8ca00dc1a57db0f9697e0b45292b86b2d3d0454196ea7cac65e76ff429c6fd4a

Analysis

max time kernel
41s
max time network
20s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
06/05/2024, 23:14

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General

Target

hands-on-virtual-computing-9781337101936-1337101931_compress.pdf
Size

27.7MB
MD5

69f86fcc85a949308c3e784e80d09a05
SHA1

36cae838be3a44d4c0a69a5554564d40b57a1123
SHA256

8ca00dc1a57db0f9697e0b45292b86b2d3d0454196ea7cac65e76ff429c6fd4a
SHA512

5d9d60d2129cc0bbcb1b6cd0ec266a494f8c43561ec9201ccc6fcf78f568621a86d452d8a7026d553199ae3ee58edb187ef9890a35a157b992cfdde7f28a48d3
SSDEEP

393216:JhBMHuvErBWo+neeYzEwXXX9aXKLn4IyFECeCeef4OsRWL4z5jHFjD3+g6owfff7:v2Ovve7XXX9aek4bd5sWRExBy6

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-1-5-21-2878097196-921257239-309638238-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4224	464	AcroRd32.exe	80
PID 464 wrote to memory of 4224	464	AcroRd32.exe	80
PID 464 wrote to memory of 4224	464	AcroRd32.exe	80
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2884	4224	RdrCEF.exe	81
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82
PID 4224 wrote to memory of 2768	4224	RdrCEF.exe	82

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\hands-on-virtual-computing-9781337101936-1337101931_compress.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:464
- 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:4224
- - 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=E1FCC572989D55C19B900ABCBECF9CD2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2884
- - 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=8A41006179A8D2F452ADA9A9169CBAB2 --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=8A41006179A8D2F452ADA9A9169CBAB2 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2768
- - 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=57CC4747AB24A4381DAF4638D6FFEEDB --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=F431873C5A8BB6C558A68F5A5099784A --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=F431873C5A8BB6C558A68F5A5099784A --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=6CA94D23CD6AC64C8AF2CC5A14583145 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940
- - 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=351BED146500E815F6891DC7B0FBFD12 --mojo-platform-channel-handle=2876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8

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
3c455eb4918412c74bfa381dd013e61c

SHA1
2fec96df037806b64023911a9509ee5d470ad069

SHA256
20cb490d353fec4d8646b021f20577189baa8cd85958c711ddea8e36a874b835

SHA512
95ac328304a9024f82cf86b34bbe54493f516e0adb66a9189ed0544c6478d7cc1624f733e5a3d3c1ccb07b1dfd4c1b8d1de929738beeb478af78bbc2979ce747

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/464-125-0x0000000011D40000-0x0000000011E8D000-memory.dmp

Filesize
1.3MB

Download
memory/464-127-0x0000000011D40000-0x0000000011FEB000-memory.dmp

Filesize
2.7MB

Download