d310413cae83cd4e6d1e2dfab2a5ed6ad5463c48c407d85f590a3c1184305aaf

Analysis

max time kernel
176s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:30

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General

Target

3819ad3cb63a0a79b32224bbb4e7a74f.pdf
Size

86KB
MD5

3819ad3cb63a0a79b32224bbb4e7a74f
SHA1

a8918569d7d5d8ccf24252e93b0e00f1d932b47b
SHA256

d310413cae83cd4e6d1e2dfab2a5ed6ad5463c48c407d85f590a3c1184305aaf
SHA512

52022e513aa29be7ddd0dae4f5f415a65a11f0cda91311ef439d1a342d0f8bb16c85d9340b103b404c4fde7c94beb9e8fa408112be1a19358cb05d434eafefc3
SSDEEP

1536:9PBzy+5pqsLwvGSvkDa7lyFg0/F9KVX+BuxiIt9tNkbq+PcKLe5YRqWhzrvoWxAG:Nxg6weSc5N9KVX+4xiY9tNkbcKL5RqWN

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe
5044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 3828	5044	AcroRd32.exe	94
PID 5044 wrote to memory of 3828	5044	AcroRd32.exe	94
PID 5044 wrote to memory of 3828	5044	AcroRd32.exe	94
PID 5044 wrote to memory of 868	5044	AcroRd32.exe	97
PID 5044 wrote to memory of 868	5044	AcroRd32.exe	97
PID 5044 wrote to memory of 868	5044	AcroRd32.exe	97
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 2780	3828	RdrCEF.exe	108
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99
PID 3828 wrote to memory of 1196	3828	RdrCEF.exe	99

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\3819ad3cb63a0a79b32224bbb4e7a74f.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:5044
- 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:3828
- - 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=EE2A8A9FB29C25EC68B6642A035EBCDA --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=BA942CF62199D081F339DA7AE5F723C4 --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=BA942CF62199D081F339DA7AE5F723C4 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1196
- - 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=2289CFA4A952C8D974EEA1B8D23DF1EE --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=2289CFA4A952C8D974EEA1B8D23DF1EE --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=1E10DBFFBAA5F31B938BE071E3962CBB --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1224
- - 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=367D1D5413AFC12C38FCCA9837AA4CDE --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=273802F9E29C75D83F1E95C7EF842E47 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- 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⤵
  PID:868

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
1⤵
PID:2780

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
1⤵
PID:3776

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
62KB

MD5
399448fb4a248adbef64e630cfe01281

SHA1
6ad69b1869227145e2182eba61624fac8e83d31d

SHA256
60f340986a09603a6f38ac2fd982423ec0425acf3e81e429dffdf0328f5c49ea

SHA512
26963a7b21b6429e2d67c98caee86af529f5e840ac1090fca2f5bd9a88966e002cc71be4925a858d718ccff336ecb45206f4159da805019a930d29be71c2d6be

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

Filesize
23KB

MD5
3ec2c7273efae89f7b7a4abd64b44f2a

SHA1
51f26506a2bcbf1424c8d3ad4823a75c3f09e803

SHA256
a5d34412fff61390fd0b6872da10a381c5392fbea24f7a7720be319d1334de37

SHA512
1eff76840d8c907ee42f09240dc8aa636ca4dcf7d6cfd7c939111f6ef16952f5bd4b9f54002a433730716b4f12f780b2e8d7c4e4d405473ad35361c82ae8f097

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit