038b6be31a986daf9a10376e9f77baac0bf988e54900d570b781d2879ef15429

Analysis

max time kernel
161s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2023, 10:12

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General

Target

MENU NOBEL MAY 2023-Wk 3 and 4.pdf
Size

689KB
MD5

b7bcd87859bdf924b765f060e9b95a70
SHA1

fb49c2616915ccaf421a78e55b0fc54d3d2030af
SHA256

038b6be31a986daf9a10376e9f77baac0bf988e54900d570b781d2879ef15429
SHA512

19a6da4a792f344af8264d996453582cc3420d830fba4846d373e61ba56945cd71afbc8634ee630693e33e2c81eca7ee79a7d7dc09e9451d84a66194cb079db0
SSDEEP

12288:hq7fb8+LWHnY0NdmLt8qhfwZcWIweAsSUOy/HzdOb9Ym8BjiziL:wbwYYwVwXVbVyrdE6bBWz2

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 100	456	AcroRd32.exe	87
PID 456 wrote to memory of 100	456	AcroRd32.exe	87
PID 456 wrote to memory of 100	456	AcroRd32.exe	87
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 4640	100	RdrCEF.exe	88
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89
PID 100 wrote to memory of 3748	100	RdrCEF.exe	89

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\MENU NOBEL MAY 2023-Wk 3 and 4.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:456
- 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:100
- - 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=6664A9F486B1EAA10C77A8B479465ED8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=8EB575E90AC7BA45BCCC99F0B3ABCFB5 --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=2 --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=8EB575E90AC7BA45BCCC99F0B3ABCFB5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=52459C9AB436BDA8D8222999D67233FD --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=2 --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=52459C9AB436BDA8D8222999D67233FD --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=5D112E6E543052C9A05CF08F14E50A34 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904
- - 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=C44E4B1CF711C8AAFE14B875F95B4EC6 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=996F70B41059E59D9175211220285EAF --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3476

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1e14c0fbcceb6b6599a701b14900d63e

SHA1
ce81c5a3e8fe59c53bd0705e193791e6349adf21

SHA256
9390b4bc6e6247353e91e4a54b913b189cd1d9ff7c2882c815ca8331ed2b6b46

SHA512
bea9e4324106c0efc8d5ee14217ea1cd8712cc531819854d5731ca7f88f5b6bfbf528c7e1b1f5b1ac99d2e1f95ebe073762d301032a2f3c054bcf553f5d4c6d0

Download Submit