66f18ba349b516370cc0e810a5b0ee66077d03858d986d54b8027246de753c6f

Analysis

max time kernel
150s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2024, 02:30

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General

Target

5be6a40a16e5ee752a3e13762a2ac215.pdf
Size

12KB
MD5

5be6a40a16e5ee752a3e13762a2ac215
SHA1

262516dc243bde320e6182cc6d9fbf029aa893c5
SHA256

66f18ba349b516370cc0e810a5b0ee66077d03858d986d54b8027246de753c6f
SHA512

eb0de2d5648ce1d37314ebc0ecf49e640d00d0831488efd4d4fce7213bba7f3b14cabf71abca1afcefadf0cf2e712c80a9777fe33425e0f76eb9b67708d43832
SSDEEP

384:bONbedw+lJ5G5WwZ7cmMPP5lvnummmmmmmmmmmmmmmm9J6SuSev0jBl3:IFWBDv4cSa0jBV

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe
716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 1712	716	AcroRd32.exe	90
PID 716 wrote to memory of 1712	716	AcroRd32.exe	90
PID 716 wrote to memory of 1712	716	AcroRd32.exe	90
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 4092	1712	RdrCEF.exe	93
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	RdrCEF.exe	94
PID 1712 wrote to memory of 2336	1712	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\5be6a40a16e5ee752a3e13762a2ac215.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:716
- 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:1712
- - 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=F919FA5AA1876C5F5353B3DFA8A70000 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=D7EF1547FBFC83F3277A15BADB764655 --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=D7EF1547FBFC83F3277A15BADB764655 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2336
- - 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=81D9DD0BA644C9683C1E7CD745D955C1 --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=81D9DD0BA644C9683C1E7CD745D955C1 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:552
- - 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=E034606BDDBDFA9DB7600DD8C25A79E7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=79691F15D31D82440D20D0621BC58B75 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=59AADD18FF78BFE7E1BE55761F2AD6E4 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3284

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
de9270dac7f8cb71b5bb2c43d044ce35

SHA1
957de75c71c9cbe8bc81b5ff904948d29e04a0db

SHA256
848ea517be550eed0b93d27be79fad9a02fa6546b845c53eccd91df4e80608d9

SHA512
ca6212119c5c6ffc00b6bcdbac373fe75a3d333ac75dacd86c37dcf84ab8d007a45b378226713dd9f82ac3c02be0d10ac3b1babc01e3cd086f667f5eed173113

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/716-135-0x000000000A600000-0x000000000A74D000-memory.dmp

Filesize
1.3MB

Download