d83ea0865bf2b4030dc0a675c18a754956cbb8e04033d64dee7c28c1f1d54a2a

Analysis

max time kernel
176s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:41

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General

Target

f6fd3d022529d1e7eaf7910dd78e85c5.pdf
Size

34KB
MD5

f6fd3d022529d1e7eaf7910dd78e85c5
SHA1

c5efe13860ff3627424fbfe649918221eeba29bc
SHA256

d83ea0865bf2b4030dc0a675c18a754956cbb8e04033d64dee7c28c1f1d54a2a
SHA512

9002eb4f4f490fab1d26db44fa1c4a8f980abdf512b90ad9f2883328a64b4cbbf700004e5de25794da27e9eb869ba81eb9914bd056c0061a6ee6e3051b521215
SSDEEP

768:YhfAste04/sFaFGXaVRfLf6JN1Ouyh3emvdOf4SS1ok:6NtmBtSN1Vi3td1SS1ok

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 2604	3504	AcroRd32.exe	95
PID 3504 wrote to memory of 2604	3504	AcroRd32.exe	95
PID 3504 wrote to memory of 2604	3504	AcroRd32.exe	95
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 860	2604	RdrCEF.exe	97
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98
PID 2604 wrote to memory of 4544	2604	RdrCEF.exe	98

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\f6fd3d022529d1e7eaf7910dd78e85c5.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:3504
- 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:2604
- - 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=7A05F9BEAB02A48176836E89AD987C8D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:860
- - 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=16D0BD84BB0D2A260A12BDD20727C29B --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=16D0BD84BB0D2A260A12BDD20727C29B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4544
- - 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=4FC26026CBF9F2605EF3AA700A8A1869 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=CE46192D28981326E9CA259448CB7A87 --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=CE46192D28981326E9CA259448CB7A87 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    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=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=1826140DB8963B94369A15279B39F8E6 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2280
- - 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=AB0CF9464F2DC257AA37D815EAA8882D --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536

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
6423a970df308de9053fd83da5e664fa

SHA1
b50afb5996f65a7d7e24595ab05f8563d55e0cd8

SHA256
784313e6b0da1a12ceb457d4dd8f13f41e759d5717a9e174da5527f8e7945cf3

SHA512
d532dd389ba7055160b34b2eea0360e22c33619d93777561be1e964f4752fd535e07c1bb95cd05216356cb4f6f4b2e2f647a8e07825701a7c7039c6eae926236

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