40a942897f110b838457e8509a1bc9efaafdd135fcacfc7fba5b19aaec6dc8c6

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 03:12

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General

Target

85c62441226b1a58a8434cb36ae462d6.pdf
Size

24KB
MD5

85c62441226b1a58a8434cb36ae462d6
SHA1

8a39533f854d9b468ef466aacbe5e012aa3bb634
SHA256

40a942897f110b838457e8509a1bc9efaafdd135fcacfc7fba5b19aaec6dc8c6
SHA512

515fe0acf54cbe0e347b766c9a4e5a9f521577d411adfec4558d40ff43bc5c790c6ddb3d05582345f49e44bd521f8e4ee45aae485834569f0d2e9d34996dd8fc
SSDEEP

192:WysNAbl6yJyRYy6mxUeW+ijb3D8HA49NP4X+:WysNi6yJyRYy6m049NP4X+

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2732	2832	AcroRd32.exe	89
PID 2832 wrote to memory of 2732	2832	AcroRd32.exe	89
PID 2832 wrote to memory of 2732	2832	AcroRd32.exe	89
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 2880	2732	RdrCEF.exe	90
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91
PID 2732 wrote to memory of 3152	2732	RdrCEF.exe	91

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\85c62441226b1a58a8434cb36ae462d6.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:2832
- 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:2732
- - 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=108D394AFC8ED7B5A45E18071552C145 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=F8619EFAC781D391378003AF8EA73F9D --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=F8619EFAC781D391378003AF8EA73F9D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3152
- - 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=BDFADC4BC022EC3C13AD93EF69B358A5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=2AC4D6A25E9B44860A1E8E667B5B18D1 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=42C998B857990ACD8E6D5797549B710E --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=42C998B857990ACD8E6D5797549B710E --renderer-client-id=6 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3136
- - 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=08935217FB4C47021D50A487D37B748A --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:228

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
2d257c0bdcb6cca8a1e6210cf0a67070

SHA1
6226c5465d43766c45a754b7aa2ada6841bd18e2

SHA256
131503513e00a135766052b26791e3dcc742441a1c02590bcd6d16e7e9f2136b

SHA512
a44f6b524c89ebbbb67fcd7ea719b14d3b3610bb7d9894821b025cab67c82ddac80822b7b733371910d56098a11b338a8ed84ac48bc97dcf73b4418cd8b1dfb1

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