dc0479bb4beb83e36d810006a2be313b3f66c95f60e239503e79f8f185de1c6b

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 15:26

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General

Target

4959570c7546549e317d25b17a30d7f1.pdf
Size

86KB
MD5

4959570c7546549e317d25b17a30d7f1
SHA1

19455fb59288db75029616e002ad4a706dc286ce
SHA256

dc0479bb4beb83e36d810006a2be313b3f66c95f60e239503e79f8f185de1c6b
SHA512

d2c19185b33c1ff044c35b7198f5013ff1678e68655f74c762e552481ccbce3e7587e7d2b32bfdb73b524469e961cb33cd2e4ee7da1da4175ad8e4b7aa9f0657
SSDEEP

1536:Y/REaAfbE7vqVQ3A9z0vfXcxOA7Bkq4N+hyiwHnUCBm1WZkxr7iWxApOGoB0NBSa:TxE7vq0Y0vvYOA7Bk5+hyiw0CB307H3A

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 2952	3328	AcroRd32.exe	91
PID 3328 wrote to memory of 2952	3328	AcroRd32.exe	91
PID 3328 wrote to memory of 2952	3328	AcroRd32.exe	91
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 4244	2952	RdrCEF.exe	92
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93
PID 2952 wrote to memory of 1824	2952	RdrCEF.exe	93

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\4959570c7546549e317d25b17a30d7f1.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2952
- - 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=3A1AA945B7EEC6CD2F026347D3E21AE5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=D143C15AE186848D9B469B8980E1E095 --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=D143C15AE186848D9B469B8980E1E095 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1824
- - 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=F289575AA5DAD0F59A49F2A459C63E49 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:944
- - 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=64EB8839DAC217DE70BD6C4BB9E2401F --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=64EB8839DAC217DE70BD6C4BB9E2401F --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3564
- - 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=0676AED8BB0AAD4438724F1F34C94838 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- - 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=1C5F8DE7B22F5B343DE0472FE46977A7 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4072

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
86850ae8cabfc9b8b359c605908d34f9

SHA1
0822e094da0c7b3249358ba879bfd75409a9ff0a

SHA256
e11a80bdb80836a4278765a64f0c8a2653cb1ee3820d1a52c69192c4aca3afe3

SHA512
4012aa18cf009ea201dc5a702c206acfd669a93958759df48028a01fb837f73d188965b6cae931e870edae9323ad6fbab0848f3e8976f76e2b863e93a8208d2c

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