55f1f24b911261982b0c9486a09113afed87846b0a6dd22eb08f812935807752

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 04:23

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General

Target

79442542eb39357efbac4785339abf40.pdf
Size

87KB
MD5

79442542eb39357efbac4785339abf40
SHA1

2227d700e27d0d311cde06218cfd748837907af3
SHA256

55f1f24b911261982b0c9486a09113afed87846b0a6dd22eb08f812935807752
SHA512

d7205422acdcd4cf3db0e6e4780958423b7048a8343627af819845ed3e01c7e79ce68782ee579e986c9c5db0edcd9b05ae912d340de94929b20929e7b1d4b423
SSDEEP

1536:xj4HSjrWYjp6WxmBW9n+BJWv6D87TKWzeNWQtawEEiWQpOCbLo:VCSjaIsC+BJWLHHzentawEEFC4

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
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 1856	4076	AcroRd32.exe	92
PID 4076 wrote to memory of 1856	4076	AcroRd32.exe	92
PID 4076 wrote to memory of 1856	4076	AcroRd32.exe	92
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 872	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	RdrCEF.exe	94
PID 1856 wrote to memory of 2500	1856	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\79442542eb39357efbac4785339abf40.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:4076
- 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:1856
- - 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=210A932506792E8D1B40D51C1174E843 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:872
- - 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=8FB907BA4749370A8C92FAE66014CC39 --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=8FB907BA4749370A8C92FAE66014CC39 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2500
- - 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=FEA103F5799E19D0A5C5AC57E2994321 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=241DF10A9E95906FB0C0F25122D03A7D --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=5C819A53821DC75AC5683D841929105B --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=5C819A53821DC75AC5683D841929105B --renderer-client-id=6 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3488
- - 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=7A9C968DD521FE511332E4BBD0039D75 --mojo-platform-channel-handle=2628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4756

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
45740f85761ed0aa915a636ce8d7a669

SHA1
41f6a3fdd640574468edf346ed0bb120951299b8

SHA256
1fb51b1fa3cf99e738e2b898d79dd9874df2c1c28a29e5783e43f50242ea92f0

SHA512
f22c5dbe96bdd6ca2cdba1cce410f2b7413416b59bc28cc2f639da34eed31994fdcb6ce2773b3d34b0851e2b12ecc2f5dbfda7207c9a597c8fe20fa6348d937d

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