90ed9373a1275c1be50be1ff96148d327569da4567c01f750f72f36ebe9e7dda

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-04-2024 08:53

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General

Target

AR 1430223.pdf
Size

213KB
MD5

e38a1adbf8064b9e37882c846041fbcc
SHA1

315c655021b047466ead3fc1c398b00883967562
SHA256

90ed9373a1275c1be50be1ff96148d327569da4567c01f750f72f36ebe9e7dda
SHA512

cbb413f8fb6c149dba763803bb9bf3a7915f305d460d08ab661b831d53c611585cc08b4893caa3411940494bfe979b02b8fb4c45d2ef239bc253ff418e31b97d
SSDEEP

3072:VYrJr53laL843rdQjCn92oKXwF6sw/8wqvFoC/Tr457E7S/JVeDPpMk8pdGhmM1k:VYrJrdfKCoKXTUztoCA7EuhUT8yQF

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe
2064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 3756	2064	AcroRd32.exe	93
PID 2064 wrote to memory of 3756	2064	AcroRd32.exe	93
PID 2064 wrote to memory of 3756	2064	AcroRd32.exe	93
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 4992	3756	RdrCEF.exe	94
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95
PID 3756 wrote to memory of 3560	3756	RdrCEF.exe	95

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\AR 1430223.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:2064
- 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:3756
- - 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=E3F965569F4CB028BCC9689CF8397856 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=3ADBAFAFAEFBF77DAABF1BC0F964F9FD --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=3ADBAFAFAEFBF77DAABF1BC0F964F9FD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3560
- - 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=BE328847850B184B5F23C455856F2D98 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=D0A7E236F5CAB8E282526582D57B9C22 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=39C3AA9B7DCED786DABD0579763F9814 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=71935B1D1FEBBA1CFF5C8F84AE703CF0 --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=71935B1D1FEBBA1CFF5C8F84AE703CF0 --renderer-client-id=7 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4940

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
d5eb0bd182c8e12fbf1482d504c520c5

SHA1
9d19b3413ad0cdc6b769ec7747a4349f2e221553

SHA256
a4a152435b9217c8f1e98e0fbeebd4cd3607f323b1afbf665ba0f5f540cfb085

SHA512
1c3b78cccf00d5212b52a903a779b7fec176b65fbe3db8da227ccff49dc99bd06419bef3832da768f78e4aa2473e7687dd98cc1216c3cc6a7e1c95d97f0b7ddb

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
memory/2064-26-0x000000000AFF0000-0x000000000B011000-memory.dmp

Filesize
132KB

Download