397df4ffa0e830cb83ab5d3346abff7b1fa22803d5ec2f2bde83acfb44a92d8d

Analysis

max time kernel
159s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 01:50

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General

Target

55299644200c4b3f048e2f94dcb5d8b8.pdf
Size

34KB
MD5

55299644200c4b3f048e2f94dcb5d8b8
SHA1

6a15b4fc5d7f01781eeec338f5529c02ce8d0ea0
SHA256

397df4ffa0e830cb83ab5d3346abff7b1fa22803d5ec2f2bde83acfb44a92d8d
SHA512

904180a1458ab4a83462263700838895af2564f2a9b5e898324dcffaab47b332ac52f6d4da705461e2d70b186985a4c2a709843a7e31a2890b1896769b40ab46
SSDEEP

768:fiI1ZbvS0wxbB/hUb4LQFmlIYQUDMGJYkW0z5mpR:aI1jwxbB/5LQM2REzUpR

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 3800	1960	AcroRd32.exe	96
PID 1960 wrote to memory of 3800	1960	AcroRd32.exe	96
PID 1960 wrote to memory of 3800	1960	AcroRd32.exe	96
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3140	3800	RdrCEF.exe	97
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 3408	3800	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\55299644200c4b3f048e2f94dcb5d8b8.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:1960
- 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:3800
- - 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=BC6AD807EE1404EC6AB24E0F189154B4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3140
- - 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=A5B5059076572731FA22A06B0743059D --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=A5B5059076572731FA22A06B0743059D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3408
- - 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=FEE51A211EC9D9726C43DD10593DA851 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=8D4CEFA9761231DC882C389C6E3CA1D9 --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=8D4CEFA9761231DC882C389C6E3CA1D9 --renderer-client-id=5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=87DD98AB1C620C1B48A2E22A4E2FED59 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972
- - 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=BCDDCEADAA7DB3EECD5694B58071900C --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1392

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
f5a5dd3773171e21b3943af59cbda657

SHA1
ace01377934ecde0486102da7c1c989dfbef6584

SHA256
e1d27de348a7e42fb04fe4854450910375d0dfd060cfd29ef528279b5f1bcd37

SHA512
a10e2dfdb8b5fde657bebfc73110be358f144748b41cae4fe8616ea4aa1749824f9de4968cab648c1504d037d256a6aea6f86928c815c765a7c59b87836318ee

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