766e00ff0996b48d3876c2baf7595dbe0a0d5b5f485a97eaac742d4e457e01fa

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 07:17

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General

Target

76b95e19c4fc40e6e4f4ec8a60fc288e.pdf
Size

85KB
MD5

76b95e19c4fc40e6e4f4ec8a60fc288e
SHA1

fef981ee74c559eb892917a20da96eac4f960cdf
SHA256

766e00ff0996b48d3876c2baf7595dbe0a0d5b5f485a97eaac742d4e457e01fa
SHA512

34475768aeb42f04113cfba6fb737ac194382e92c71d0548149ee92a19141c977319e601763d14d87bed47fddf66f586a74c77ae57f0794cea7e875975696bc1
SSDEEP

1536:m1c6gfKgj+aj5USwkv3KybIhiTZcyGVDjfLt+0GWCpOVixYQeKtLIWKpsX7L4dvl:6c6gfKgVjgqbsATZcFDDb7VixLeAhX74

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 3892	2616	AcroRd32.exe	90
PID 2616 wrote to memory of 3892	2616	AcroRd32.exe	90
PID 2616 wrote to memory of 3892	2616	AcroRd32.exe	90
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3004	3892	RdrCEF.exe	91
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92
PID 3892 wrote to memory of 3852	3892	RdrCEF.exe	92

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\76b95e19c4fc40e6e4f4ec8a60fc288e.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:2616
- 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:3892
- - 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=E5E8283DE0BAC8C353635ACCD940C570 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3004
- - 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=534D6032D945CE9F814F81F4A5CA0202 --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=534D6032D945CE9F814F81F4A5CA0202 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3852
- - 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=4D5C858D4A4F990C19F312B34DF7145C --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=1FE607A503D2DE12F51C6517B44B196B --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=1FE607A503D2DE12F51C6517B44B196B --renderer-client-id=5 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3044
- - 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=077F2D1429FB5C143C8796C1D61E0C86 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4012
- - 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=27A184E175BF7E1A6143E631FED5292B --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1980

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
92246cac1a5ff55ac7fa94006039b471

SHA1
14c99cbf8b3df9364fe660d47032df3a1bd14e4e

SHA256
5baebcf61355caf4a800d9b6f7b027edbeeb17bf1ccea4fba3c64e2eb572a4f0

SHA512
dfe72a0a8378d49b18efedd09e482d90b4705936ab38f2d0de72f05dcf97bcef679179d79b5f2bd45492ab0537fa56b2aa6fd2461efbcd24b8e9a557d86ff651

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