6a5c76a00bd4f14942466ceb28613c43c03407296654414a0f023d6c58195f8c

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 09:59

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General

Target

5af17a97597c86cccaf207d4922651ba.pdf
Size

89KB
MD5

5af17a97597c86cccaf207d4922651ba
SHA1

8356c43ae4ce1ddc095b72b6178285d0a02fe9c0
SHA256

6a5c76a00bd4f14942466ceb28613c43c03407296654414a0f023d6c58195f8c
SHA512

376e4c37f05ee6b8dcf9b59faa12a00051994066ce6c45b3eff1406cb5b8fab7486cf6e2f221b888df28becd12cfa1334ec4c1dd94be5d9546da236e4d4da6c1
SSDEEP

1536:XieH9c3mI5NTr7fycY/9SluBWQ7aLQo0mXp62FiIOPoXQs2xKZv4UgfglWapOtQ2:Tq317zPYGQQd0ywSir42kZv4UWgatQmr

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1664	2540	AcroRd32.exe	94
PID 2540 wrote to memory of 1664	2540	AcroRd32.exe	94
PID 2540 wrote to memory of 1664	2540	AcroRd32.exe	94
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 628	1664	RdrCEF.exe	95
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96
PID 1664 wrote to memory of 1556	1664	RdrCEF.exe	96

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\5af17a97597c86cccaf207d4922651ba.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:2540
- 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:1664
- - 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=7CA383AA3070950F653634BF8480B55E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=5AA75D82ED283CE6F9B3EAC2DB89A450 --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=5AA75D82ED283CE6F9B3EAC2DB89A450 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1556
- - 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=4D1AED269E86BBAAAE671BA5139A92E9 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=4E73779E9FE95EB75EAF7787E038159D --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=4E73779E9FE95EB75EAF7787E038159D --renderer-client-id=5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3948
- - 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=3F87CDA6459FA0CBC298FC103EC70CBF --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3912
- - 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=808D2538D5A3AC7719B7800FAC363186 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500

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
7f732a06dde042887c3d0edf1b31a995

SHA1
febf9ca37493c46a3ff2d5c92655dff5917cbc94

SHA256
ae28521591b39e552b429e85e612dcf4956847333ba28b12769fa5718e3596f9

SHA512
a9ae5351a0dff2f0d7c5e844683a83ead86af9e5915fc8ee8625ce12212d9bf444c384f5d058df9bad100d68667b3c0e833b7ab7b83d912df5181252544c4005

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