9f61f7866b692c73e27b26d5f1193538b20d1663f8d939273a94da972438f4ba

Analysis

max time kernel
142s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 01:07

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General

Target

9f61f7866b692c73e27b26d5f1193538b20d1663f8d939273a94da972438f4ba.pdf
Size

761KB
MD5

b93c2324b39a8c98d388f3f229b4b8b0
SHA1

9d05823ca99cc0e7074c9b1591ff82ebfa520072
SHA256

9f61f7866b692c73e27b26d5f1193538b20d1663f8d939273a94da972438f4ba
SHA512

b739449cbddf66da4e8ad400a51a4b916a237989d1edb2bea62e6cc19419752e03ce479ad19f9c1fe337094cf04c48439b4342e17faf709626247d954bec6fad
SSDEEP

12288:66mri20bOmgKjTIuC2G0ytNZ0uTANLQnQYy8LLaPRjAwwtTAlxjblRvGGjgZV:YiRSxKjTCJtNZ0uvQGLLaZjAwwtTAbja

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-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 404	4872	AcroRd32.exe	96
PID 4872 wrote to memory of 404	4872	AcroRd32.exe	96
PID 4872 wrote to memory of 404	4872	AcroRd32.exe	96
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 4748	404	RdrCEF.exe	97
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98
PID 404 wrote to memory of 5004	404	RdrCEF.exe	98

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\9f61f7866b692c73e27b26d5f1193538b20d1663f8d939273a94da972438f4ba.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:4872
- 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:404
- - 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=6F3242434A9B2AFA5B39D6581641A603 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=81DD766929BAC9240579F134CB8D80C5 --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=81DD766929BAC9240579F134CB8D80C5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5004
- - 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=9E909017EFD6E4FE1D2CBCBD2AFF2F32 --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=9E909017EFD6E4FE1D2CBCBD2AFF2F32 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3916
- - 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=ACF0CA06DF0C9AB17F857245FFCFCF8A --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=2AE4C609339F12C2D6FA632D91771EB9 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1268
- - 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=E84A515E64E1509B25C5910A1F951099 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2676

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 --field-trial-handle=4108,i,18365831710660765070,18037862594269997910,262144 --variations-seed-version --mojo-platform-channel-handle=4368 /prefetch:8
1⤵
PID:3968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2064

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
883bad79b65cebb4ab7c1ede36a9d730

SHA1
922b1a280d9d4fcd04aa3cd6e0f28c0a1d2ac4a1

SHA256
0ea614ad7ddddce16cc451caa3dd4123ec6c71b4fe4a2a11470cbd50e3878e67

SHA512
47ab87baec20553d6735620c2ce58501a59e9d252c079958db87197a285785ea9c717a51956258e6afa6683ab7a6b74462d17c7f8564918ef36ebfd28e75999e

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/4872-132-0x000000000BDD0000-0x000000000C07B000-memory.dmp

Filesize
2.7MB

Download