547e9d1ed3269122d82b11e82348ee1c7dbff2be28acb3906fe0fd2f020a41e9

Analysis

max time kernel
162s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:30

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General

Target

f1a17aa4247cdee803a2f7def91ca2d3.pdf
Size

38KB
MD5

f1a17aa4247cdee803a2f7def91ca2d3
SHA1

765b0fc5711fa4e7bf772088cef7400224278af7
SHA256

547e9d1ed3269122d82b11e82348ee1c7dbff2be28acb3906fe0fd2f020a41e9
SHA512

fa4ce843b50fd7f01adae3776e45b621dd0d08b218332e80c124387b8da42e5ae9ed8f6b6506bfb9f9ea7eba622c7259e0f3c35961d01e5234fdabf52ab69661
SSDEEP

768:8s2WIgo5ysE/V48a7ytghmSR9HrLsR9qoax2PVAyyJ7s1i+aIT:8s2WIp4KytgI49HPsLEeAym7sUnIT

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 5008	532	AcroRd32.exe	91
PID 532 wrote to memory of 5008	532	AcroRd32.exe	91
PID 532 wrote to memory of 5008	532	AcroRd32.exe	91
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 1592	5008	RdrCEF.exe	94
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95
PID 5008 wrote to memory of 2968	5008	RdrCEF.exe	95

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\f1a17aa4247cdee803a2f7def91ca2d3.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:532
- 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:5008
- - 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=CDF68154132F43E873AD1D4D620B76D8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=233FCD331047FFAF67C8B8DA715336D4 --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=233FCD331047FFAF67C8B8DA715336D4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2968
- - 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=80E209621104D952CF40FFAD19109743 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592
- - 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=EDE7F6F8B98DD335F2FC7ACAA33839D9 --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=EDE7F6F8B98DD335F2FC7ACAA33839D9 --renderer-client-id=5 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - 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=C2FEF793B19A4828C79A1A3ABFA4D55E --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=F8ED07AC14648F5D173E54B4EB2F5FFB --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:880

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
1c95dbae989ed42f3187e53b6f328112

SHA1
e0fb5ee8027b7ed9628edc81e23bd37ac927330c

SHA256
4526009eadd5a9aa40ac05871f5cb4f575f5019a3f4773dfeaeeb9f9b92f79a8

SHA512
6aa8e3f1dfe96699e1abb81739542b028d9e6c7d14afca877bcb138c0105cb025ea5ba430120942b1906e218c6b7cedb6ea4664ffe133cdb6754504035cfe06d

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