04bc5b544172097406ac877a6a40be6a55d84ac47ca148d2a43852b235322516

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 00:31

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General

Target

bd34090cd88692382ac3fab82f4c21ce.pdf
Size

95KB
MD5

bd34090cd88692382ac3fab82f4c21ce
SHA1

8fce9e4dc7d1a45f0f51e51c94569af299770fbe
SHA256

04bc5b544172097406ac877a6a40be6a55d84ac47ca148d2a43852b235322516
SHA512

1ae264f8a2338dd5db2aeb195d477cfe794041847687902e065f29c4f870d796af525c78e67ad69c7778d42fbd1e69baa218b6e5ca06a6d1e6018a9297e5ec67
SSDEEP

1536:7EWTG3E9VyeMttBacdrapZbaEFr8rP+uTvnlu17dh+EYZWmC9jk9oRhW6pOu2P63:4PW4mbPFr4Wujlu9dhv6CugCu2PU+PAd

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 5544	2568	AcroRd32.exe	101
PID 2568 wrote to memory of 5544	2568	AcroRd32.exe	101
PID 2568 wrote to memory of 5544	2568	AcroRd32.exe	101
PID 2568 wrote to memory of 412	2568	AcroRd32.exe	104
PID 2568 wrote to memory of 412	2568	AcroRd32.exe	104
PID 2568 wrote to memory of 412	2568	AcroRd32.exe	104
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 4352	5544	RdrCEF.exe	105
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106
PID 5544 wrote to memory of 3084	5544	RdrCEF.exe	106

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\bd34090cd88692382ac3fab82f4c21ce.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:2568
- 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:5544
- - 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=5C412C15262E38891BB86371C3E1F4A4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352
- - 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=BCBB019AA98CBACDE1B967D38DAEF4C8 --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=BCBB019AA98CBACDE1B967D38DAEF4C8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3084
- - 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=0E6BA0CFA4DAD04D1E5C990E0A3DC286 --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=0E6BA0CFA4DAD04D1E5C990E0A3DC286 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=20D927FF7F5B20A87E97E46F61C3DCAD --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=CFBE9B13003809C5879BCC3BC771245A --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=E1D38104A55276C4AFABEFE41D514BF7 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- 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⤵
  PID:412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1480

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:4296

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
f9670f7ee8285525eae2d3f0cb79fecc

SHA1
794f6c7898618dc719bec05e861767e12a19f6a0

SHA256
7475fe8a3d17bddd26cc43e505fad923c49b92bede5eecebd9484ae0037c7ddc

SHA512
93696fe5325f863c92a942351ddf5754bb702bc12214423f83b501034f19f583698d6f099dafe844569b55ea01cc127ba9f41c79a58bbbb7d3cf41b2bd1c800c

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