ec7f0b22654cf41fcb7dd0e6f46b6f8232f1ac7b3be2b2b9b75e8a5e5dcf7b0e

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 09:20

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General

Target

b7120d736467a1b531be06fb9c4f653d.pdf
Size

139KB
MD5

b7120d736467a1b531be06fb9c4f653d
SHA1

bd9fb05b76281355a30b4648d34be08dc59164e4
SHA256

ec7f0b22654cf41fcb7dd0e6f46b6f8232f1ac7b3be2b2b9b75e8a5e5dcf7b0e
SHA512

5d0efaa0b9a13fdc463f240d757abf88876641dc173fece73c8b6a2eba82af3783e371eaa4d88876b7bab091ddc3045beb662bf64313107860c6a443a9f99005
SSDEEP

3072:fOdTtq6oVtgxWq3lVhVM+/MW0q2oBckC34djHFpNlDauSYy:W/NokUwdTUCC34dJpOu8

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 4420	2788	AcroRd32.exe	101
PID 2788 wrote to memory of 4420	2788	AcroRd32.exe	101
PID 2788 wrote to memory of 4420	2788	AcroRd32.exe	101
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 4572	4420	RdrCEF.exe	104
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105
PID 4420 wrote to memory of 976	4420	RdrCEF.exe	105

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\b7120d736467a1b531be06fb9c4f653d.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:2788
- 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:4420
- - 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=C7B4D69E2C25914012731D486CE3B845 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=D76084DC909AB8696729D5F926C5C715 --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=D76084DC909AB8696729D5F926C5C715 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:976
- - 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=25476E0B03263B6FCBC444A266295F6C --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=25476E0B03263B6FCBC444A266295F6C --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3664
- - 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=21EFF7C8F36FBDF61519C712BF2A3A4A --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=C378437DD97B1764560ED4D9C703FB24 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=441B0A6EA06ECE5DC862E11B05B4FB21 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:716

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
664b34b57628956c568b0dd1b4e23ca2

SHA1
0d0b33b54acb196a9a3540654d041b3888af4a91

SHA256
dc7dcc9165e36f1c066913800775ae8ef7ed4f92ee1d255d7bb631dd80a936f2

SHA512
74f20d8fd41c374fe2b8631542128ece39ed90e216292711043cc5eb891389d004e9e82fb85fc84ca85a285384110f4977c2c7573dc4c82643cb9f9ba0c01289

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