d2706a8a2fbc5b1d427ae95367681aa15777e4e99338cb98f95b8ff404b06116

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 22:50

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General

Target

a08ad8796ffedc76040d0b9047898b28.pdf
Size

84KB
MD5

a08ad8796ffedc76040d0b9047898b28
SHA1

c10db025802cbdd473fbf61f3fdc593141831c33
SHA256

d2706a8a2fbc5b1d427ae95367681aa15777e4e99338cb98f95b8ff404b06116
SHA512

f6108f8ea22adb1952c804d41cfd17cfaf4ce75ed0b77c9a8a4c742125ec6f8dd6a919e9bcf7e1207e29c72769cb21534e4cbbdd30944542872ba0b6e9e6b28e
SSDEEP

1536:7Dl4Q7KCZAkAdB2x9ARF5D9tCAwW8pO7aj8JrcFWDlfImn/hDJV:t42PANdB2fsF5D9tb7agJYoIO/J

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe
1892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 1412	1892	AcroRd32.exe	88
PID 1892 wrote to memory of 1412	1892	AcroRd32.exe	88
PID 1892 wrote to memory of 1412	1892	AcroRd32.exe	88
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3180	1412	RdrCEF.exe	89
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90
PID 1412 wrote to memory of 3216	1412	RdrCEF.exe	90

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\a08ad8796ffedc76040d0b9047898b28.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:1892
- 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:1412
- - 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=06997DDFEDA85505498E1B5E0B992238 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180
- - 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=4CE0886A4593D2E302B76B92BB465610 --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=4CE0886A4593D2E302B76B92BB465610 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3216
- - 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=281C9DA875E59C2584B3E5C5D7767B3F --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=281C9DA875E59C2584B3E5C5D7767B3F --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4696
- - 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=6CBB70CFD7F10FA60068BB1D4EA6CE9B --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=C9322C72784225A3F31E48819526818F --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080
- - 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=D576D17373E2744D058FC1E9D777EF39 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1700

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
029e1573d6a451fdcb11dcbb06e10dee

SHA1
6eff23c25805e706c64c0fb5da733d1c80ffe9a5

SHA256
e2f5080c88d2099d55c3dd318ac0ab91edf9635478bf7825c18674b3b41becde

SHA512
8c6dfe7b3655155319cc41ac1d0e20b246c2f7acf36b761d1f8bad18d6801d570fa930fe34e2ec032abe612df8c32ea8e07881837eae031d7be76cf8fe5cdfb6

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