b6aaa226645a51dd50f54ec8da9835c6764f1d7119ffb1b2c3cb78cba8912745

Analysis

max time kernel
159s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 13:38

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General

Target

c0b98acbf9df90a91194da6155d98091.pdf
Size

93KB
MD5

c0b98acbf9df90a91194da6155d98091
SHA1

8bc1d616ab6719b7efceb95812ada1c4d4122e9e
SHA256

b6aaa226645a51dd50f54ec8da9835c6764f1d7119ffb1b2c3cb78cba8912745
SHA512

af51574f1b64eb99e4f653b3795f95ce0e43899b175bc9c5f785c2c5166e6ce09ea78ae8c89f675efa6fb32a38caee0a51b251d20c3eb0efef40a1051a3a30fc
SSDEEP

384:B3GM+EWy6fHQ0HTNFH/ZmF+ndAUH3YHQ1Xrg/qwLHjWYyvdnX2HHH1OHrRv5uWvk:DH

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
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 1656	4484	AcroRd32.exe	109
PID 4484 wrote to memory of 1656	4484	AcroRd32.exe	109
PID 4484 wrote to memory of 1656	4484	AcroRd32.exe	109
PID 4484 wrote to memory of 1580	4484	AcroRd32.exe	110
PID 4484 wrote to memory of 1580	4484	AcroRd32.exe	110
PID 4484 wrote to memory of 1580	4484	AcroRd32.exe	110
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 2332	1656	RdrCEF.exe	111
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112
PID 1656 wrote to memory of 3268	1656	RdrCEF.exe	112

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\c0b98acbf9df90a91194da6155d98091.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:4484
- 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:1656
- - 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=446F3DB7B86F214E4008E847B77270A7 --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=446F3DB7B86F214E4008E847B77270A7 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2332
- - 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=C40CD7EAA2D3B779F0B1F8E86990714D --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=BEEFED63ED03D89D83CB094910951C26 --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=BEEFED63ED03D89D83CB094910951C26 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3156
- - 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=F7674D5985E423754BAB79C0ADC13549 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=9FF98DF6AB2B2EC5749E9B276DE5188F --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:928
- - 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=BC28064F462BAD03A878982CA1A31D5F --mojo-platform-channel-handle=2136 --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" --backgroundcolor=16514043
  2⤵
  PID:1580

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=4240 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:4356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1168

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
c0156c175ed8e92d1b414cc8cfb49a8f

SHA1
a8f951f154087c4ab4bbfae6755e335d49e9ec95

SHA256
ff2f94bc7386699eb48bd9aab6410c1b3bb7757bb9b8712f90537315e49259f3

SHA512
a17659a55b477667894a7d9aead3e500c86213c1b4a33dc143535a5863c818fc63b01174e6c23235f3c28554dc2fd2f0b73aedf016716fd838aee646f74aa8c4

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
memory/4484-139-0x000000000AD50000-0x000000000AD7A000-memory.dmp

Filesize
168KB

Download