12690035ac2fd9350d082f3ba4c37f952b1a6ed63822927afdf24b3b2133b384

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 10:06

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General

Target

8ee000b216d29d2d5d7000c8d37a3565.pdf
Size

84KB
MD5

8ee000b216d29d2d5d7000c8d37a3565
SHA1

1afada249852187022db9ae1ff2fa18a788ad83c
SHA256

12690035ac2fd9350d082f3ba4c37f952b1a6ed63822927afdf24b3b2133b384
SHA512

7daaaf3c2ea2301aceeb927b220838878ad67c79353a135549ccc4301bcbaab7fbdfd1b70704e08b8ee619c80ba7dc2d77eb85ad71a8530405ba269623ec32f0
SSDEEP

1536:eeZoYjgmgwlpmx09bV/x7zWiSO8b7rE91+QoNGluXWxFYo1JtUW8pO+dwr:RRXxlpZ3iiSVbnvlYFF1Jtv+K

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe
3688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 916	3688	AcroRd32.exe	91
PID 3688 wrote to memory of 916	3688	AcroRd32.exe	91
PID 3688 wrote to memory of 916	3688	AcroRd32.exe	91
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 4548	916	RdrCEF.exe	92
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93
PID 916 wrote to memory of 3560	916	RdrCEF.exe	93

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\8ee000b216d29d2d5d7000c8d37a3565.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:3688
- 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:916
- - 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=2814073A3406499FDC650E2533B9A475 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=82A76E23AA4924E7B3591B8135485089 --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=82A76E23AA4924E7B3591B8135485089 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3560
- - 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=CFE91008DEAFBCA4CB1B67006454F100 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=E82B791B9451D4999E7488CA81940422 --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=E82B791B9451D4999E7488CA81940422 --renderer-client-id=5 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4192
- - 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=493D1F9E440D3270116660A83AE25BBB --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220
- - 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=7C93A36741A583CED50D93C25091B0CF --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2132

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
402a9b3280c83a0f2e0bda7c6dcc935a

SHA1
9ff9924c04dd4d7a871b8d2a0a8bb4540c066a3a

SHA256
a0e88cdb968416f895a68e74d3c3a5a1ddc7ae5eefba91d682dc3b8a713584fb

SHA512
ccb3dfc9e78af3cd5bb466ebc2fcda2ab9c698d5e461ad84d297ef2be956889991ad9f0110564d2a9d5ef8c21959cfb6a6189ee90e9745110f54e3fc3ef86af1

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