f084591638e472dc244465ee41a298c3be0a3e7e6b98ca83c184b938561ef5e2

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 22:16

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General

Target

fc323e2a43bb397836ce1fc22a735016.pdf
Size

14KB
MD5

fc323e2a43bb397836ce1fc22a735016
SHA1

02dbcdaeba8daad02d166fd9102bcdd39ff11747
SHA256

f084591638e472dc244465ee41a298c3be0a3e7e6b98ca83c184b938561ef5e2
SHA512

eb219bc9ec2a3654a318c20909ec1562a914381941f4b20b73d6f70b2f6c01b25f782ef59c51f8967bf9bf3eda9910e73ea5c5cd2b19e9d42648ab31ad3820e9
SSDEEP

384:5sFlS3K6XgKV7cAgdOpW+0/7Pf3DzYLTXuq8yj+2:tgGzpDAPf3P0Xdo2

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 4016	684	AcroRd32.exe	93
PID 684 wrote to memory of 4016	684	AcroRd32.exe	93
PID 684 wrote to memory of 4016	684	AcroRd32.exe	93
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 3960	4016	RdrCEF.exe	95
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94
PID 4016 wrote to memory of 2920	4016	RdrCEF.exe	94

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\fc323e2a43bb397836ce1fc22a735016.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:684
- 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:4016
- - 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=356F7D20DFABE5BB90367BA6143EC7F2 --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=356F7D20DFABE5BB90367BA6143EC7F2 --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2920
- - 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=B9F89D08A9F0794D71EC5FD935B016BA --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=67195945FD9C1C882251500830B40B05 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=6504031D69E749D64850B7B73562F921 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=9BC031A1D065AE3C81323E10710CD773 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3984

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

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