c76f994153d847520aae61c6d3e798e38f7e28fff99543652ad0db5a4cfa78ea

Analysis

max time kernel
145s
max time network
146s
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, 02:35

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General

Target

85b44176e2c757ac4d27e126ed593cac.pdf
Size

63KB
MD5

85b44176e2c757ac4d27e126ed593cac
SHA1

b8912208996397d6101f1aa887096a6303b9886c
SHA256

c76f994153d847520aae61c6d3e798e38f7e28fff99543652ad0db5a4cfa78ea
SHA512

ca480afad66f877fead319c8af1f9b7504e8b9bb4ae7440b30ef4fdf2a8510453b8c0af890c340096dbea974924feb1f87f5e006a5100c850d977f4488bbcb2f
SSDEEP

1536:phQfRZdejg1se7EJWnTQiNRgZKIibYqjPuf9k25f3WD:YT9iAE6dOGqkRD

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3804	2492	AcroRd32.exe	87
PID 2492 wrote to memory of 3804	2492	AcroRd32.exe	87
PID 2492 wrote to memory of 3804	2492	AcroRd32.exe	87
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 1140	3804	RdrCEF.exe	89
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90
PID 3804 wrote to memory of 4908	3804	RdrCEF.exe	90

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\85b44176e2c757ac4d27e126ed593cac.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2492
- 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:3804
- - 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=9D0F36929C4ECD7F4EEABFA7E9611F40 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=64E608462E420A0EF8EBAD6ECB855D60 --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=64E608462E420A0EF8EBAD6ECB855D60 --renderer-client-id=2 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908
- - 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=75CEE3ED6B07334FCCF2BF6AAD282454 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=6965777694352F98D076538EACB22428 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=1BF210533030FF4B701DD6FDC8D73DD5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180

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
278405c1d66d806733366c2382ca9986

SHA1
b6163d179349ec35e50536c66c932fef056244c6

SHA256
967dfd9576a3d615f5c9c8985af1e127a8907aeefd3ea9927b9ce3600756ef8a

SHA512
8fefba147608288fe0c93e09ed82c5a5a55ccae832bdbd3af9a54368b8d16ded07aec6c149fab2cd5a62626942918df5380b9dfef69b3d81b0021c72cf5d74f9

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