b97ca0a5b95aa7b7cb1107b8ae3fb0850e2e36107772ea7b1f145cb3ec9064e7

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:17

Sharing

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General

Target

1b2a5aaf7dff31dd1b2da3e8eb969cd9.pdf
Size

45KB
MD5

1b2a5aaf7dff31dd1b2da3e8eb969cd9
SHA1

90f4ee6fedee7024fc3a36006dbb702db4229f29
SHA256

b97ca0a5b95aa7b7cb1107b8ae3fb0850e2e36107772ea7b1f145cb3ec9064e7
SHA512

4262c98bbcc825c78adc8f52c43a808b7fedb0d4ac9920f130a590ba859d4aaebe20576d596ff4599c7b118e27cb4abb6c7875b37618bdda5657665d43121e9f
SSDEEP

768:FIAgr/7t5s/baWKYPMUrlvjzq84gNkwVE/k/jsxyLyiulh:FJW/7t6xnAv0/rsxyalh

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4908	4772	AcroRd32.exe	98
PID 4772 wrote to memory of 4908	4772	AcroRd32.exe	98
PID 4772 wrote to memory of 4908	4772	AcroRd32.exe	98
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 1880	4908	RdrCEF.exe	101
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102
PID 4908 wrote to memory of 3780	4908	RdrCEF.exe	102

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\1b2a5aaf7dff31dd1b2da3e8eb969cd9.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:4772
- 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:4908
- - 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=5A0CC5D46E6075FAFC96E78BF61B4F68 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1880
- - 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=EE7F3F85CEC70BBA0C1DE936FF2A9810 --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=EE7F3F85CEC70BBA0C1DE936FF2A9810 --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3780
- - 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=3DD7598DB14FCFA8DFC74183827C73C8 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=B6709833F103595D2E592B6914D626E3 --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=B6709833F103595D2E592B6914D626E3 --renderer-client-id=5 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1008
- - 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=E1F18DED39EDE56BF894DDB43894BCFC --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300
- - 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=0644E053D896D2912C440D78C9C456FE --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:644

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
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