CA0000-0x0000000008CF0000-memory.dmp

Filesize
320KB

Download
memory/2072-28-0x0000000008CA0000-0x0000000008CC1000-memory.dmp

Filesize
132KB

Download