1efd8d3bf20b6a9df7a25db6b2dde827f91390bcd10c4b40c80b2e42bf7a6ebe

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:49

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General

Target

0ce13526419d47dda5031d6db4b8a070.pdf
Size

82KB
MD5

0ce13526419d47dda5031d6db4b8a070
SHA1

69f615250bf8a30f748d47e37fc888e8a6421afe
SHA256

1efd8d3bf20b6a9df7a25db6b2dde827f91390bcd10c4b40c80b2e42bf7a6ebe
SHA512

ded978feb26648e784673af508d67489908a68bc7f9da3449204d1143fca999f4973fb170092974c8058b596b6576858acbdf47b8703981da11c4b3d7d27d314
SSDEEP

1536:TJd/0g8jYL4a8U/nPT9hzjqYUnTkeEW8pO73WOwuowu9UCA:lN8knL9hHCkeX7rwHG

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4924	2900	AcroRd32.exe	94
PID 2900 wrote to memory of 4924	2900	AcroRd32.exe	94
PID 2900 wrote to memory of 4924	2900	AcroRd32.exe	94
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 3172	4924	RdrCEF.exe	95
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	RdrCEF.exe	96
PID 4924 wrote to memory of 1780	4924	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\0ce13526419d47dda5031d6db4b8a070.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:2900
- 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:4924
- - 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=252B259B0BEA45D08D98D6A180087A24 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172
- - 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=7C3C037D48DD73A35C568CBAC7418EEA --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=7C3C037D48DD73A35C568CBAC7418EEA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1780
- - 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=3864AB35AB7DE1940EB79140E235907D --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532
- - 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=3073227D5765C04894DEB6DB8FFC0B7B --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2020
- - 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=6D7F1EDE3EF7EA82A1D23C6FA793D174 --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=6D7F1EDE3EF7EA82A1D23C6FA793D174 --renderer-client-id=6 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4776
- - 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=E48A974911C0102415C3C9B71655FFB8 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1280

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6cf1790b315efe85705ef3e144b81953

SHA1
7c54a11d9efadfaafe45cceded16c903914ee457

SHA256
4e1998386b7fbc2dd00894e9fe46c739b9b8ab64dee02675d75304c2f833a21c

SHA512
aff3b4ee76ffdbb1b11786cb9fcb4d83c8d04068f68bda87094b4c0ae1d0ea39f1e2dfb910355008d3a3d98d421505ebaace01a173cdc6b954fd5a387e883d4f

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