0aa96eac0c699a04e8bdf18acb38c013072a8146eae129574ecd4cd521c6c4b7

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 17:36

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General

Target

b946eae1911f8c3434efac6f60393f94.pdf
Size

116KB
MD5

b946eae1911f8c3434efac6f60393f94
SHA1

ea1f0aa79e1a8fd6bf4326092bdfb815309d0f61
SHA256

0aa96eac0c699a04e8bdf18acb38c013072a8146eae129574ecd4cd521c6c4b7
SHA512

25bcf6d750d91fd3c1efad588a1d40665e25d16d443b617e4555428673d85cb6ccf2291842cb0c126966be8a5f16408c4097e4706111a5c01ef9c67609435e06
SSDEEP

3072:R68OLaem+u/RT0IjCNskyxHcD4fxz7Y8tV/YFg:NO/u+OprYIdJ

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 1592	3404	AcroRd32.exe	92
PID 3404 wrote to memory of 1592	3404	AcroRd32.exe	92
PID 3404 wrote to memory of 1592	3404	AcroRd32.exe	92
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 2688	1592	RdrCEF.exe	95
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	RdrCEF.exe	96
PID 1592 wrote to memory of 3468	1592	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\b946eae1911f8c3434efac6f60393f94.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:3404
- 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:1592
- - 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=7EFA1EC8653944D8B5F1BA8E10E570DC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2688
- - 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=D45EA759FB4AEDC8E17C12BE4D97E593 --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=D45EA759FB4AEDC8E17C12BE4D97E593 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=19AC85C9754F0991C49049B609AD1F41 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760
- - 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=623A8EF38C7E1F1C1DDE20C13FFCC476 --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=623A8EF38C7E1F1C1DDE20C13FFCC476 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:456
- - 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=8ACEBB02438DB38D4319FE38F4D9D7E3 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148
- - 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=C7CE8FCACBE291275DF8D9BA35508B64 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4824

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
69773f0c68a2923ccbbfa73f869add8d

SHA1
110fd014ceccf3916e5f771ee2ba38c98522a2ec

SHA256
f71791dc64b96674009d2d707f838558d7ab228f2bc7f87e7efc7895c4afc561

SHA512
df38ebf5fe6cd5cf3171eaeab23bdc7b1551304e277f98093e7b7d7c92761d4621c57eaf80cee4c33dd59f893d8878c5ad061e59d9afd7b9b948ab4e6b5ec10c

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