8a50526057de4c4f2d657fe94e16c20b6d9d5d63b3e1f3a005d96adfbb48110c

Analysis

max time kernel
141s
max time network
151s
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, 04:07

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General

Target

b677b10a5c99c4ef4b863b24997ff91c.pdf
Size

105KB
MD5

b677b10a5c99c4ef4b863b24997ff91c
SHA1

b60475a0ecc0b03865a3dc927f3a2032f311848e
SHA256

8a50526057de4c4f2d657fe94e16c20b6d9d5d63b3e1f3a005d96adfbb48110c
SHA512

44ee568e7284c5995f6f63106122dd79fdbdfd4d834c6dc95a4d31f20bf89c7ef5a70770e41203e724403b051d83ad0d6784fbcfa30be0a45057c587561157a5
SSDEEP

3072:rqNIYsvP4Ydq4IcI3WX2LDJZHMNwr3g2cBAQX:r4SZAV3WQJZHfSBB

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 4028	2204	AcroRd32.exe	91
PID 2204 wrote to memory of 4028	2204	AcroRd32.exe	91
PID 2204 wrote to memory of 4028	2204	AcroRd32.exe	91
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1920	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 2176	4028	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\b677b10a5c99c4ef4b863b24997ff91c.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:2204
- 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:4028
- - 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=B2347DFA566CD3826D4DE6D3FA9A5F57 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=E24F3F3E5C9477B211C476D7D67F2929 --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=E24F3F3E5C9477B211C476D7D67F2929 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2176
- - 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=DD1A779D238F5B5D41356C0B78104F32 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=29DC52A6311542D04246179D15CF0B9D --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - 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=C20E98E558A1758D103410BF14EBA9E0 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=CB8A5D233789527EE4401C31089BC1C4 --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=CB8A5D233789527EE4401C31089BC1C4 --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4664

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
413d377030f5bd4bfe8c624b59db26ad

SHA1
14c96a76f18d213b027cff8b708b720bb45256a1

SHA256
e042e4f5cccbb499cf2ec9b2a8b2c37e91a8162c2d64f387cce8ce65e9dff91d

SHA512
7587caed5175f7449d1b1cad5c1f4f44ed311e95bfd92c4575e122951a251fbcd29df7699f75f26fa2b5fc265d92e52d36a5f2de42acc0219e3582508ccd89ca

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