841a75dab9dddfc31f05373f889326a544f8676ff0e3755a194f493d0741a83a

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
18/01/2024, 20:43

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General

Target

65fdb033c02c56f42d8ecba0ae93f3f7.pdf
Size

90KB
MD5

65fdb033c02c56f42d8ecba0ae93f3f7
SHA1

89a9a30eed6a68c7c2bbaeaf6dfbc86e6ca2f00d
SHA256

841a75dab9dddfc31f05373f889326a544f8676ff0e3755a194f493d0741a83a
SHA512

db2988bfbb08bc9daa65a827902362ef58a31fb8deb36c6c187695a4093d3fb8eb55d1e1eddd701aee93fb1372d4f72f32b13d062f9e54ff066df20a2238535d
SSDEEP

1536:6qhLheK6N9GUMTCXb/SoEWunGWSW9HSk+YqHoAMouMAVhzT+qFWol2gqnnqGkeyi:VbebjGDi/SovOGKqHoAM8qBhvBSqGkeP

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2328	1740	AcroRd32.exe	98
PID 1740 wrote to memory of 2328	1740	AcroRd32.exe	98
PID 1740 wrote to memory of 2328	1740	AcroRd32.exe	98
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 4364	2328	RdrCEF.exe	100
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101
PID 2328 wrote to memory of 3700	2328	RdrCEF.exe	101

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\65fdb033c02c56f42d8ecba0ae93f3f7.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:1740
- 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:2328
- - 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=86C13EFA93D35755456ACF798D700EE2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364
- - 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=C4816637366144C4C4BF419781E65DBB --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=C4816637366144C4C4BF419781E65DBB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3700
- - 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=A5AEBB5DBF0ED4877A08D90F8C976FED --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=9AAC1415370AF41D46EF142F4BAE2589 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596
- - 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=EA9BC02A84875E5EDB8B338D2ED004CE --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=EA9BC02A84875E5EDB8B338D2ED004CE --renderer-client-id=6 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2076
- - 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=FEBFCAF19B971EA123DCACCE95027D84 --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:724

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
a70abbd5248631a707457c1db2e3a866

SHA1
9a2876c96928f2cdee7c57a703b865c8bac940a6

SHA256
25ed7f666d53e2c195e2b1df46833711568388a0e128ce40fd4c7f9879848ec3

SHA512
26a53cbb885a6fc511d540a99c0665d8a5214c866c48c6690cd56bf5175e396d8ce8afd7edc367c44419dc6fc6170bc1242c836d16c7544beefadc475df1238c

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