4f3561ec5dc829898a2213b27366f41d7b975356b96d32b44a763115981b9c62

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 13:42

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General

Target

c382f37b49eec7c8c249f0de0c934895.pdf
Size

73KB
MD5

c382f37b49eec7c8c249f0de0c934895
SHA1

b6170b5c2a1c8c05680aa586c273897d22801ffe
SHA256

4f3561ec5dc829898a2213b27366f41d7b975356b96d32b44a763115981b9c62
SHA512

1a5f8107ff40af51e808dcee98bcd7a5fde8c5e513cc14bc6ae0caa4d2564430676d46cea927bb86c0dc44983109507b92c3ec8bfdd6cdf132ab16e6eb0f4e97
SSDEEP

1536:LgtoovkJ+AyXoKD9Hv1rZel2t0GFKwrAKER+Pbx/oy:4Bvuwh1leMeGUwrERSxd

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 22 IoCs

pid	Process
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe
3756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4184	3756	AcroRd32.exe	98
PID 3756 wrote to memory of 4184	3756	AcroRd32.exe	98
PID 3756 wrote to memory of 4184	3756	AcroRd32.exe	98
PID 3756 wrote to memory of 3448	3756	AcroRd32.exe	99
PID 3756 wrote to memory of 3448	3756	AcroRd32.exe	99
PID 3756 wrote to memory of 3448	3756	AcroRd32.exe	99
PID 3756 wrote to memory of 4340	3756	AcroRd32.exe	103
PID 3756 wrote to memory of 4340	3756	AcroRd32.exe	103
PID 3756 wrote to memory of 4340	3756	AcroRd32.exe	103
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 488	4340	RdrCEF.exe	105
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	RdrCEF.exe	106
PID 4340 wrote to memory of 2256	4340	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\c382f37b49eec7c8c249f0de0c934895.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:3756
- 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:4184
- 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:3448
- 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:4340
- - 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=AAC02E5BD05CB6A9B53DD71D6D3FA9E0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:488
- - 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=35643870A588850674D7232EE40852BA --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=35643870A588850674D7232EE40852BA --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2256
- - 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=D71B21ACB0F6AEFE00071778E06B6EC8 --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=D71B21ACB0F6AEFE00071778E06B6EC8 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1844
- - 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=D2A39FAE47E95C19BD56A05BC4B56843 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5376
- - 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=6733D84087DE0CCFA69174FF644D90AE --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5468
- - 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=FC39C68BF9D6CD6C2CB081AAD4812EEF --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5252

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=1416 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:6036

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
4c58822f454491f6216b9654b0862886

SHA1
ab5846bee0264e49b09cbefe16a882b0303006bd

SHA256
8922ca4a5cca41973f09b152b07735fd1ce82bbc6e19688eaad39a53d8711aa2

SHA512
f43a10edc9cb9bf6d989c63d1b4a5b87aa66bd81404592450d306fc4e8d06e57f0ee3833befac1fd527959c190d3234018114185228ec33e7b3252f9a0355392

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