a900f2f0913d9a028bd5d3b6ea6454e2234c9b65a5f6f6cdb160e19691609d79

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:43

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General

Target

376513bce9c85f409bbdd95a314c7c06.pdf
Size

82KB
MD5

376513bce9c85f409bbdd95a314c7c06
SHA1

5b3d9790a56ffe21cf044363a39011995af3596f
SHA256

a900f2f0913d9a028bd5d3b6ea6454e2234c9b65a5f6f6cdb160e19691609d79
SHA512

6d3cc2e794b7e7e8698985fc4bb0c4aad0a08cf9334cbbe7b383a7dfe9b95c442a82eeb45d52a16760947d3d7dbf0d41a257672e1539892f7f60629b2a2d2b28
SSDEEP

1536:BYRl9QYUS5M5uHR8nnaJlSiervXNJQLnv09Op6W58KHkhWspO211N:mmYDMs8aJ8ierrQLv0op8KEQ2V

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 4620	2780	AcroRd32.exe	94
PID 2780 wrote to memory of 4620	2780	AcroRd32.exe	94
PID 2780 wrote to memory of 4620	2780	AcroRd32.exe	94
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2164	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96
PID 4620 wrote to memory of 2136	4620	RdrCEF.exe	96

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\376513bce9c85f409bbdd95a314c7c06.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:2780
- 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:4620
- - 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=DB5DA1AA60BAEC8060C28D0658CA5E3A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164
- - 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=39FB57BB5A4AC1B4AAEF77FAC898C747 --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=39FB57BB5A4AC1B4AAEF77FAC898C747 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2136
- - 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=0ED536E9B468A42E0C107D15016E1D09 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2544
- - 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=FDFFABB326EFFD75EBCB7CEB91C785D9 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=EB07D0D855584D99039C664313B6258F --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=EB07D0D855584D99039C664313B6258F --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2232
- - 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=72015592A304B085144894CF6A27862D --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
7f5e36a406c26952e5efc957595b73b0

SHA1
d12b41a4257d36fd120cc9220ecc523648faf6b3

SHA256
4d6a4b5f0c5f3d16db5e0819326dce70e42339bc9367591d00eccb4c4f4ec409

SHA512
107380a5713bfdccbb3e7e1060a2ccdb8620b3a23a58b07f891662dc05c08fff0fb4bb0c0aabdda49c34e3517200b0624e81497ca44458d72f113b6d8ab71394

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