6ef9b54f90a551ede21ee89061b2b28ee7101d1b232a4e9e656d39495f4fea88

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 01:24

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General

Target

491a0e3e0b114110ebddd1528aed5c65.pdf
Size

74KB
MD5

491a0e3e0b114110ebddd1528aed5c65
SHA1

632d6d0b7bbd5683c9293b0608c91c33c3aa485b
SHA256

6ef9b54f90a551ede21ee89061b2b28ee7101d1b232a4e9e656d39495f4fea88
SHA512

ada5fcda6d0e51eab97e138ec0a9de1e2bcc846d2f59c186e2f11ed78dac7be4cb4b3e8cbfc33381090508d89aa0c50d3abc2b8313ac4d6c90b1a7735213e6e8
SSDEEP

1536:GDmKmvG7kMVMIrP7mEM92aMkyNj4DJT3BcQWersAwlAK:AmKmv9MOIrTjM9fHcyrClAK

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 1776	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 1776	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 1776	5076	AcroRd32.exe	92
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4384	1776	RdrCEF.exe	93
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	RdrCEF.exe	94
PID 1776 wrote to memory of 4176	1776	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\491a0e3e0b114110ebddd1528aed5c65.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5076
- 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:1776
- - 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=2EA32667D9CBD4872FC4A58363937FCD --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4384
- - 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=E171C3BF6934BE764F4F0C933D584FCF --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=E171C3BF6934BE764F4F0C933D584FCF --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4176
- - 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=56A04B5CC358459820E23FC563963A39 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=EEB22B3BEC53753286E157DD6AEB9F41 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820
- - 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=31BB23567C5F9056AE753949DCD6DA19 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400

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
64KB

MD5
9311a3145aa6b3e74f68739135dc4078

SHA1
d94ad78213c2e678f3124f188b26544f3a6eec1d

SHA256
7ae32fdcf597f254f078b7d2608a3652227bf2b4264cc1a18865da047dcdaf99

SHA512
b7ccbf5b286184180b0618f5abfa4f8302439ffb5d718e21c7c2e15f335d89e325ac2309c2d90c1010a4881b149ddd269bed42a5da92a3cef039336a534f17a5

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